>PRELIMINARY March 2010 SST Anomaly Update

>The official March 2010 SST data through the NOAA NOMADS website won’t be official until Monday April 5th. 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 March 2010. I’ve also included the weekly data through March 24, 2010.

Based on the preliminary data, monthly NINO3.4 SST anomalies are continuing their decline, though the decline slowed last month. They’ve dropped ~0.13 deg C over the past month.
Monthly NINO3.4 SST Anomalies

Monthly Global SST anomalies, according to the preliminary data, increased 0.008 deg C since February.
Monthly Global SST Anomalies

The weekly NINO3.4 SST anomaly data, with the most recent value centered on March 24, 2010, shows it may have ended the period of slower decline that has existed for the past month and a half. That little wiggle at the end is actually a drop of 0.12 deg C in one week.
Weekly NINO3.4 SST Anomalies

Weekly Global SST Anomalies are still elevated and have taken a minor upward swing yet again, though it’s difficult to see in the graph. It would be nice if the NINO3.4 SST anomalies continued their decline, so that the global data would start to drop again–eventually.
Weekly Global SST Anomalies


SST anomaly data is available through the NOAA NOMADS website:

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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