UAH Global Temperature dips in August

UAH (University of Alabama, Huntsville) Microwave Sounder Unit (MSU) lower troposphere global temperature anomaly data for August 2008 was published today and has moved a bit below the zero anomaly line, with a value of -0.010°C, down from 0.048°C in July 2008

The global UAH ∆T from July to August 2008 was .049°C and is 0.287°C cooler than in August 2007. It becomes the fourth time the UAH data has dipped below the zero anomaly line in 2008

UAH

2008 1 -0.046

2008 2 0.020

2008 3 0.094

2008 4 0.015

2008 5 -0.180

2008 6 -0.114

2008 7  0.048

2008 8 -0.010

Click for a larger image

Reference: UAH lower troposphere data

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Mary Hinge
September 9, 2008 4:56 am

F Rasmin (04:27:46) :
Time to put on the DVD “Miracle at Headingly” then!

Mary Hinge
September 9, 2008 5:02 am

Richard deSousa (13:22:43) :
“So Biden’s going to challenge Palin on her view that humans’ aren’t the cause for global warming. May be some one should email this blog’s link to her.”
Maybe someone should also send her ‘The Origin of Species by means of Natural Selection’ by Charles Darwin.
Anyone that believes in Creationism should not be allowed anywhere near a scientific debate….and she could possibly be a president if McCain is elected!!

kagiso
September 9, 2008 5:17 am

“F Rasmin (04:27:46) :
To all of the posters from the UK (where I hail from though a long time ago). The sun is now at over 56 degrees above the horizon here in Brisbane at noon now AND is shining every day! Yippee!”
Definitely uncalled for, we only had 3-4 days. Not only did I have the heating on this weekend, I even started draughtproofing.

Mike Bryant
September 9, 2008 5:25 am

Yeah, we need someone exactly like Mary Hinge to be our president.

Robert Wood
September 9, 2008 5:36 am

Here in Ottawa, I am already looking fondly back to the balmy warm days of the ’90s. A warm planet is a happy planet.

ThePenguin
September 9, 2008 5:56 am

Down here in Sydney Australia we have just had our coldest August since 1944 !!!
Of course one cold month means little in the long tem trends, but it’s interesting we are now seeing a general ‘declining’ pattern emerge.
After much research into the ‘global warming’ debate I conclude along with other scientists that we are seeing completely normal cyclic trends caused by the impact of low level clouds, which in turn is caused by increased cosmic ray intensity as we enter a period of low solar magnetic field strength for the next several decades. This will likely cause temperatures to remain in the negative for several decades. Of course it’s no coincidence that we had increased temperatures during 1985~2005 as this aligns with a period of very low cosmic ray activity. The effect of cosmic rays on global temperatures is a fairly new science and it is the only likely explanation to the recent 30 years of supposed AGW. The cosmic ray intensity is inversely linked to sunspot activity and is the real answer to why sunspot activity has shown a rough alignment to global temperatures. If you use the C14 data (which correlates inversely to cosmic ray intensity) then you get a very accurate match which shows complete alignment, even for 1985~2005. It is worth doing some reading on this topic, on how the cosmic rays enable enhanced cloud formation which reflects back some of the the suns energy. I’m 100% convinced of the connection. I am also interested at a possible linkage between this and the SOI. It is likely that the location of the mid latitude high pressure belt is affected by the cloud cover increase/ lower temps, which in turn affects ocean currents to enhace La Ninya causing a further componding cooling effect at mid latitudes in particular.
A likely conclusion……..
30-50 years of below average temperatures (-0.5 to -1.0) below the long term trend. This is substantial considering we have been 0.7 above the trend in recent times. Some scientists are predicting a maunder minimum type period of solar actvity. If this happens it will likely be 2 degrees below the long term trend.
Either way, the AGW alarmists will end up being frozen out of this debate within a decade !!!

Mary Hinge
September 9, 2008 6:02 am

Mike Bryant (05:25:36) :
I agree! Well, if you can have an Austrian exbodybuilder and actor (in the loosest possible sense of the word) then why not, where do I sign! Better that than a return to the dark ages with a creasionist president. When the science books in the schools are placed on the pyre who will light the first match?
On a different note and wildly off topic but within the remit of the blog, I would like to say farewell, in case the LHC does something it shouldn’t. If you think they all know exactly what there doing and that any black-hole formed will be too small and contained in a ‘controlled environment’ read this arcticle from the Sunday Times, dated last April, reassuring isn’t it!
http://www.timesonline.co.uk/tol/news/uk/article1626728.ece

David xke
September 9, 2008 6:18 am

It’s spring down under here in Sydney but temps are still in the winter range. Today was fine and clear with a light wind but still only reached 16 C (61F) in the CBD and 14 C (58F) at Sydney AP, which is several degrees below average. This morning at Cooma AP which is 350 km to the south the temperature was a very frosty -9.0 C (15F) which is new record low for September and beats the old record by 0.5 C. This follows on from a very cold August which also saw a new record low maximum temp of 3.8 C. This is Australia and it’s not supposed to be cold for any extended period.
This is surely further evidence that AGW has no boundaries.

David xke
September 9, 2008 6:32 am

I note that the latest NSIDC data points indicate a recovery from the falling trend and a larger gap wrt last years data. It would now seem unlikely that 2008 will see a new low for Arctic sea ice. It will be interesting to track the ice regrowth in the coming months so I hope NSIDC will provide the same attention to ice growth as they have to ice melt, as well as the same publically available trend analysis.

