La Nina may form in the equatorial Pacific Ocean later this year and, if so, it could have wide-ranging ramifications

By Paul Dorian

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NOAA’s CFS v2 computer forecast model is predicting relatively strong La Nina conditions by later this summer (August/September/October); SST anomalies plot courtesy NOAA

*La Nina may form in the equatorial Pacific Ocean later this year and, if so, it could have wide-ranging ramifications*

Overview

It appears somewhat likely that the current weak El Nino in the equatorial part of the central Pacific Ocean will transition into La Nina conditions later this summer.  La Nina is a naturally occurring oceanic cycle that produces colder-than-normal sea surface temperatures (SSTs) in the tropical Pacific Ocean whereas El Nino is associated with warmer-than-normal water. If indeed La Nina forms later this year, it could have ramifications on the upcoming Atlantic Basin tropical season, prospects for drought in California, and potentially on global temperatures in the lower atmosphere.

clip_image004

The plot shows forecasts made by dynamical and statistical models for sea surface temperatures (SST) anomalies in the “Nino 3.4” region for nine overlapping 3-month periods. Note that the expected skills of the models, based on historical performance, are not equal to one another. The skills also generally decrease as the lead time increases. Thirdly, forecasts made at some times of the year generally have higher skill than forecasts made at other times of the year–namely, they are better when made between June and December than when they are made between February and May. Differences among the forecasts of the models reflect both differences in model design, and actual uncertainty in the forecast of the possible future SST scenario.

Computer model forecasts generally support the formation of La Nina

Several independently-made computer forecast models support the idea of a change in the central part of the tropical Pacific Ocean from the current weak El Nino to La Nina conditions by the summer of 2020.  The plume of El Nino Southern Oscillation (ENSO) model forecasts from mid-February indicate a transition to La Nina conditions are likely to take hold by later this summer.  Indeed, some models (e.g., NOAA’s CFS v2) are predicting a fairly strong La Nina by the end of the summer season with sea surface temperatures as much as 1.5°C below-normal in the “Nino 3.4” region (i.e., central tropical Pacific Ocean).

clip_image005

Warm (red) and cold (blue) periods based on a threshold of +/- 0.5°C for the Oceanic Niño Index (ONI) [3 month running mean of ERSST.v5 SST anomalies in the “Niño 3.4” region (50°N-50°S, 120°-170°W)], based on centered 30-year base periods updated every 5 years.

Possible impact on the 2020 Atlantic Basin tropical season

One of the surprising side benefits of an El Nino event in the tropical Pacific Ocean is that this type of sea surface temperature pattern (i.e., warmer-than-normal) tends to result in less tropical activity in the Atlantic Basin when compared to normal.  This tendency for reduced tropical activity in the Atlantic Basin is a result of higher-than-normal vertical wind shear in the breeding grounds region of the Atlantic Ocean during El Nino events. Higher-than-normal vertical wind shear tends to inhibit the formation or intensification of tropical systems.

On the contrary, La Nina is often associated with a more active Atlantic Basin tropical season as overall vertical wind shear is usually on the low side in the breeding grounds region. The last time there was a relatively strong La Nina event during the tropical season in the Atlantic Basin was in the year 2010. This particular year saw La Nina-induced sea surface temperature anomalies as low as -1.7°C in the central part of the equatorial Pacific and there was anomalously low vertical wind shear in the tropical Atlantic. As it turned out, the 2010 Atlantic tropical season was the first in a group of three very active seasons. It is tied alongside 1887, 1995, 2011, and 2012 for the third-most active Atlantic tropical season on record, with 19 tropical storms, only behind the 1933 and the 2005 seasons.

clip_image007

University of Alabama-Huntsville (UAH) satellite-based temperature data of the global lower atmosphere from 1979 to the present. Several El Nino episodes in the past couple of decades were associated with spikes in global temperatures and La Nina usually resulted in a drop in temperatures. Data courtesy UAH, Dr. Roy Spencer

Potential impact on global temperatures

What goes on in the Pacific Ocean in terms of sea surface temperatures can indeed have an impact around the world with respect to global temperatures in the lower part of the atmosphere.  If indeed a La Nina does form later this year in the tropical Pacific Ocean and it is relatively strong and long-lasting, it can result in a drop of global temperatures after it becomes well-established. In recent years, the number of El Nino episodes have surpassed the number of La Nina events and global temperatures have often reacted with noticeable spikes (see UAH data temperature plot).  For example, the strong El Nino events that centered on the years of 1997/1998, 2009/2010 and 2015/2016 were associated with sharp upticks in lower atmosphere global temperatures. In times of La Nina such as during 2007/2008 and 2010/2011, there have been noticeable downturns in global temperatures of the lower atmosphere.

clip_image009

Drought conditions have worsened across California during the past few week; map courtesy NOAA

California drought

After a long period with severe drought conditions dominating the scene in California, the winter season of 2018-2019 brought significant rainfall to the state and incredible amounts of snow piled up in the Sierra Nevada Mountains. In fact, the drought was officially declared over by the time spring season began last year. In subsequent months, there have been spurts of dry weather across California, but drought conditions did not really become persistent until a few weeks ago. Contrary to the winter of 2018-2019, this winter season has been rather dry across California and the amount of snow that has fallen in the Sierra Mountain range of eastern California has been below-normal. This reduction of snowfall in the higher elevation locations could very well lead to some problems later this summer as a melting snow pack is an important contributor of water for the state.

In terms of what kind of an impact La Nina conditions in the tropical Pacific Ocean could have on California’s weather, the results are rather mixed. La Nina tends to create a looping jet stream centered around high pressure in the Pacific Ocean. If the high pressure system anchors around the international dateline, La Nina tends to bring wetter weather to North America. However, if it centers itself in the eastern Pacific Ocean, it tends to bring drier weather. Finally, if the high pressure system meanders around, the results are often periods of wet and dry weather.

Stay tuned…we’ll continue to monitor the prospects for La Nina as we close in on the tropical season in the Atlantic Basin and certainly nothing is set in stone when it comes to long-range model forecasting of sea surface temperatures.

Meteorologist Paul Dorian
Perspecta, Inc.
perspectaweather.com

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Curious George
February 28, 2020 10:15 am

What – if anything – makes this model more reliable than climate models?

Gator
Reply to  Curious George
February 28, 2020 11:14 am

It wasn’t built to support a leftist agenda.

Don K
Reply to  Curious George
February 28, 2020 3:52 pm

“What – if anything – makes this model more reliable than climate models?”

Not a lot, but it **IS** a different kind of modeling. Climate models try to predict the future by stepping forward from the past in small (but time consuming) steps. Typically that works for a while, but is subject to cumulative errors that get worse and worse the further one projects into the future.

This is more of a “when we’ve seen X pattern in the past, Y happened. X is happening again so maybe Y will happen” sort of thing. Probably worth keeping an eye on. It’s not like there are alternatives that are clearly better.

Jeremiah Puckett
Reply to  Don K
February 28, 2020 5:23 pm

Yes! Few people understand that. When a forecaster says “30% chance of rain,” they aren’t declaring a confidence level, but a historical statistic. They are really saying “When we have seen similar conditions in the past, it rained 30% of those times.”

