>August 2009 SST Anomaly Update

>MONTHLY SST ANOMALY MAP

The map of Global OI.v2 SST anomalies for August 2009 downloaded from the NOMADS website is shown below.
http://i32.tinypic.com/2rcbdx2.png
August 2009 SST Anomalies Map (Global SST Anomaly = +0.28 deg C)

MONTHLY OVERVIEW

Global SST anomalies rose 0.004 deg C between July and August. In other words, for all intents and purposes, they remained unchanged. The equatorial Pacific continues to show weak El Nino conditions (Monthly NINO3.4 SST Anomaly = +0.81 deg C and Weekly NINO3.4 SST Anomaly = +0.89 deg C). Monthly NINO3.4 SST anomalies dropped a small amount (-0.05 deg C) in August, while the weekly data shows NINO3.4 SST anomalies have been modulating slightly for the past few weeks.
http://i31.tinypic.com/2wbui5v.png
Global
Monthly Change = +0.004 deg C
############
http://i25.tinypic.com/5mc0wk.png
NINO3.4 SST Anomaly
Monthly Change = -0.052 deg C

NOTE ABOUT THE DATA

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

MONTHLY INDIVIDUAL OCEAN AND HEMISPHERIC SST UPDATES
http://i30.tinypic.com/24gom83.png
Northern Hemisphere
Monthly Change = +0.019 deg C
#####
http://i26.tinypic.com/22drgp.png
Southern Hemisphere
Monthly Change = -0.008 deg C
#####
http://i26.tinypic.com/2e64is9.png
North Atlantic (0 to 75N, 78W to 10E)
Monthly Change = -0.047 deg C
#####
http://i30.tinypic.com/2ir42lf.png
South Atlantic (0 to 60S, 70W to 20E)
Monthly Change = -0.132 deg C
#####
http://i30.tinypic.com/2iawwt3.png
North Pacific (0 to 65N, 100 to 270E, where 270E=90W)
Monthly Change = -0.019 Deg C
#####
http://i25.tinypic.com/4kgryr.png
South Pacific (0 to 60S, 145 to 290E, where 290E=70W)
Monthly Change = +0.027 deg C
#####
http://i26.tinypic.com/fm51e0.png
Indian Ocean (30N to 60S, 20 to 145E)
Monthly Change = +0.034 deg C
#####
http://i31.tinypic.com/24cf8yg.png
Arctic Ocean (65 to 90N)
Monthly Change = +0.379 deg C
#####
http://i32.tinypic.com/2vjxtp1.png
Southern Ocean (60 to 90S)
Monthly Change = +0.047 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 +0.895 deg C.
http://i27.tinypic.com/5ujod3.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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