Guest Post by Javier It is a well-known feature of climate change that since 1850 multiple climate datasets present a ~ 60-year oscillation. I recently wrote about it in the…
Category: ENSO
Finding: North Pacific climate patterns influence El Nino occurrences
From the INSTITUTE OF ATMOSPHERIC PHYSICS, CHINESE ACADEMY OF SCIENCES and the “tail wagging the dog” department. For decades, the world’s leading scientists have observed the phenomena known as El Nino…
Some overheated rhetoric from Jonathan Overpeck
From the UNIVERSITY OF ARIZONA and the “El Nino is just a heat vent for greenhouse gases” department. Record jump in 2014-2016 global temperatures largest since 1900 Heat generated by…
Study: strong El Niño events increase height and mass of Antarctic ice shelves
From UCSD/Scripps Institution of Oceanography New study reveals strong El Niño events cause large changes in Antarctic ice shelves A new study published Jan. 8 in the journal Nature Geoscience reveals that…
Dad, Why Are You A Global Warming Denier?: A Short Story That’s Right for the Times
Dad, Why Are You A Global Warming Denier? by Bob Tisdale is only available, and will only be available, from Amazon in Kindle reader format. Its introduction begins: I penned…
New mechanism for El Nino enhanced storm systems
From the INSTITUTE OF ATMOSPHERIC PHYSICS, CHINESE ACADEMY OF SCIENCES New mechanism to explain how El Niño influences East Asian and WN Pacific climate Western North Pacific anomalous anticyclone (WNPAC, or…
NOAA: La Niña is officially back
November 2017 La Niña update: She’s back! Author: Emily Becker Well, it’s November, and the CPC/IRI ENSO forecast is declaring the presence of La Niña conditions! I could just link…
Cooler Global Temperatures Ahead: Indications are that La Niña is returning
Paul at Vencore Weather notes the ENSO forecast models and the data seem to be in alignment Overview Earlier this year, there were signs that a weak El Nino in…
Report: Ocean Cycles, Not Humans, May Be Behind Most Observed Climate Change
An eminent atmospheric scientist says that natural cycles may be largely responsible for climate changes seen in recent decades. In a new report published by the Global Warming Policy Foundation, Anastasios…
El Niño WATCH cancelled; ENSO neutral likely for 2017
From the “now the warmest year on record hopes are dashed” department: Via Bloomberg: All eight climate models surveyed by Australia’s Bureau of Meteorology suggest tropical Pacific Ocean temperatures are…
Claim: 'The blob' in the Pacific boosted Western US ozone levels
From the UNIVERSITY OF WASHINGTON ‘The blob’ of abnormal conditions boosted Western US ozone levels An unusually warm patch of seawater off the West Coast in late 2014 and 2015,…
Where did the 2016 El Niño's heat come from?
Guest essay by Mike Jonas 1. The basic physics 2016 was claimed as the “hottest year ever”. Well, the hottest for a few centuries, anyway, if the global temperature measures…
Do over: The 1997/98 Super El Niño via latest computer animation
From the UNIVERSITY OF NEW SOUTH WALES Extraordinary animation reveals ocean’s role in El Niños Ocean model data generated by Australia’s most powerful supercomputer, Raijin, shows 97/98 El Nino unfolding…
Early December 2016 La Niña Update: Mixed Signals from NOAA and BOM
Guest Post by Bob Tisdale Note: See Update at the end of the post. # # # Last month on November 10, NOAA issued a La Niña Advisory, indicating weak…
Watch Global CO2 jump with El Niño over time – then look at the whys
Robbie Andrew from the Center for International Climate and Environmental Research – Oslo has created an interesting animated graph showing the growth of CO2 in the atmosphere. While it has…
Study: Early seafarers likely used El Nino and other climate patterns to explore the Pacific
From the UNIVERSITY OF OREGON Early Pacific seafarers likely latched onto El Nino and other climate patterns Researchers from 3 universities employed computer simulations and climatic data to help them explore…
NOAA Has Resurrected the 2014/15 El Niño with Its Recent Changes to the Oceanic NINO Index
Guest Post by Bob Tisdale Just in case you missed the mention of this in the text of the most recent sea surface temperature update… In a June 2015 post,…
Quicky October 2016 ENSO Update
Guest Post by Bob Tisdale Weekly NINO3.4 Sea Surface Temperature Anomalies from NOAA Are Approaching the Threshold of a Moderately Strong La Niña. Australia’s Southern Oscillation Index from BOM is…
Claim: 'greenhouse gases could extend California drought for centuries'
From the UCLA Newsroom: Pacific Ocean’s response to greenhouse gases could extend California drought for centuries Warming forces have caused millennia of dryness in California’s prehistory, and greenhouses gases could…
NASA predicts a 'return to normal' in ENSO conditions
After Strong El Niño Winter, NASA Model Sees Return to Normal Not too hot, not too cold – instead, water temperatures in the equatorial Pacific Ocean should be just around…
Chinese Scientists Claim: Peak Solar Activity Drove 2015/16 El Niño
Chinese Academy of Science physicists find link between solar peaks and strong El Niños The Impact of Solar Activity on the 2015/16 El Niño Global Warming Policy Forum, 10 September…
NOAA Cancels La Niña Watch While La Niña Conditions Exist
Guest Post by Bob Tisdale La Niña conditions are typically defined by NOAA as sea surface temperature anomalies less than or equal to -0.5 deg C for the NINO3.4 region…
New research shows that California's Sierra Nevada snowpack will likely not recover from the current drought until 2019
By Lauren Lipuma, Contributing Writer, EOS The unprecedented drought that has gripped the Southwest United States has severely depleted the Sierra Nevada snowpack, the major source of water for drinking and…
Say Hello to La Niña Conditions
Guest Post by Bob Tisdale A quick ENSO update. Meteorological agencies like NOAA use the sea surface temperature anomalies of the NINO3.4 region (5S-5N, 170W-120W) of the equatorial Pacific to…
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