David A
Reply to  Jeremiah Puckett
March 1, 2020 5:32 pm

My understanding of a 30 percent rain prediction us that meteorologists are predicting that 30 percent of the area will see some rain. ?

MarkW
Reply to  Don K
February 29, 2020 7:11 am

Don, that’s what weather models do.
Climate models take a set of conditions and try to predict what the climate would look like under those conditions.

Weather models fail primarily because initial conditions of the atmosphere are not know with enough accuracy.
Climate models fail primarily because we don’t understand all of the interactions between all the things that impact climate well enough.

Merrick
Reply to  Curious George
February 29, 2020 3:59 am

That it is testable and falsifiable. Wait for the next El Nino amd see what happens – wait for the next La Nina and see what happens. We’ve had plenty of cycles with that. We have not had instrumental observations of temperature with ups amd downs of CO2 so those models don’t have similarly suitable data for testing.

MarkW
Reply to  Curious George
February 29, 2020 7:08 am

It’s simpler, it’s been properly validated, it produces predictions that actually come close to what actually happens.

Just because climate models have been misused is not evidence that all models are bad.

Emile
Reply to  Curious George
March 3, 2020 5:25 am

No singular ocean event is enough to make such conclusions. Considering that the Arctic Beaufort Gyre shift is overdue, the complete shutdown of the Atlantic conveyor will have a much more intense effect on weather. A grand solar minimum and its effect on climate forcing are rarely discussed. A weakening magnetosphere and interactions with solar electrical activity could force more volcanic activity in the ring of fire. Those magma vents are already producing 2000 degree rising thermal currents that are warming the Gulf of Alaska. You add all this together and Northern Europe may become uninhabitable, and food shortages could create some very serious problems for humans.

February 28, 2020 10:31 am

Mr. Dorian:
What could expect a country like Chile because of La Nina?

Robert W Turner
Reply to  Douglas Pollock
February 28, 2020 10:43 am

Good fishing.

Zig Zag Wanderer
Reply to  Douglas Pollock
February 28, 2020 1:09 pm

What could expect a country like Chile because of La Nina?

Given that it will be winter, Chile could be a little chilly 🙂

fonzie
Reply to  Douglas Pollock
February 28, 2020 4:40 pm

(anchovy pizza)…

Fran
Reply to  Douglas Pollock
March 2, 2020 4:49 am

as a Chilean, the wisdom is that El Niño=wet, La Niña=dry, but as you probably know last year was incredibly dry without a Niña, and if I recall correctly in 2017 we didn’t get a Niño and it was wet…so nobody knows I guess. If 2020 is as dry as last year we’re [snip – let’s say “screwed” instead -mod] 🙁

fonzie
Reply to  Fran
March 2, 2020 4:41 pm

(or how about done?)

tonyon
February 28, 2020 10:45 am

…interstellar travel constant acceleration (without religious burning forests)… “those” religious-demented are burning the forests “infidels” in the entire World (in countries of “those” religious there is not fires), cheap religious-terrorism multi-focus obviously using tech-artefacts drones, balloons; and the religious-miserable occult-power Rome-saint (terror against reason, how thet did to Galileo Galilei, recent threat: “the III World War has already begun”) protects to “those” other credos and silences to politicians and Global Media (TV-news never says that are the incendiary-religious) for that the innocent people that still says “oh my god”, do not know it a fact already evident: IS TRUTH THAT RELIGION IS LIE

Reply to  tonyon
February 28, 2020 10:59 am

You should learn what a period(.) is Tonyon.
And might I suggest you then take some grammar lessons.

Zig Zag Wanderer
Reply to  Joel O'Bryan
February 28, 2020 1:12 pm

… and maybe some meds?

birdynumnum
Reply to  tonyon
February 28, 2020 11:11 am

Can I get hash browns and bacon with those scrambled eggs

MarkW
Reply to  tonyon
February 28, 2020 11:56 am

I don’t know exactly what drugs tonyon has been taking, but he needs to cut back.
Way, way back.

Bryan A
Reply to  MarkW
February 28, 2020 12:18 pm

or share so the rest of us can make heads and tails of the statements made

Tom Abbott
Reply to  MarkW
February 28, 2020 1:31 pm

Maybe he is an example of a “climate change Bot”.

I’ve never seen a climate change Bot, but his post is what I would expect from one: disjointed and making no sense. I mean, how intelligently can a machine post about “climate change”?

I think a regular troll would be able to put words together a little better than this one.

Maybe Tonyon is really a human and is just having a very bad day.

Clarky of Oz
Reply to  Tom Abbott
February 28, 2020 11:42 pm

Obviously one of John Cook’s 97%

Will Nelson
Reply to  MarkW
February 28, 2020 1:45 pm

Tonyon makes more sense if read with a Yoda accent.

Latitude
Reply to  Will Nelson
February 28, 2020 4:00 pm

…and played backwards

Latitude
Reply to  Will Nelson
February 28, 2020 4:01 pm

all of my posts disappear

Markw
Reply to  Latitude
February 29, 2020 7:16 am

Only for an hour

Komrade Kuma
Reply to  MarkW
February 28, 2020 2:58 pm

Dunno Mark, looks like pretty good shit to me. 🙂

And btw, tonyon makes more sense than CAGWarmista rantings from the likes of Greta, Lewandowski and Cook etc not to mention Naomi O, Al G and the rest of the woke weather red brigades.

Alan
Reply to  tonyon
February 28, 2020 12:10 pm

My thoughts exactly.

David A
Reply to  Alan
March 1, 2020 5:36 pm

After tonyons post I have exactly Zero thoughts, all my logical circuits have fused!

SeanC
Reply to  tonyon
February 28, 2020 2:17 pm

You said it all tonyon. Absolute genius! Trees burning religious constants; truth drones silent credos and OMG (gosh) III World War saints…fires occult the lies of cheap news. Galileo’s miserable balloons innocent terror reason the multi-focus facts. Demented tech-artefatgirls scream for naked infidels, interstellar “those”. Obviously! Never mind there is not fires. It’s not important entire media and yes, against reason The sarcasm of the chasm ideology of commenters unworthy. Mind them not religiously but vigorously, indeed. Weeds burn brains true and bright in truth and intelligence. Peace!

Reply to  SeanC
February 28, 2020 4:30 pm

Greta? Is that you??

Reply to  tonyon
February 29, 2020 4:38 am

Hmmm. Interesting that my posts are subject to moderation? > ; }

David A
Reply to  Mark Whitney
March 1, 2020 5:41 pm

Tinyons post go right through. Hit the donation button.

Robert W Turner
February 28, 2020 10:48 am

A few predictions: drought in Western North American will become the “new norm” – replacing five years of wetter than normal conditions as the “new norm”, polar vortex will return as a climate buzzword next winter, and a new round of temperature adjustments will be needed to show that the past – especially the 2015 El Nino – was not as warm as we thought and the warming future is even worse than we thought.

Robert W Turner
February 28, 2020 10:51 am

I find NOAAs current drought map spurious because our drilling is currently being delayed due to mud in an area they call “abnormally dry”.

Steven Fraser
Reply to  Robert W Turner
February 28, 2020 12:16 pm

The map is a week behind in the Palmer drought index info.

Derg
Reply to  Robert W Turner
February 28, 2020 12:19 pm

I am curious about the graph of temperatures. In western WI I am struggling to notice the upward slant of that graph. The last 2 winters were cold and last summer was lousy except for July.

Please send that warming this way.

Please

February 28, 2020 10:56 am

Well the Socialist-hustlers out in California are already blaming the current Cal’s Sierra Nevada dry February on their favorite boogeyman. And we know what the name of that boogeyman is.

The previous wet winters though were weather.
Someone needs to explain what a “mean” is and what “reversion to mean” looks like… i.e. basic statistics.

Zig Zag Wanderer
Reply to  Joel O'Bryan
February 28, 2020 1:14 pm

I mean, now you’re just being mean…

February 28, 2020 11:03 am

The Pacific Decadal Oscillation (PDO) also affects El Nino/La Nina. A positive PDO is when warm water is around Alaska, British Columbia, and Washington surrounds a cool blob. A negative PDO is the reverse, cool water surrounding a warm blob. A positive PDO amplifies El Nino but mutes La Nina; a negative PDO amplifies La Nina but mutes El Nino.

The PDO is currently moderately negative. Any La Nina effects will be amplified.
https://www.ncdc.noaa.gov/teleconnections/pdo/

There are so many ocean patterns and cycles that affect climate. ENSO, MJO, PDO, AMO, NAO, AO, EPO, IOD — all acronyms you should look up. There are some ocean cycles I left off too. Despite this, we are told that something which is 0.041% of the atmosphere is the driver of climate, not the oceans. Uh-huh.

Tom Abbott
Reply to  Wade
February 28, 2020 7:12 pm

“The Pacific Decadal Oscillation (PDO) also affects El Nino/La Nina. A positive PDO is when warm water is around Alaska, British Columbia, and Washington surrounds a cool blob. A negative PDO is the reverse, cool water surrounding a warm blob. A positive PDO amplifies El Nino but mutes La Nina; a negative PDO amplifies La Nina but mutes El Nino.”

What forms a “warm blob” and what forms a “cool blob”?

Phoenix44
Reply to  Wade
February 29, 2020 12:24 am

But everything affects everything. That’s the trouble with weather and climate. Where do you start with the effects?

A La Nina might cause x, but the La Nina itself has a cause.

February 28, 2020 11:15 am

That graph looks fishy (irony).

What … no Ninas or Ninos prior to 1989?

That alone is enough to toss the entire analysis, and to discard the default of temp rising, which is casually embedded in the background.

Propaganda.

MarkW
Reply to  windlord-sun
February 28, 2020 12:15 pm

Not sure the scientific community even knew about ENSOs prior to 1989 and there wasn’t a way to measure them accurately.

yarpos
Reply to  MarkW
February 28, 2020 1:33 pm

True, in reality we have only relatively recently started throwing around these acronyms and being really clever about knowing whats going on in the oceans. Fairly new news in the scheme of things.

Ed Zuiderwijk
Reply to  MarkW
February 28, 2020 1:45 pm

Oh yes they did. The El Nino phenomenon was first described by Spanish jesuit missionaries in the early 1500s who reported the devastation it brought to Peruvian fishing communities. They also noticed a quasi periodicity with a timescale of a few, up to 7, years; there may have been some biblical thinking leaked into the reporting. In the early 1900s the cycle was rumoured to be fading; at least when I read about it in the 1960s it was said that scientists better be quick in studying it because the phenomenon was on the wane. How wrong that assertion was was demonstrated by the 1982-83 El Nino which really came back with a vengeance (and I found myself at the receiving end of it).

Reply to  Ed Zuiderwijk
February 28, 2020 2:32 pm

Ed, Thanks for adding that info.

In 1982 I was in La Jolla, CA, watching El Nino smash into restaurant windows and cliff houses like the angry child it is.

That graph should have either posted proxy curve for endless N/N or not shown anything prior to 1889.

I’m claiming the maker of that graph did what he/she did in order to show a hockey stick of temperature masking as an N/N graph.

They just can’t resist the stick.

Reply to  Ed Zuiderwijk
February 28, 2020 2:41 pm

{repost, don’t know what happened …}

Ed, thanks for that info. I watched El Nino batter La Jolla, CA in 1982, smashing through restaurant windows and cliff houses.

The maker of that graph should have either 1) started the graph in 1989; or 2) added proxy curve for prior N/Ns.

But instead, this is a post of temperature … complete with hockey stick … masking as an N/N graph.

They just can’t resist The Stick.

MarkW
Reply to  Ed Zuiderwijk
February 29, 2020 7:21 am

Having a few locals know about it and documenting it’s impacts is not the same as having the scientific community acknowledge it’s existence and devoting efforts to study the wide spread impacts.

David A
Reply to  MarkW
March 1, 2020 5:38 pm

After tonyons post I have exactly Zero thoughts, all my logical circuits have fused!

David A
Reply to  MarkW
March 1, 2020 5:47 pm

Cutiously, that awareness is about when the melting world papers and “predictions” took off.

February 28, 2020 11:25 am

“In recent years, the number of El Nino episodes have surpassed the number of La Nina events and global temperatures have often reacted with noticeable spikes (see UAH data temperature plot). For example, the strong El Nino events that centered on the years of 1997/1998, 2009/2010 and 2015/2016 were associated with sharp upticks in lower atmosphere global temperatures. In times of La Nina such as during 2007/2008 and 2010/2011, there have been noticeable downturns in global temperatures of the lower atmosphere.”

Quite so, and I suggest that if the sun stays quiet for long enough then La Nina will dominate over El Nino and the Earth will cool.

Reply to  Stephen Wilde
February 28, 2020 11:59 am

The sun has been quiet enough (lower UV) for the past 10 months that a LaNina cooling period is certainly baked-in for the next 12 months due to system response lag. Maybe much longer if internal ocean cycles align to a negative phases as well.

Judith Curry’s post on her “semi-empirical approach to formulating 21st century climate change scenarios” was covered here at WUWT 2 weeks ago:
https://wattsupwiththat.com/2020/02/16/plausible-scenarios-for-climate-change-2020-2050/

Her 2nd conclusion was:
“All three modes of natural variability – solar, volcanoes, internal variability – are expected to trend cool over the next 3 decades”

And her concluding discussion in that post:
“Apart from the ‘wild card’ of volcanic eruptions, the big uncertainty is solar indirect effects. Based on the literature survey that I’ve conducted, solar UV effects on climate seem to be at least as large as TSI effects. A factor of 2-4 (X TSI) seems completely plausible to me, and serious arguments have been presented for even higher values. I also note here that almost all estimates of ECS/TCR from observations do not include any allowances for uncertainties associated with solar indirect effects. Scafetta (2013) included solar indirect effects in an estimate of ECS, and determined an ECS value of 1.35 ºC.

Neither the effects of AMO or solar indirect effects have been included in attribution analyses of warming since 1950.”

I suspect James Hansen understood this as far back as the mid-1980’s. He thus knew he had a 30-35 year window to run a climate scam of warming with rising CO2 attribution by correlation from his perch atop GISS. That window is now closing rapidly only due to a strong 2016 El Nino that gave the climate hustlers a few years breathing room to keep the scam going after the 16 year hiatus of temperatures of 1999-2015.

All their 30 years of massive investments in the climate hustle as a path to political power are about to go down the drain unless they can seize complete power in DC this year to enable the continuance of the gaslighting campaign via strong-arm suppression via the powers of the state.

