I’ve moved to WordPress. This post can now be found at December 2008 SST Update
###############The first graph, the NINO3.4 SST anomaly graph marked weekly, illustrates raw weekly OI.v2 SST anomaly data that’s centered on Wednesdays, from January 3, 1990 to December 31, 2008. The rest of the graphs illustrate raw monthly OI.v2 SST anomaly data from November 1981 to December 2008.
The monthly change (December 2008 Minus November 2008) in Global SST anomalies was approximately +0.019 deg C, driven primarily by the South Atlantic and South Pacific Oceans, which dominate the area of the Southern Hemisphere ocean. The remainder of the Ocean datasets showed decreases. The one-year change in Global SST anomaly since December 2007 was approximately +0.161 deg C, a rebound from the induced dip of last year’s significant La Nina. Present NINO3.4 SST anomalies are well below the threshold of a La Nina, but they aren’t at last year’s levels. With a few more months of NINO3.4 SST anomalies below -0.5 deg C, the CPC would consider it a full-fledged La Nina event and color code the anomaly values blue on its Oceanic Nino Index (ONI).
NINO3.4 SST ANOMALIES BASED ON WEEKLY OI.v2 SST DATA
http://i42.tinypic.com/j7ugdx.jpgNINO3.4 SST Anomaly (Weekly)
Present Value = -1.088
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MONTHLY OI.v2 SST UPDATES
http://i41.tinypic.com/1q2ws3.jpgNINO3.4 SST Anomaly (Monthly)
Monthly Change = -0.51 deg C
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http://i44.tinypic.com/33y54cp.jpgGlobal SST
Monthly Change = +0.019 deg C
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http://i40.tinypic.com/ev46qx.jpgNorthern Hemisphere
Monthly Change = -0.068 deg C
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http://i39.tinypic.com/rsqwqv.jpgSouthern Hemisphere
Monthly Change = +0.088 deg C
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http://i41.tinypic.com/vfxveb.jpgNorth Atlantic (0 to 75N, 78W to 10E)
Monthly Change = -0.061 deg C
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http://i43.tinypic.com/jii55l.jpgSouth Atlantic (0 to 60S, 70W to 20E)
Monthly Change = +0.212 deg C
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http://i40.tinypic.com/2gu9v8j.jpgNorth Pacific (0 to 65N, 90 to 180W) & (0 to 65N, 100 to 180E)
Monthly Change = -0.072 Deg C
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http://i43.tinypic.com/2zg6aro.jpgSouth Pacific (0 to 60S, 70 to 180W) & (0 to 60S, 145 to 180E)
Monthly Change = +0.144 deg C
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http://i42.tinypic.com/28a52dk.jpgIndian Ocean (30N to 60S, 20 to 145E)
Monthly Change = -0.033 deg C
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http://i39.tinypic.com/ngfbs.jpgArctic Ocean (65 to 90N)
Monthly Change = -0.019 deg C
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http://i40.tinypic.com/ka6a78.jpgSouthern Ocean (60 to 90S)
Monthly Change = -0.056 deg C
SOURCE
The Optimally Interpolated Sea Surface Temperature Data (OISST) are available through the NOAA National Operational Model Archive & Distribution System (NOMADS).http://nomads.ncdc.noaa.gov/#climatencdc
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