Category Archives: 2014-15 El Nino Series

NOAA Has Resurrected the 2014/15 El Niño with Its Recent Changes to the Oceanic NINO Index

Posted on October 12, 2016 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, we discussed and illustrated how Weak El Niños and La Niñas Come and Go from … Continue reading →

Posted in 2014-15 El Nino Series, ENSO Update | 12 Comments

The 2014/15 El Niño Series Posts

Posted on April 22, 2015 by Bob Tisdale

The 2014/15 El Niño Series included numerous discussions about the basic processes that drive El Niño events, especially early on in the series.  This post only lists the titles of the posts but they give the general idea of the … Continue reading →

Posted in 2014-15 El Nino Series | 33 Comments

The 2014-15 El Niño – Part 23 – NOAA’s Forward-Looking El Niño Advisory Was Also Dictated by Conditions since Last September

Posted on March 6, 2015 by Bob Tisdale

After many months of borderline El Niño conditions in the tropical Pacific, yesterday NOAA finally declared an El Niño was occurring. See Anthony Watts’s post NOAA Claims: ‘Elusive El Niño arrives’ – the question is, ‘where’? at WattsUpWithThat. It includes … Continue reading →

Posted in 2014-15 El Nino Series, ENSO Update | 12 Comments

The Little El Niño That Didn’t or Might Have (Depends on the Agency and Index)

Posted on January 13, 2015 by Bob Tisdale

It appears we were right to close out the 2014-15 El Niño Series last week.  NINO1+2, NINO3, and NINO3.4 region weekly sea surface temperature anomalies are below the +0.5 deg C threshold of El Niño conditions, and the NINO4 region … Continue reading →

Posted in 2014-15 El Nino Series, ENSO Update | 5 Comments

Final – The 2014/15 El Niño – Part 22 – January 2015 Update – You Make the Forecasts for the 2015/16 Season

Posted on January 5, 2015 by Bob Tisdale

WRAP-UP This is the final post in The 2014/15 El Niño series.  It began back in April 2014 when many people were expecting a strong El Niño due to the magnitude of the downwelling (warm) Kelvin wave. But the development … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes, ENSO Update | 19 Comments

Did ENSO and the “Monster” Kelvin Wave Contribute to the Record High Global Sea Surface Temperatures in 2014?

Posted on December 4, 2014 by Bob Tisdale

Of course they did. [UPDATE:  I’ve added “Sea” to the title to clarify it.] Those who have followed the 2014/15 El Niño series from its start back in April will recall all the hoopla about the strong downwelling Kelvin wave … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes, The Blob | 29 Comments

The 2014/15 El Niño – Part 21 – December Update – Weekly NINO3.4 SSTa at Threshold of Moderate El Niño

Posted on December 3, 2014 by Bob Tisdale

This post provides an update on the progress of the evolution of the 2014/15 El Niño conditions. The post is similar in layout to the earlier updates. (See the entire 2014/15 El Niño series of posts here.) The post includes … Continue reading →

Posted in 2014-15 El Nino Series, ENSO Update | 8 Comments

Quicky Mid-November 2014 ENSO Update

Posted on November 19, 2014 by Bob Tisdale

AUSTRALIA’S BOM UPGRADES ENSO TRACKER STATUS TO EL NIÑO ALERT On November 18, Australia’s Bureau of Meteorology (BOM) upgraded the conditions in the tropical Pacific from El Niño “watch” to “alert” levels, “indicating at least a 70% chance of El Niño … Continue reading →

Posted in 2014-15 El Nino Series, ENSO Update | 12 Comments

The 2014/15 El Niño – Part 20 – November Update – The Little El Niño That Shoulda’-Woulda’-Coulda’

Posted on November 11, 2014 by Bob Tisdale

And maybe it will.  Weekly sea surface temperature anomalies last week for the NINO3.4 region were at their highest level for the year. Then again, NINO1+2 region temperature anomalies have dropped to the 0.5 deg C threshold of an El … Continue reading →

Posted in 2014-15 El Nino Series, ENSO Update | 11 Comments

Enthusiasm about a Double-Dip El Niño (?) And Global Warming

Posted on November 6, 2014 by Bob Tisdale

In this post we can learn from someone’s mistakes. The author of the post at Slate clearly misunderstands many aspects of El Niño and their relationship with the Pacific Decadal Oscillation…so many that I’ve had to focus on just a few.  To confuse matters more, mixed … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes | 14 Comments