Reply to  Joel O'Bryan
February 28, 2020 2:24 pm

They’ll just claim that their carbon taxes and brilliant emission reduction strategies are working.

If you search for Keeling Curve on Google, you will get …. errrm, I don’t know, but I’m sure they have that one in hand. Parasites are always ahead of the target, otherwise they wouldn’t be parasites.

Reply to  philincalifornia
February 28, 2020 5:42 pm

Corona Virus driven implosion of the Chinese economy and thus emissions decline would work to their advantage too.

Reply to  Joel O'Bryan
February 29, 2020 7:59 pm

Good post Joel.

Planting has been one month late across the Great Plains of North America in both 2018 and 2019. There was a warm summer and fall in 2018 and the grain crop was good. In 2019 the ground was so wet that 40% of the huge US corn crop never got planted. Summer was cold and winter came early and there was a massive crop failure across the Great Plains. That does not sound much like warming to me.

Joe and I wrote a paper about it here.

THE REAL CLIMATE CRISIS IS NOT GLOBAL WARMING, IT IS COOLING, AND IT MAY HAVE ALREADY STARTED
By Allan M.R. MacRae and Joseph D’Aleo, October 27, 2019
https://wattsupwiththat.com/2019/10/27/the-real-climate-crisis-is-not-global-warming-it-is-cooling-and-it-may-have-already-started/

BTW, ‘way back in 2002 I (we) predicted moderate global cooling to start by 2020-2030. Since 2013 or earlier, I’ve been predicting cooling to start closer to 2020, based on the end of very weak Solar Cycle 24. That is prediction 3.

My (our) two previous “outrageous-at-that-time” statements published in 2002 about global warming and green energy have already been proved correct.

1. “Climate science does not support the theory of catastrophic human-made global warming – the alleged warming crisis does not exist.”

2. “The ultimate agenda of pro-Kyoto advocates is to eliminate fossil fuels, but this would result in a catastrophic shortfall in global energy supply – the wasteful, inefficient energy solutions proposed by Kyoto advocates simply cannot replace fossil fuels.”

So if prediction 3 (moderate cooling starting in this decade) proves correct, the Swedes can pick up Al Gore’s Nobel Prize and deliver it to my place – just leave it in the blue dumpster next to the building. 🙂

Reply to  Stephen Wilde
February 28, 2020 12:19 pm

And if it does cool there will be a drop in the rate of increase of atmospheric CO2.

My prediction is that if the UAH anomaly falls to below 0.3 the rate of increase of CO2 will fall to below 2.0ppm/year

Annual change in CO2 from NOAA is here.
ftp://aftp.cmdl.noaa.gov/products/trends/co2/co2_gr_mlo.txt

Reply to  John in NZ
February 28, 2020 12:25 pm

Agreed.
CO2 release from the oceans should drop with a series of dominant La Nina events. Eventually, a quiet sun should reduce atmospheric CO2 by such means.
The fact is that ice cores fail to reflect the huge scale of ocean driven short term variations in atmospheric CO2.
I don’t know how so called scientists ever came to a different conclusion.

Samuel C Cogar
Reply to  Stephen Wilde
February 28, 2020 1:36 pm

Stephen Wilde – February 28, 2020 at 12:25 pm

John in NZ – February 28, 2020 at 12:19 pm
And if it does cool there will be a drop in the rate of increase of atmospheric CO2.

Agreed.

CO2 release from the oceans should drop with a series of dominant La Nina events.

OH MY GOSH, …… I’ve been claiming for the past 20 years that the temperature of the ocean surface water in the Southern Hemisphere is the “control knob” for atmospheric CO2 ppm …… (both the bi-yearly cycling and the average yearly increase) …… and I didn’t think anyone else believed the factual science.

La Ninas and large volcanic eruptions will also cause an atmospheric CO2 reduction, whereas an El Nino will cause an atmospheric CO2 increase, ….. if no large volcanic eruptions occur, that is, …. to wit:

1981 _ 5 _ 343.01 …. +1.54 __________ 9 … 336.92
1982 _ 5 _ 344.67 …. +1.66 El Niño __ 9 … 338.32 El Chichón
1983 _ 5 _ 345.96 …. +1.29 _________ 9 … 340.17
1984 _ 5 _ 347.55 …. +1.59 __________ 9 … 341.35
1985 _ 5 _ 348.92 …. +1.37 _________ 10 … 343.08
1986 _ 5 _ 350.53 …. +1.61 _________ 10 … 344.47
1987 _ 5 _ 352.14 …. +1.61 __________ 9 … 346.52
1988 _ 5 _ 354.18 …. +2.04 __________ 9 … 349.03
1989 _ 5 _ 355.89 …. +1.71 La Nina __ 9 … 350.02
1990 _ 5 _ 357.29 …. +1.40 __________ 9 … 351.28
1991 _ 5 _ 359.09 …. +1.80 __________ 9 … 352.30
1992 _ 5 _ 359.55 …. +0.46 El Niño __ 9 … 352.93 Pinatubo
1993 _ 5 _ 360.19 …. +0.64 __________ 9 … 354.10

fonzie
Reply to  Samuel C Cogar
February 28, 2020 5:05 pm

O.K., Cogar, just thought i’d share with you something quite amazing that i found. (that is, if ferdinand doesn’t find a way to sabotage me first)

We’ll start with the derivative plot, accurately scaled:

http://www.woodfortrees.org/graph/plot/esrl-co2/from:1958/mean:12/derivative/plot/hadsst3sh/from:1958/scale:0.253/offset:0.099/plot/esrl-co2/from:1958/mean:12/derivative/trend/plot/hadsst3sh/from:1958/scale:0.253/offset:0.099/trend

The we’ll compare the integrals of both (nothing new here):

http://www.woodfortrees.org/graph/plot/esrl-co2/from:1958/mean:12/derivative/integral/plot/hadsst3sh/from:1958/scale:0.253/offset:0.099/integral/plot/esrl-co2/from:1958/mean:12/derivative/trend/plot/hadsst3sh/from:1958/scale:0.253/offset:0.099/trend

Next we go back to the derivative plot, but this time we extend the temperature data back to 1850:

http://www.woodfortrees.org/graph/plot/esrl-co2/from:1958/mean:12/derivative/plot/hadsst3sh/from:1850/scale:0.253/offset:0.099/plot/esrl-co2/from:1958/mean:12/derivative/trend/plot/hadsst3sh/from:1958/scale:0.253/offset:0.099/trend

And, we’ll take the integral of the temp data (back to 1850):

http://www.woodfortrees.org/graph/plot/hadsst3sh/from:1850/scale:0.253/offset:0.099/integral

Looks familiar, don’t it? Cores tell us that CO2 ppm was 287ppm in 1850. Add to that the 125ppm that you see in my wft graph and we get 412ppm. Let’s see how that compares with reality:

https://www.sealevel.info/co2.html

Oh my gosh(!!!) Not bad for a back of the envelope calculation by an idiot in a leather jacket, huh? But wait, there’s more:

comment image

Look very closely at the above (middleton) graph. For the last 500 years the temperature relationship still holds true. Higher temps produce accelerated carbon dioxide growth, lower temps slower growth, even declining at times. About five hundred years past, the relationship breaks down and abruptly stops. (which tells me it’s probably deforestation that done it; ‘nother topic, ‘nother day)…

Samuel C Cogar
Reply to  Samuel C Cogar
February 29, 2020 7:50 am

fonzie – February 28, 2020 at 5:05 pm

Looks familiar, don’t it? Cores tell us that CO2 ppm was 287ppm in 1850. Add to that the 125ppm that you see in my wft graph and we get 412ppm. Let’s see how that compares with reality:

Thank you for sharing, Fonzie, I appreciate your info.

