STANDARD OPENING PARAGRAPH
The March 2012 Reynolds OI.v2 Sea Surface Temperature (SST) data through the NOAA NOMADS website won’t be official until Monday, April 9th. Refer to the schedule on the NOAA Optimum Interpolation Sea Surface Temperature Analysis Frequently Asked Questionswebpage. The following are the preliminary Global and NINO3.4 SST anomalies for March 2012 that the NOMADS website prepares based on incomplete data for the month. I’ve also included the weekly data through the week centered on March 21, 2012, but I’ve shortened the span of the weekly data, starting it in March 2004, so that the variations can be seen.
PRELIMINARY MONTHLY DATA
Based on the preliminary data, Monthly NINO3.4 SST anomalies are at -0.63 deg C. The 2011/12 La Niña has not yet ended.
Monthly NINO3.4 SST Anomalies
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The preliminary global SST anomaly has decreased a little, slowing its rise from the seasonal La Niña low. It’s presently at +0.101 deg C.
Monthly Global SST Anomalies
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WEEKLY DATA
The weekly NINO3.4 SST anomalies for the week centered on March 21, 2012 are showing a minor rise. They are now at -0.494 deg C, which is just above La Niña range.
Weekly NINO3.4 SST Anomalies
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Weekly Global SST Anomalies have warmed a small amount after the sudden upsurge and fall. They are presently at +0.113 deg C.
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: