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Wednesday, December 3, 2008

November 2008 SST Update

I’ve moved to WordPress.  This post can now be found at November 2008 SST Update
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UPDATE - December 5, 2008

I've added the NINO3.4 SST anomaly graph based on monthly data back into the list. It follows the NINO3.4 graph based on weekly data.

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All graphs, other than first NINO3.4 SST anomaly graph, illustrate raw monthly OI.v2 SST data from November 1981 to November 2008. The first NINO3.4 SST anomaly graph illustrates raw weekly data that’s centered on Wednesdays, from January 3, 1990 to November 26, 2008.

The monthly change in Global SST anomalies was approximately -0.064 deg C, driven primarily by the Southern Hemisphere. The one-year change since November 2007 was approximately +0.12 deg C, a rebound from the ENSO induced dip last year. Present NINO3.4 SST anomalies are still hovering close to the threshold of a minor La Nina.

GISTEMP is the only data set to use the OI.v2 SST data for the calculation of Global Surface Temperature Anomalies.

NINO3.4 SST ANOMALIES BASED ON WEEKLY OI.v2 SST DATA


http://i37.tinypic.com/246q8h0.jpg
NINO3.4 SST Anomaly (WEEKLY DATA) Present Value = -0.399
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MONTHLY OI.v2 SST UPDATES
http://i35.tinypic.com/r88rib.jpg
NINO3.4 SST Anomaly (MONLTHY DATA) – Monthly Change = +0.077 deg C
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http://i36.tinypic.com/29m6alj.jpg
Global SST – Monthly Change = -0.064 deg C
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http://i38.tinypic.com/2hnp8c0.jpg
Northern Hemisphere – Monthly Change = -0.026 deg C
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http://i35.tinypic.com/mijjoz.jpg
Southern Hemisphere – Monthly Change = -0.094 deg C
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http://i35.tinypic.com/wks3gp.jpg
North Atlantic (0 to 75N, 78W to 10E) – Monthly Change = -0.022 deg C
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http://i35.tinypic.com/im8npe.jpg
South Atlantic (0 to 60S, 70W to 20E) – Monthly Change = -0.086 deg C
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http://i36.tinypic.com/1yp9bc.jpg
North Pacific (0 to 65N, 90 to 180W) & (0 to 65N, 100 to 180E) – No Change
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http://i36.tinypic.com/x5dzzq.jpg
South Pacific (0 to 60S, 70 to 180W) & (0 to 60S, 145 to 180E) –
Monthly Change = -0.071 deg C
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http://i36.tinypic.com/zno5q9.jpg
Indian Ocean (30N to 60S, 20 to 145E) – Monthly Change = -0.111 deg C
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http://i37.tinypic.com/qq92jn.jpg
Arctic Ocean (65 to 90N) – Monthly Change = -0.155 deg C
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http://i35.tinypic.com/ictnjd.jpg
Southern Ocean (60 to 90S) – Monthly Change = -0.113 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

7 comments:

Bill Illis said...

Hi Bob,

Can you change the time period covered in the Nino 3.4 chart to match the timeline on all the other charts.

I would like to be able to position the cursor over the 1998 El Nino for example and then scroll up and down to see what the lags are in the other oceans.

Mainly, I note the Northern Pacific SSTs seem to LEAD the 1998 El Nino which I have not seen anyone write before. I want to see if that kind of pattern repeats (and if other lag/lead patterns repeat).

Bob Tisdale said...

Bill: Also note the significant drop in South Atlantic SST anomaly a year before the 97/98 El Nino. It showed up big time in a graph by Carl Wolk:
http://climatechange1.wordpress.com/2008/11/29/how-enso-rules-the-oceans/
I hope to post on that in a few days.

BTW: Carl did a great job in that post. He removed the ENSO signal from the lots of individual ocean data sets.

Ric Werme said...

What period does the monthly change cover? Clearly it's not Nov 1981-2008 in several plots.

I'm going to add a link to here at http://www.sciencenews.org/index/generic/activity/view/id/39511/title/Warmer_oceans_would_fuel_more_thunderstorms_

Bob Tisdale said...

Ric: I'll clarify "Monthly Change" in the next update. It's November 2008 Anomaly MINUS October 2008 Anomaly.

Thanks for the link.

Happy holidays.

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