Proxy studies of fossilized plant stomata agree with your calculations, …. see excerpt below, to wit:

The Last 15,000 Years—Reconsidered

Studies of plant stomata show that the currently-held view of predominantly stable CO2 levels (260-280 ppm) before the Industrial Revolution (1750 AD, i.e. 200 years B.P.) may be an inaccurate view. CO2 levels appear to have regularly exceeded 280 ppm– the average of CO2 concentrations across the Holocene interglacial period (last 11,000 years) appears to have been approximately 305 ppm (see ref. 10-20).
Read more https://www.geocraft.com/WVFossils/stomata.html

fonzie
Reply to  Samuel C Cogar
February 29, 2020 2:03 pm

We don’t necessarily even need stomata. Here’s another graph a la middleton (gawd, i luv dat guy) of ice cores verses cumulative emissions:

comment image

According to ice cores, from 1750 to 1900 atmospheric concentrations rose 20ppm while emissions were just 5ppm. Over the last 120 years, given population growth, we could at least double, triple or even quadruple that number. Say, land usage or natural sources could easily account for half of the observed rise. More if there happens to be a temperature component (there is). This is one paradigm that could unravel the agw ball of yarn and i intend to unravel it…

Reply to  Samuel C Cogar
February 29, 2020 7:30 pm

Hi Fonz – fun stuff – thank you!

You will find this paper by Ed Berry of interest.

Best, Allan

https://wattsupwiththat.com/2020/02/05/nature-has-been-removing-excess-co2-4x-faster-than-ipcc-models/#comment-2910436

Dr Ed Berry has this important paper in preprint, with interesting discussions. I am still digesting it, but some of the smartest people I know think he’s correct.

From the Abstract:
“Human emissions through 2019 have added only 31 ppm to atmospheric CO2 while nature has added 100 ppm.”

PREPRINT: “THE PHYSICS MODEL CARBON CYCLE FOR HUMAN CO2”
by Edwin X Berry, Ph.D., Physics
https://edberry.com/blog/climate/climate-physics/human-co2-has-little-effect-on-the-carbon-cycle/

ABSTRACT
The scientific basis for the effect of human carbon dioxide on atmospheric carbon dioxide rests upon correctly calculating the human carbon cycle. This paper uses the United Nations Intergovernmental Panel on Climate Change (IPCC) carbon-cycle data and allows IPCC’s assumption that the CO2 level in 1750 was 280 ppm. It derives a framework to calculate carbon cycles. It makes minor corrections to IPCC’s time constants for the natural carbon cycle to make IPCC’s flows consistent with its levels. It shows IPCC’s human carbon cycle contains significant, obvious errors. It uses IPCC’s time constants for natural carbon to recalculate the human carbon cycle. The human and natural time constants must be the same because nature must treat human and natural carbon the same. The results show human emissions have added a negligible one percent to the carbon in the carbon cycle while nature has added 3 percent, likely due to natural warming since the Little Ice Age. Human emissions through 2019 have added only 31 ppm to atmospheric CO2 while nature has added 100 ppm. If human emissions were stopped in 2020, then by 2100 only 8 ppm of human CO2 would remain in the atmosphere.

Samuel C Cogar
Reply to  Samuel C Cogar
March 1, 2020 4:11 am

ALLAN MACRAE – February 29, 2020 at 7:30 pm

Hi Fonz –

Dr Ed Berry has this important paper in preprint, with interesting discussions. I am still digesting it, but some of the smartest people I know think he’s correct.

ABSTRACT

The scientific basis for the effect of human carbon dioxide on atmospheric carbon dioxide rests upon correctly calculating the human carbon cycle. This paper uses the United Nations Intergovernmental Panel on Climate Change (IPCC) carbon-cycle data and allows IPCC’s assumption that the CO2 level in 1750 was 280 ppm.

Allan, that doesn’t say much for you …. or …. “some of the smartest people you know ”.

“DUH”, ….. the IPCC doesn’t have a very good “track record” of being honest or of publishing factual science.

Anyway, there is no way in ell that anyone can correctly calculate the present day “human carbon cycle”, ….. let alone calculate it back to 1750.

And the reason that the IPCC assumed that the CO2 level in 1750 was 280 ppm is that it was a good “starting” CO2 ppm quantity to adjust upward to coincide with the factual 1958 Mauna Loa measurement of 315 ppm.

A 1750 “starting” ppm quantity of 250 …… or of 300, …… would have negated any and all anthropogenic claims ….. and CAGW ‘fearmongering’ would have died a quick death.

Cheers

Reply to  Samuel C Cogar
March 1, 2020 7:37 am

Sam Cougar – your comments are routinely some of the most ignorant on wattsup.

fonzie
Reply to  Samuel C Cogar
March 1, 2020 8:05 am

Hi, Allan, very nice to see you. Fun stuff indeed(!) Ed Berry seems to be getting an awful lot of traction in the climate blogosphere these days. (very refreshing to see that) If i add a new wrinkle to things, it’s by going ahead and assuming that ice cores reflect reality. The rise could still be anthropogenic, but not due to human emissions. There is still land usage/ deforestation which, if the temperature relationship is not being properly accounted for, could be the culprit. It’s high time, i suppose, that we stop letting the ferdinands of the world get away with murder. With the temp relationship going on for 500 years now, i’m going to call them what they are — D*NIERS(!)

Samuel C Cogar
Reply to  Samuel C Cogar
March 1, 2020 8:46 am

WOW, ……. “some of the most ignorant on wattsup.

Allan MacRae, …… at least I acted as a Professional by explaining what was ignorant and/or delusional with the content/context of your posted comments. I expect the same from others who claim to be a Professional.

Allan, it appears your preference is to …… “attack the messenger, ….. instead of the message” ….. and most everyone knows your reason for doing that.

Reply to  Samuel C Cogar
March 1, 2020 9:02 am

Hi again Fonz,

I think you are generally on the correct track with your post at
https://wattsupwiththat.com/2020/02/28/la-nina-may-form-in-the-equatorial-pacific-ocean-later-this-year-and-if-so-it-could-have-wide-ranging-ramifications/#comment-2927597

Specifically, I agree that there is a large natural component in the observed increase in atmospheric CO2 concentrations – and that the increase in atm. CO2 is primarily natural.

The “short-term” ~9-month lag of atm. CO2 after atm. temperature is primarily due to Henry’s Law and it is initiated primarily in the equatorial oceans. At this point, Ferdinand will jump in with the standard harridan’s complaint – “It’s not big enough.” The longer term lag of ~~700 years +/- ~~200 years as observed in the ice cores is probably due to deeper ocean circulation. That conclusion would be consistent with the work of Salby, Berry and Harde.

