Monthly Archives: April 2014

The 2014/15 El Niño – Part 6 – What’s All The Hubbub About?…

Posted on April 30, 2014 by Bob Tisdale

…or Introductions to the Impacts of El Niños on Global Weather Patterns and to the Long-Term Effects of Strong El Niño Events on Global Surface Temperatures Since the first of the year, there have been hundreds, possibly thousands, of news … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes | 64 Comments

PRELIMINARY April 2014 Sea Surface Temperature (SST) Update

Posted on April 28, 2014 by Bob Tisdale

GLOBAL MAP FOR WEEK CENTERED ON APRIL 23, 2014 The weekly sea surface temperature anomalies across the equatorial Pacific for the week centered on April 23, 2014 are elevated, even in the eastern equatorial Pacific, so I thought I’d start … Continue reading →

Posted in SST Update | 6 Comments

On the Differences and Similarities between Global Surface Temperature and Lower Troposphere Temperature Anomaly Datasets

Posted on April 27, 2014 by Bob Tisdale

UPDATE:  See the correction at the end of the post, which pertained to the discussion of the trend maps in Figures 13 and 14. I’ve crossed out the paragraph between those illustrations that was incorrect.  And I’ve corrected a good … Continue reading →

Posted in LOST Update, TLT and LOST Updates | 24 Comments

March 2014 Global Surface (Land+Ocean) Temperature Anomaly Update

Posted on April 22, 2014 by Bob Tisdale

INITIAL QUESTION Once upon a time, the NCDC published its monthly global land+ocean surface temperature anomaly data around the 15th of the month. They have recently relaxed the dates of their monthly global state of the climate updates.  The NCDC … Continue reading →

Posted in LOST Update | 4 Comments

Mid-April 2014 Sea Surface Temperature (SST) Anomaly Update

Posted on April 21, 2014 by Bob Tisdale

The sea surface temperature anomalies in the NINO3.4 region of the equatorial Pacific (5S-5N, 170W-120W) are a commonly used metric for the frequency, strength and duration of El Niño and La Niña events.  For the week centered on Wednesday April … Continue reading →

Posted in SST Update | 6 Comments

The 2014/15 El Niño – Part 5 – The Relationship Between the PDO and ENSO

Posted on April 20, 2014 by Bob Tisdale

UPDATE:  I’ve added NOAA’s description of the PDO index toward the end of the post, before the closing. # # # During the earlier discussions of the upcoming El Niño event, the topic of the Pacific Decadal Oscillation or PDO … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes, Model-Data Comparison SST, PDO | 47 Comments

The 2014/15 El Niño – Part 4 – Early Evolution – Comparison with Other Satellite-Era El Niños

Posted on April 17, 2014 by Bob Tisdale

In the preceding post, we looked at the evolution of the weekly sea surface temperature anomalies in two regions of the equatorial Pacific (NINO3.4 and NINO1+2), comparing the data so far in 2014 to those of the strong 1982/83 and … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes | 42 Comments

2014/15 El Niño – Part 3 – Early Evolution – Comparison with 1982/83 & 1997/98 El Niño Events

Posted on April 14, 2014 by Bob Tisdale

Comparisons are still being made of the 1997/98 El Niño with the El Niño forming this year. So I thought we should compare the weekly sea surface temperature anomalies for this year, in two NINO regions, with those during 1997 … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes, ENSO Update | 41 Comments

Checking Work

Posted on April 13, 2014 by Bob Tisdale

Originally posted on Izuru:
It’s important to check your work. It helps prevent you from publishing stupid mistakes. It’s also important to check other people’s work. That helps prevent you from believing people’s stupid mistakes. Sadly, in the internet age…

Posted in Uncategorized | 1 Comment

The 2014/15 El Niño – Part 2 – The Alarmist Misinformation (BS) Begins

Posted on April 10, 2014 by Bob Tisdale

I knew it wouldn’t take long. The 2014/15 El Niño has yet to form and there’s already a well-commented blog post about it that spreads more speculative nonsense than one would think possible. Even the title Monster El Nino Emerging … Continue reading →

Posted in 2014-15 El Nino Series, El Nino-La Nina Processes | 61 Comments