DR
September 9, 2008 6:46 am

How much heat is being extracted from the oceans during the current hurricane activity?
Is this heat being replaced or lost to space?
It would seem logical to be spikes in satellite readings before, during and after large hurricane events. Is that the case?

Mary Hinge
September 9, 2008 7:08 am

“It will be interesting to track the ice regrowth in the coming months so I hope NSIDC will provide the same attention to ice growth as they have to ice melt, as well as the same publically available trend analysis.”
Ice growth this winter is likely to follow a similar path to last year due to the decreased salinity and resulting raised freezing point. The resulting ice is thinner than multi-year ice and melts more readiliy as a result.
A new low in ice extent is still possible http://www.ijis.iarc.uaf.edu/en/home/seaice_extent.htm
Even if it doesn’t quite make it to the record low it is certainly the largest area of ice loss recorded from the Arctic due to the higher levels of ice this spring.

John McDonald
September 9, 2008 8:13 am

Hi Mary,
Forget evolution, forget creationism for the moment. Let’s focus on a thing far simplier.
Please tell me why there is something, rather than nothing, without using Genesis 1:1 “In the beginning God created”. An “I don’t know” is probably your best strategy. My point is this: when you look at first causes all we have is faith. Faith in God, Faith in X: but it is faith nonetheless. For myself, I choose to believe in God creating a being in his image for an eternal purpose as opposed to a faith in nothingness creating somethingness to achieve meaninglessness for a return to nothingness.

DAV
September 9, 2008 8:48 am

Anthony,
This is a total nit but FWIW I only see three dips when looking at the graph. When counting valleys, it’s uncommon to count the hillsides as well, let alone counting only one hillside. June was part of a rise to a July peak following a May low.
It would be more accurate to say this is the fourth month below zero.
—-
The cooling period between 2001-2008 is relatively flat. This is the longest that temperatures have been “stable” since 1979. It certainly looks like the hill has been crested and we are now on the downside.
Also, I seem to recall looking at a temperature graph with a 100 year baseline a couple of years ago (from the plaque at Badwater, I think). Using 30 year lines, 2000 seemed to be cresting. More evidence — at least in my mind. I’ll see if I can dig it up.

Mike Bryant
September 9, 2008 8:59 am

“To achieve meaninglessness for a return to nothingness.”
Some group may be able to use that as a motto.
John McDonald, You might be owed royalties!

Mary Hinge
September 9, 2008 9:15 am

Hi John,
sorry, I’m not getting into a religious discussion, not in the scope of this blog. I was using the point that I wouldn’t trust anything on a scientific level that came from someone that believes in creationism when all the scientific evidence supports evolution through natural selection. On the other hand I wouldn’t trust a christian statement coming from someone that does not believe in Christ.
God and science are not mutually exclusive, belief in creation over evolution most certainly is.

Mike Bryant
September 9, 2008 9:24 am

True, Mary, it would just be silly to believe that there could be a creator.

Russ R.
September 9, 2008 9:24 am

Mary:
You can always find somthing to be afraid of, if you look hard enough. Whether it is a creationist in the White House, or black holes in the LHC, or insufficent ice in the arctic. The challenge is to discern which items are worthy of concern, and which ones are not.
If we allow the media to “create” items of concern each day in order to generate enough interest for the current news cycle, we are falling for the “crisis of the day” mentality, that does not allow us to ignore the clutter, and focus on the issues that are really “life-or-death” issues.
As far as a creationist in the White House, we have had them there before, and we will have them there again. I would rather have someone in that position, thinking that they will have to answer for their “life-or-death” decisions, to an all-knowing God.

Admin
September 9, 2008 9:29 am

Can we stop the religious discussion please? Pro or con. Belief or not. Please just no more posts. Not one more shot at the last word. Nada.
Thank you.
~ charles the moderator

Mike Bryant
September 9, 2008 9:34 am

OK… Hey! The weather is great in Texas today!
Mike Bryant 🙂

Robert Wood
September 9, 2008 9:52 am

What’s this? Atmoz comes up with magical instrument error to eradicate the temperature drop? Has he ever done this for the Hansen numbers?
These people will run out of excuses eventually.

Bill Illis
September 9, 2008 11:51 am

To Dr “How much heat is being extracted from the oceans from the hurricane activity?”
I don’t know if this is a meaningful amount in the whole scheme of things, but the tracks of the last three hurricanes, Gustav, Ike and Hanna, have clearly left a cool track in Carribean ocean temps (-1.5C) which is very evident in this map.
http://www.osdpd.noaa.gov/PSB/EPS/SST/data/anoma.9.8.2008.gif

Mike Bryant
September 9, 2008 12:06 pm

The truth should never get in the way of a good story.

Jared
September 9, 2008 12:56 pm

Mary Hinge…
You do realize, don’t you, that the vast majority of U.S. presidents have been creationists? Including some in the very near past?

Jared
September 9, 2008 1:00 pm

Mary Hinge….
Some cooling was predicted from this recent La Nina, but not nearly as much as has occurred. To claim otherwise would be untruthful.
Can you explain why temperatures with this past La Nina were cooler so far than with the 1999 La Nina, even though that one was stronger, lasted longer and occurred almost 10 years ago? (Shouldn’t there have been some global warming during that time?)

Bill Marsh
September 9, 2008 1:07 pm

Mary,
Not to worry about the LHC. If a black hole is created that reaches a ‘tipping point’ and eventually consumes the earth, it won’t be instantaneous, or so says a Physicist at NSF I was talking with. He said it would take 2-3 months for the BH to grow to sufficient size to break up the planet. Of course it would most likely suck up most of the atmosphere within a couple of weeks, but that should still leave you with time to make your goodbyes. 🙂