For the record, I’ve posted this and similar thoughts since 2009:

https://edberry.com/blog/climate/climate-physics/human-co2-has-little-effect-on-the-carbon-cycle/#comment-81937

I wrote my relevant paper in January 2008.
http://icecap.us/images/uploads/CO2vsTMacRae.pdf

That was 3+ years before Salby’s first presentation – I think to the Sydney Institute in August 2011.
https://www.youtube.com/watch?v=YrI03ts–9I&feature=youtu.be

Salby, Berry and Harde have developed the hypo that increasing atmospheric CO2 is not primarily humanmade, but is natural. That is a rational outcome of the observed lag of CO2 after temperature.

I have written that increasing CO2 is partly humanmade and partly natural but have not attempted to quantify the components as these fine gentlemen have done. I struggled with the data provided by Ernst Beck and still feel that he was badly treated by those who just KNEW that CO2 was the primary driver of temperature – pseudo-religious nonsense in my opinion (“imo”).

I have pondered this important scientific question since early 2008 and am still agnostic – I can’t seem to find the time to study it properly.

One reason is because I don’t need it to falsify the CAGW hypothesis – because climate sensitivity to increasing atmospheric CO2 is so low that there can be NO catastrophic global warming, regardless of increasing atmospheric CO2. The upper bound of climate sensitivity to CO2 is ~1C/(2xCO2), but the real number is probably near-zero or even non-existent, imo.

Regards, Allan

fonzie
Reply to  Samuel C Cogar
March 1, 2020 12:17 pm

Allan, two things. One major and one minor…
Although the natural verses anthropogenic argument is an intriguing one, we don’t really need it in terms of policy. Bottom line is that carbon dioxide growth is set by temperature, period(.) Regardless of the source, nominal changes to human emissions won’t change that bottom line. Therefore, all this grandiose talk of RCPs is just that (grand). We couldn’t affect atmospheric carbon dioxide growth if we tried. i think that it’s appalling that at this late date the science is still discussing RCPs as though they still have any merit. (just appalling)…
Secondly, the Beck data appears to be inconsistent with the relationship of temperature and CO2. My little plot of the temperature integral going back to 1850 matches the keeling curve (mlo + law dome) graph that i also have posted, at its very worst, within 10ppm. Together, i believe, ice cores and the temp calculation falsify Beck…

post script ~ i agree that Beck was a very cool guy. (whoa… 👍)

Samuel C Cogar
Reply to  Samuel C Cogar
March 2, 2020 4:29 am

So claimith did: ALLAN MACRAE – March 1, 2020 at 9:02 am

The “short-term” ~9-month lag of atm. CO2 after atm. Temperature is primarily due to Henry’s Law and it is initiated primarily in the equatorial oceans.

A 9 month lag, ….. HUH?

Here is a factually accurate graph of the measured Monthly Mean CO2 concentrations – Mauna Loa 1958 – 2019.

The above graph covers 61 years of continuous CO2 measurements, ….. wherein there are 6.7 segments of a duration of “~9-month” each, ……. but there is nothing in the plotted CO2 data that defines the aforesaid “~9-month CO2 lag time”. And there is nothing in the Official Mauna Loa Record that defines the aforesaid “~9-month CO2 lag time”.

But on the contrary, the included insert graph labeled “Seasonal variation” explicitly defines an average 6 month seasonal cycling of atmospheric CO2 ppm. An average 6 ppm seasonal increase during the SH summer and an average 6 ppm seasonal decrease during the SH winter.

There is also an average 2 ppm annual increase of atmospheric CO2 ppm due to the fact the ocean waters are “warming” from the “cold” of the LIA, therefore the total “seasonal” increase is a combined average 8 ppm, which is the reason the plotted data on the “Y” axis of the Keeling Curve Graph keeps increasing annually.

Allan MacRae, please cite a factually accurate graph that depicts your claimed ….. ~9-month lag of atm. CO2 after atm. Temperature, ……. with your “fuzzy” math calculations not included.

Regards, SamC, ….. AB Degrees in Biological and Physical Science, GSC 63′

fonzie
Reply to  Stephen Wilde
February 28, 2020 5:38 pm

comment stuck in moderation, too many links (hope it’s not lost for good)…

Peter K
Reply to  fonzie
February 29, 2020 1:20 pm

fonzie, Be careful with the data stored in WFT, it changes from time to time. I have observed the temperature data in WFT for around 15 years. Historic anomalies back to 1850 are continually altered down wards and the more recent anomalies adjusted up wards. I am not sure if this happens within WFT or the total update from NOAA.

WFT also displays a “Sunspot chart” that uses data from solar flux.

Bindidon
Reply to  fonzie
March 1, 2020 12:02 pm

Peter K

“Historic anomalies back to 1850 are continually altered down wards and the more recent anomalies adjusted up wards. I am not sure if this happens within WFT or the total update from NOAA. ”

I use WFT like you since longer time (12 years) and would like to tell you that to suppose WFT’s creator and engineer Paul Clark would do such things is completely wrong.

In the time you played with WFT, all time series were subject to many changes, especially those about temperature, snow cover etc, due to
– extreme increase of stations absent from previous evaluations;
– very different processing methods.
*
For example, I started a layman evaluation of GHCN daily in 2017; the amount of temperature measuring stations grew in between from ~ 35000 up to ~ 40000.

The transition from CRUTEM3 tom CRUTEM4 induced an increase of hundreds of stations especially in the Arctic regions, what of course not only ‘made the past cooler’, but also ‘made the present warmer’, as the Arctic regions show since 40 years twice as much warming as does the Globe.
*
And of course: processing methods like infilling through kriging (in heaviest use by mining activities, highway design, statistical medicine, etc – but which are considered bad and ‘illegal’ by climate skeptics), have deeply modified the time series.

Even gridding, i.e. preliminary averaging of measurements in grid cells before time series construction, is considered as ‘data wrangling’ ! What a nonsense.

Some even suspect time series based on departures from a mean to be the cause of a warming allegedly inexistent within the absolute data they were generated out. This is really weird.

Good grief.

Rgds
J.-P. D.

fonzie
Reply to  fonzie
March 1, 2020 12:30 pm

fwiw, i use hadsst3 (southern hemisphere) because it is the best fit to mlo. And, its historic anomalies have been adjusted upward from the raw data:
http://1.bp.blogspot.com/-HGT605CXR7w/VNoo9mjLeuI/AAAAAAAAAg8/QK_0C_L-hYc/s1600/ocean%2Braw%2Badj.png

Plus it works for my purposes (☺️)…

Reply to  Stephen Wilde
March 1, 2020 10:15 pm

“Sam Cougar – your comments are routinely some of the most ignorant on wattsup.”
You insult people with your demeaning, uninformed comments and when you get pushback you play the victim card. Poor you Sam. Mea maxima culpa.

Reply to  John in NZ
February 28, 2020 3:22 pm

in NZ thanks for the link with the annual CO2 increase.
Please compare the increase with the calculated difference (=increase ?) from that link:
ftp://aftp.cmdl.noaa.gov/products/trends/co2/co2_annmean_mlo.txt
this are the annual mean ppm.

Reply to  Krishna Gans
February 28, 2020 10:14 pm

@Krishna Gans. Yes. The differences between the annual averages don’t match the annual increments in the link I put up. There are a few ways of calculating the averages which I assume is the cause of the discrepancies. I am happy that the data is good enough to show a very good correlation between temp and change in atmospheric CO2.

