Monthly Archives: May 2010

>GISS Deletes Arctic And Southern Ocean Sea Surface Temperature Data

Posted on May 31, 2010 by Bob Tisdale

>REFER TO UPDATE AT THE END OF THE POST There are numerous blog posts and discussions about how the GISS global temperature anomaly product GISTEMP differs from the Hadley Centre and NCDC datasets. The repeated reasons presented for this are, … Continue reading →

Posted in GISS, LSAT, SST Dataset Info | 107 Comments

>Mid-May 2010 SST Anomaly Update

Posted on May 24, 2010 by Bob Tisdale

>NOTE: The weekly OI.v2 SST data is available in two periods through the NOAA NOMADS website, from November 1981 to 1989, and from 1990 to present. I’ve been providing these mid-month updates with graphs that include the full term of … Continue reading →

Posted in SST Update | 2 Comments

>Tom Karl’s Trends Are Wrong – At Least in Slide 21

Posted on May 19, 2010 by Bob Tisdale

>Correction: I have been advised that my Figure 4 in this post could be considered misleading because the trends intersect at 1900 and not toward the middle of the plot. The following illustration is a correction. It still shows, however, … Continue reading →

Posted in CAGW Proponent Arguments | 1 Comment

>NINO3.4 SST Anomalies Are Now Negative

Posted on May 17, 2010 by Bob Tisdale

>I just took a quick look at NINO3.4 SST Anomalies, and for the week centered on Wednesday May 12th, they’ve dropped into negative numbers: -0.075 deg C. http://i44.tinypic.com/x10s9y.png NINO3.4 SST Anomalies – Week Of May 12, 2010 SOURCE OI.v2 SST … Continue reading →

Posted in El Nino-La Nina Processes, SST Update | 7 Comments

>April 2010 SST Anomaly Update

Posted on May 10, 2010 by Bob Tisdale

>MONTHLY SST ANOMALY MAP The map of Global OI.v2 SST anomalies for April 2010 downloaded from the NOMADS website is shown below. The drop in central equatorial Pacific SST anomalies toward ENSO-neutral temperatures is obvious. The response should work its … Continue reading →

Posted in SST Update | 6 Comments

>NINO3.4 SST Anomalies In Neutral Territory

Posted on May 3, 2010 by Bob Tisdale

>Just a quick post. The weekly OI.v2 NINO3.4 SST anomalies dropped out of El Niño range last week, the week centered on Wednesday April 28th. They are presently at ~0.47 deg C. http://i44.tinypic.com/sv1d8w.png Weekly NINO3.4 SST Anomalies http://i41.tinypic.com/zyhkw7.png Map I’ll … Continue reading →

Posted in El Nino-La Nina Processes, SST Update | 6 Comments

>The 2009/10 Warming Of The South Atlantic

Posted on May 3, 2010 by Bob Tisdale

>The Sea Surface Temperature (SST) anomalies for the South Atlantic are shown in Figure 1. First observation: it’s a noisy dataset. Then, other than the dip and rebound in 1991/92, likely caused by the eruption of Mount Pinatubo, and other … Continue reading →

Posted in SST Update, Unexplained Occurrence | 48 Comments

>Typical (Average) El Nino, Traditional El Nino, and El Nino Modoki Events

Posted on May 1, 2010 by Bob Tisdale

>Recently, there have been a number of posts around the blogosphere about the current El Nino or about Sea Surface Temperatures (SST). Accompanying them are predictions by the authors of those posts or by commenters of a pending La Nina … Continue reading →

Posted in El Nino-La Nina Processes | 18 Comments