October 2009 SST Anomaly Update

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MONTHLY SST ANOMALY MAP

The map of Global OI.v2 SST anomalies for October 2009 downloaded from the NOMADS website is shown below.
http://i37.tinypic.com/2yv2olg.png
October 2009 SST Anomalies Map (Global SST Anomaly = +0.275 deg C)

MONTHLY OVERVIEW

Global SST anomalies rose 0.047 deg C between September and October, with all but the Arctic and Southern Oceans showing increases. The equatorial Pacific is now showing signs of moderate El Nino conditions (Monthly NINO3.4 SST Anomaly = +1.04 deg C and Weekly NINO3.4 SST Anomaly = +1.66 deg C). Monthly NINO3.4 SST anomalies rose +0.208 in October, while the weekly data shows NINO3.4 SST anomalies have been increasing rapidly over the past few weeks.
http://i38.tinypic.com/2vvjfio.png
Global
Monthly Change = +0.047 deg C
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http://i34.tinypic.com/2a5ixdv.png
NINO3.4 SST Anomaly
Monthly Change = +0.208 deg C

NOTE ABOUT THE DATA

The MONTHLY graphs illustrate raw monthly OI.v2 SST anomaly data from November 1981 to October 2009.

MONTHLY INDIVIDUAL OCEAN AND HEMISPHERIC SST UPDATES http://i35.tinypic.com/295bkts.png
Northern Hemisphere
Monthly Change = +0.085 deg C
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http://i35.tinypic.com/5a10y1.png
Southern Hemisphere
Monthly Change = +0.018 deg C
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http://i34.tinypic.com/1zmnh5f.png
North Atlantic (0 to 75N, 78W to 10E)
Monthly Change = +0.178 deg C
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http://i35.tinypic.com/4szbzm.png
South Atlantic (0 to 60S, 70W to 20E)
Monthly Change = +0.004 deg C
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http://i34.tinypic.com/152oqd1.png
North Pacific (0 to 65N, 100 to 270E, where 270E=90W)
Monthly Change = +0.044 Deg C
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http://i34.tinypic.com/2qasd9w.png
South Pacific (0 to 60S, 145 to 290E, where 290E=70W)
Monthly Change = +0.006 deg C
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http://i38.tinypic.com/xcsjrd.png
Indian Ocean (30N to 60S, 20 to 145E)
Monthly Change = +0.015 deg C
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http://i37.tinypic.com/2i6p255.png
Arctic Ocean (65 to 90N)
Monthly Change = -0.028 deg C
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http://i37.tinypic.com/97vex2.png
Southern Ocean (60 to 90S)
Monthly Change = -0.030 deg C

WEEKLY NINO3.4 SST ANOMALIES

The weekly NINO3.4 SST anomaly data illustrate OI.v2 data centered on Wednesdays. The latest weekly NINO3.4 SST anomalies are +1.66 deg C.
http://i33.tinypic.com/2upvjpw.png
Weekly NINO3.4 (5S-5N, 170W-120W)

SOURCE
The Optimally Interpolated Sea Surface Temperature Data (OISST) are available through the NOAA National Operational Model Archive & Distribution System (NOMADS).
http://nomad3.ncep.noaa.gov/cgi-bin/pdisp_sst.sh?lite