I’ve moved to WordPress. This post can now be found at May 2009 SST Anomaly Update
################MONTHLY SST ANOMALY MAP
The map of Global OI.v2 SST anomalies for May 2009 provided by NOMADS is shown below.
http://i39.tinypic.com/2roreo8.jpgMay 2009 SST Anomalies Map (Global SST Anomaly = +0.196 deg C)
MONTHLY OVERVIEW
Global SST anomalies rose approximately 0.037 deg C in May, with the two biggest contributors being the South Pacific with a rise of 0.081 deg C and the South Atlantic with a rise of 0.062 deg C. In fact, the South Atlantic is showing record high SST anomalies. (I’ll have to cross check the OI.v2 South Atlantic anomalies with ERSST.v2, ERSST.v3b, and HADISST data as soon as they become available.) The equatorial Pacific shows neutral ENSO conditions (Monthly NINO3.4 SST Anomaly = +0.265 deg C), but NINO3.4 SST anomalies rose 0.446 deg C in May.
http://i42.tinypic.com/2v167et.jpgGlobal
Monthly Change = +0.037 deg C
############
http://i43.tinypic.com/28arfo5.jpgNINO3.4 SST Anomaly
Monthly Change = +0.446 deg C
AMO
My Usual AMO Blurb: The Atlantic Multidecadal Oscillation as calculated by the NOAA ESRL is North Atlantic SST anomalies that have been detrended. Since OI.v2 SST data begins in November 1981, it does not seem appropriate to use a 28-year trend on a cycle that lasts about 60 years, so I am NOT presenting the AMO. Using North Atlantic SST anomalies as a reference, the AMO will have continued its drop in April. Scroll down for the North Atlantic SST anomalies.
NOTE ABOUT THE DATA
The MONTHLY graphs illustrate raw monthly OI.v2 SST anomaly data from November 1981 to May 2009.
MONTHLY INDIVIDUAL OCEAN AND HEMISPHERIC SST UPDATES
http://i40.tinypic.com/t8xkba.jpgNorthern Hemisphere
Monthly Change = -0.026 deg C
#####
http://i42.tinypic.com/29zrddj.jpgSouthern Hemisphere
Monthly Change = +0.085 deg C
#####
http://i41.tinypic.com/xmnbkm.jpgNorth Atlantic (0 to 75N, 78W to 10E)
Monthly Change = -0.070 deg C
#####
http://i39.tinypic.com/291jo6o.jpgSouth Atlantic (0 to 60S, 70W to 20E)
Monthly Change = +0.062 deg C
#####
http://i41.tinypic.com/2rypumh.jpgNorth Pacific (0 to 65N, 100 to 270E, where 270E=90W)
Monthly Change = -0.056 Deg C
#####
http://i40.tinypic.com/14j0q4k.jpgSouth Pacific (0 to 60S, 145 to 290E, where 290E=70W)
Monthly Change = +0.081 deg C
#####
http://i42.tinypic.com/n5gc9z.jpgIndian Ocean (30N to 60S, 20 to 145E)
Monthly Change = +0.013 deg C
#####
http://i39.tinypic.com/2zr3h5f.jpgArctic Ocean (65 to 90N)
Monthly Change = +0.194 deg C
#####
http://i43.tinypic.com/2yvwe3r.jpgSouthern Ocean (60 to 90S)
Monthly Change = +0.079 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 +0.039 deg C.
http://i41.tinypic.com/j0zg5k.jpgWeekly 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