More CO2 data here.

https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html.

Steve Z
February 28, 2020 11:41 am

According to the article, La Nina (cooler water in the equatorial eastern Pacific) leads to increased hurricane activity in the Atlantic Ocean, and possibly droughts in California (with increased wildfires). Of course, the lame stream media will be quick to blame an active hurricane season and California wildfires on “global warming”, not cooler-than-normal water in the tropical Pacific!

Welcome to our Orwellian world, where cold water causes “global warming”!

Abolition Man
Reply to  Steve Z
February 28, 2020 7:39 pm

Steve Z, the magical CO2 molecule causes the the glo-bull warming to hide in the oceans depths! It is the heresies of deniers and skeptics that bring this about; if they are purified with fire and ice they will recant their denial and the warmth will be revealed!
You gotta keep up with the fast moving dogma of St. Greta, the All-seeing and St. Albert the Stout. How dare you question or ridicule the most popular and expensive religion non Earth! It is for your own good that you are going to be taxed into poverty and serfdom. They don’t want the wealth and power for nefarious purposes; they just want to save us from a warmer planet covered with lush vegetation! Oh, the horrors!

Tom Abbott
Reply to  Abolition Man
February 29, 2020 5:57 am

“You gotta keep up with the fast moving dogma of St. Greta, the All-seeing and St. Albert the Stout”

Thanks for that laugh. 🙂

ren
February 28, 2020 11:44 am

2010 is the beginning of the 24th solar cycle. Now we are waiting for an increase in solar activity.
comment image

Reply to  ren
February 28, 2020 5:38 pm

2009 (2008/December) was the beginning of SC24. We’re at 11 years and 3 months now.

ren
Reply to  Joel O'Bryan
February 28, 2020 10:06 pm

In 2009, the magnetic activity of the Sun was minimal. The solar wind only got stronger in February 2010.
comment image

Matthew R Marler
February 28, 2020 11:45 am

After a long period with severe drought conditions dominating the scene in California, the winter season of 2018-2019 brought significant rainfall to the state and incredible amounts of snow piled up in the Sierra Nevada Mountains. In fact, the drought was officially declared over by the time spring season began last year. In subsequent months, there have been spurts of dry weather across California, but drought conditions did not really become persistent until a few weeks ago. Contrary to the winter of 2018-2019, this winter season has been rather dry across California and the amount of snow that has fallen in the Sierra Mountain range of eastern California has been below-normal. This reduction of snowfall in the higher elevation locations could very well lead to some problems later this summer as a melting snow pack is an important contributor of water for the state.

A CA drought is not reflected in the color coding on the map. What gives?

Joel O'Bryan
Reply to  Matthew R Marler
February 28, 2020 12:06 pm

The a low Sierra snow pack predicts low spring-early summer river levels and thus diminished reservoir levels heading into a typical dry hot summer.
But future drought is not current drought.
The horror for the Alarmists will be that there will be less water to flush down the San Joaquin Delta to the ocean to help out a bait fish.

RMoore
February 28, 2020 11:51 am

Three part forecast in next to last paragraph is going to be correct in the future.

‘You can blow with this,
or you can blow with that’

Fat boy Slim

https://m.youtube.com/watch?v=DB18chEn9CU

michael hart
February 28, 2020 12:13 pm

“Note that the expected skills of the models, based on historical performance, are not equal to one another [etc etc etc]”

I guess they just never mustered the courage to write policies for insurance companies.

Strewth, even I think I’m getting cynical.

ren
February 28, 2020 12:36 pm

Cold early March in California.
comment image

Samuel C Cogar
February 28, 2020 12:53 pm

By Paul Dorian

NOAA’s CFS v2 computer forecast model is predicting relatively strong La Nina conditions by later this summer (August/September/October 2020);

La Nina is a naturally occurring oceanic cycle that produces colder-than-normal sea surface temperatures (SSTs) in the tropical Pacific Ocean whereas El Nino is associated with warmer-than-normal water. If indeed La Nina forms later this year, it could have ramifications on the upcoming Atlantic Basin tropical season,

Normally, there is an average 6 ppm decrease in atmospheric CO2 from mid-May to end of September, ….. and an average 8 ppm increase in atmospheric CO2 from end of September to mid-May, as defined by the Keeling Curve Graph. A yearly average increase of 2 ppm (a 6 ppm decrease vrs an 8 ppm increase)

If a relatively strong La Nina does form it could also have ramifications (a decrease) on the bi-yearly September to May average 8 ppm increase in atmospheric CO2 that begins after the Autumnal equinox in September. Thus the 2020-21 average yearly increase might only be 6 or 6.5 ppm instead of 8 ppm.

Mid-May 2020-21 Mauna Loa data will provide the answer.

Reply to  Samuel C Cogar
February 28, 2020 8:02 pm

Samuel
See the chart in the link below. Note that the Nino 3.4 average temperature profile peaks in May (same as CO2 at Mauna Loa), and is at the lowest point exactly the same time as well. Then it rises in tandem with CO2.

Don’t you just love charts that line up perfectly that no one seems to notice or really understand. This one of the key contributers at the heart of the NH CO2 circulation pump.

Warmer 3.4 SST create increased NH troposphere circulation and ultimately volume retention.
Regards

https://origin.cpc.ncep.noaa.gov/products/analysis_monitoring/ensostuff/ONI_change.shtml

Samuel C Cogar
Reply to  Martin Cropp
February 29, 2020 5:02 am

Martin Cropp, …… a beautiful graph, ….. I thank you much.

And “Yes”, …… I love it, love it, love it ……. because it confirms what I have been say for the past 20+ years.

The steady and consistent change of the Spring/Fall “equinoxes” determines the surface temperature of the Southern Hemisphere ocean surface waters ….. and thus control the ingassing/outgassing of atmospheric CO2, ….. per Henry’s Law.

Humans or green growing/decomposing biomass ….. don’t never do anything steady and consistent from one year to the next.

Reply to  Samuel C Cogar
February 29, 2020 12:19 pm

Dear Samuel
Always a pleasure. But there is more to consider.

Now go onto earthnull historical and look at the wind circulation patterns flowing toward Mauna Loa from April through October. These winds are primarily from the higher NH latitudes sweeping southward and moving east to west, bringing well mixed air. The low point in the ML curve is controlled by this.
There is a lot to the ML values, but your claim is fundamentally correct.

Robber
February 28, 2020 1:03 pm

Is weather forecasting an art or a science?
“It appears somewhat likely that the current weak El Nino in the equatorial part of the central Pacific Ocean will transition into La Nina conditions later this summer.”
Somewhat likely? Does that mean 55/45 odds?

Ed Zuiderwijk
Reply to  Robber
February 28, 2020 1:47 pm

I don’t know about weather forecasting, but climate forecasting is pure magic.

