>The November 2010 SST data through the NOAA NOMADS website won’t be official until December 6. Refer to the schedule on the NOAA Optimum Interpolation Sea Surface Temperature Analysis Frequently Asked Questions webpage. The following are the preliminary Global and NINO3.4 SST anomalies for November 2010 presented by the NOMADS website. I’ve also included the weekly data through November 24, 2010, but I’ve shortened the span of the weekly data, starting it in January 2004, so that the variations can be seen
PRELIMINARY MONTHLY DATA
Based on the preliminary data, monthly NINO3.4 SST anomalies have stopped their decline and have risen slightly. Presently they’re at -1.42 deg C.
http://i51.tinypic.com/9hmo3t.jpg
Monthly NINO3.4 SST Anomalies
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Monthly Global SST anomalies, according to the preliminary data, have dropped another 0.04 deg C. The preliminary global SST anomaly is 0.1 deg C. As noted last month, with the step up in the South Atlantic and its effect on the North Atlantic, it will be interesting to see how much global SST anomalies will decline in response to the La Niña. Refer to the post The 2009/10 Warming Of The South Atlantic. Combine that with the typical rise in the East Indian and West Pacific Oceans that occur when El Niño events are followed by La Niña events, and one should not expect the global SST anomalies to drop to the level they reached in December 2007.
http://oi51.tinypic.com/11qiaee.jpg
Monthly Global SST Anomalies
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WEEKLY DATA
The weekly NINO3.4 SST anomaly data are dropping again after their minor rebound. They are at -1.6 deg C.
http://i56.tinypic.com/21kwmrn.jpg
Weekly NINO3.4 SST Anomalies
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Weekly Global SST Anomalies have stopped their rebound, and they are presently at +0.08 deg C.
http://i51.tinypic.com/b4dwyd.jpg
Weekly Global SST Anomalies
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SOURCES
SST anomaly data is available through the NOAA NOMADS website:
http://nomad1.ncep.noaa.gov/cgi-bin/pdisp_sst.sh
or:
http://nomad3.ncep.noaa.gov/cgi-bin/pdisp_sst.sh?lite=
Bob Tisdale - Climate Observations 