>October 2009 SST Anomaly Update

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

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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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