Herbert
February 28, 2020 2:08 pm

Regarding ENSO, it is universally accepted that it is a natural climatic phenomenon.
I do not usually refer to Wikipedia but it has a reasonable summary of ENSO, which has been occurring for thousands of years.
The use of ‘El Niño’was noted as a reference to climate in Peru as long ago as 1892.
Others here have noted connections between ENSO and PDO and the IOD.
Importantly,ENSO affects the world climate and disrupts weather patterns.
There is NO consensus on whether climate change will have any effect on the occurrence strength or duration of El Niño events, as research supports El Niño events becoming stronger,longer,shorter and weaker.( Collins et al 2010).
Recently, I watched Michael Mann on the ABC in Australia (here on sabbatical) talking about climate change causing bushfires but then saying, without missing a beat, that the climate was influenced by the Indian Ocean Dipole.
No wonder people are confused about the climate issue.

Tom Abbott
Reply to  Herbert
February 29, 2020 6:11 am

“No wonder people are confused about the climate issue.”

It’s a deliberate effort on the part of alarmists. It’s why they started to use “climate change” instead of “global warming” to describe their CAGW hoax. “Climate change” is much more ambiguous and causes more confusion and that’s what alarmists want: Lots of confused people, easily led..

Reply to  Tom Abbott
March 3, 2020 3:33 am

https://wattsupwiththat.com/2020/01/17/were-ipccs-1990-medium-term-warming-predictions-accurate-no/#comment-2895738

To be scientific, a hypothesis must be framed properly so that it can be falsified, and Lord Monckton is correct – the very-scary Catastrophic Anthropogenic Global Warming (CAGW) hypothesis has been falsified – because actual observed global warming is much less than predicted by the climate models of the IPCC and acolytes and is NOT dangerous.

The concept of falsifiability is important, because the very-scary humanmade “Climate Change“ hypothesis can mean anything and everything to climate alarmists – warmer, colder, wetter, drier, windier, calmer and thus cannot be falsified – it is Karl Popper’s “non-falsifiable hypothesis”, or in layman’s terms, it is non-scientific nonsense.

“A theory that is not refutable by any conceivable event is non-scientific.” – Karl Popper

When it is scientifically framed as a falsifiable hypothesis, the Catastrophic Humanmade “Climate Change” hypothesis can also be falsified, as it has been in the following treatises:

“Alarmist Claim Rebuttals”
https://alarmistclaimresearch.wordpress.com/

“Wrong Again: 50 Years of Failed Eco-pocalyptic Predictions”
By Myron Ebell and Steven J. Milloy, September 18, 2019
https://cei.org/blog/wrong-again-50-years-failed-eco-pocalyptic-predictions

The ability to correctly predict significant climate events is probably the best objective measure of scientific competence in the field of climate. It is important to note that every scary prediction made by the Global Warming/Climate Change alarmists has failed to materialize – they have a perfect negative predictive track record and thus perfect negative credibility.

In conclusion:

The Catastrophic Anthropogenic Global Warming hypothesis is falsified. There no CAGW crisis.
The Catastrophic Humanmade “Climate Change” hypothesis is also falsified.

Richard Ilfeld
February 28, 2020 2:15 pm

Fortunately, California, knowing that droughts are frequent and sometimes severe, built considerable new water storage in time for the record wet winter of 18-19, thus has considerable surplus on hand with which to manage the expected dry conditions upcoming.
/sarc off

David Fish
February 28, 2020 2:25 pm

I have to say, the last paragraph underlines how “the science” confuses most of us. To paraphrase, it could be wet, or it could be dry, or it could be both.

Modelling results are entirely dependent on inputs, even assuming the model is “honest” (often not a given). The inputs are generally not known until after the fact. Thus models are useful for understanding what happened, generally pretty unreliable for predicting what will happen, even in the short term.

To base economic and social reforms with potentially devastating consequences (themselves not terribly predictable) on inherently unreliable modelling is foolish in the extreme.

What we know for certain is that vast amounts of money spent spent on mitigation measures of dubious efficacy, cannot be spent on real world issues that have known solutions eg energy poverty and resultant human misery. Not to mention the wonderful effects on population control that would result from raising the standard of living of 2/3 of the worlds population.

The most pressing problem facing Western culture isn’t climate change – it’s Hubris!

Reply to  David Fish
March 3, 2020 9:07 am

Good post David, except it’s not Hubris – it is deliberate political sabotage.

WHAT THE GREEN NEW DEAL IS REALLY ABOUT — AND IT’S NOT THE CLIMATE
By Allan M.R. MacRae, B.A.Sc., M.Eng., July 19, 2019
https://wattsupwiththat.com/2019/07/20/what-the-green-new-deal-is-really-about-and-its-not-the-climate/
[excerpt]

On July 4, 2019, I published the article “THE COST TO SOCIETY OF RADICAL ENVIRONMENTALISM”.
There was a reason why this article was published on July 4. My article begins:

Ever wonder why extremists attack honest scientists who oppose global warming and climate change hysteria? Ever wonder why climate extremists refuse to debate the science?

IT IS BECAUSE GLOBAL WARMING AND CLIMATE CHANGE ALARMISM WAS NEVER ABOUT THE SCIENCE – IT WAS ALWAYS A FALSE NARRATIVE, A SMOKESCREEN FOR THE TOTALITARIAN OBJECTIVES OF THE EXTREME LEFT.

THE COST TO SOCIETY OF RADICAL ENVIRONMENTALISM
By Allan M.R. MacRae, B.A.Sc., M.Eng., July 4, 2019
https://wattsupwiththat.com/2019/07/04/the-cost-to-society-of-radical-environmentalism/

South River Independent
February 28, 2020 2:34 pm

Any significant effect on Hawaii in April?

Bindidon
February 28, 2020 2:36 pm

JMA’s ENSO forecast has long been the one I preferred – because mostly what they predicted happened.

http://ds.data.jma.go.jp/tcc/tcc/products/elnino/elmonout.html#fig2

The model description is interesting:

http://ds.data.jma.go.jp/tcc/tcc/products/model/outline/cps2_description.html

Rgds
J.-P. D.

Coeur de Lion
February 28, 2020 2:53 pm

I’m watching UAH carefully as usual. A return to the ‘pause’? Or a cooling below the 30 year mean?

Bindidon
Reply to  Coeur de Lion
February 28, 2020 3:58 pm

Coeur de Lion

“I’m watching UAH carefully as usual.”

Really? If you do: how do you imagine a ‘cooling below the 30 year mean’?

comment image

Did you ever count the number of monthly anomalies above/below that mean since 2012?

Rgds
J.-P. D.

fonzie
Reply to  Bindidon
February 28, 2020 5:14 pm

Did you ever count the number of monthly anomalies above/below that mean since 2012?

NO (😉)

Bindidon
Reply to  fonzie
February 29, 2020 2:30 am

Hi fonzie

You are such a lazy guy 🙂

Rgds
J.-P. D.

fonzie
Reply to  Bindidon
February 29, 2020 11:39 am

+1

Richard M
February 28, 2020 4:06 pm

Seems just a month ago the same people were predicting an El Nino. Beware of any forecasts until after April.

That said, it does seem like we are due for a La Nina. However, I see no evidence in the current structure of the Pacific that would lead one to conclude a La Nina is going to occur. OTOH, the blob has been dissipating and the PDO could be going negative which would greatly increase the chances. However, having one month with a negative value is not a trend.

My own guess …. we stay neutral through the summer and then move into La Nina conditions next fall. I’m also think it will be a 2 year La Nina with the 21-22 cooling more significant.

fonzie
February 28, 2020 5:16 pm

Test