>Mid-August 2009 SST Anomaly Update

>The OI.v2 SST anomaly map for the Week Centered On August 19, 2009 is showing elevated SST anomalies in the mid and high latitudes of the Northern Hemisphere and in the tropical Pacific. The tropical Atlantic is still not showing any areas of exceptionally warm SST anomalies.
SST Anomaly Map

Global SST anomalies are still elevated, and are still bouncing between 0.26 and 0.32 deg C. Tough to tell if they’ll rise or fall in the future weeks and months.
Global SST Anomalies

NINO3.4 SST anomalies for the week centered on August 19, 2009 are still well into El Nino territory, but they haven’t risen above the peak for this year set a few weeks ago.
NINO3.4 SST Anomalies

And the Subsurface SST Anomaly Animation (Courtesy of NOAA CPC) shows the anomalies dissipating (or moving out of the area sampled) in the eastern equatorial Pacific, but increasing along the thermocline in the central equatorial Pacific.
Subsurface Equatorial Pacific Animation

OI.v2 SST anomaly data is available through the NOAA NOMADS system:

Subsurface Animation is available here:

About Bob Tisdale

Research interest: the long-term aftereffects of El Niño and La Nina events on global sea surface temperature and ocean heat content. Author of the ebook Who Turned on the Heat? and regular contributor at WattsUpWithThat.
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