2005 Warmest September on Record - Democratic Underground

Viking12

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Fri Oct-14-05 08:05 AM
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2005 Warmest September on Record

September was the warmest on record, the anomalies with a base period 1951-1980 being #1 2005 (0.60°C), #2 2003(0.54°C), #3 2004 (0.47°C). The mean temperature anomalies for the first nine months of the year are #1 1998 (0.60°C), #2 2005 (0.580°C) and #3 2002 (0.579°C).

http://data.giss.nasa.gov/gistemp/graphs/

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hatrack

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Fri Oct-14-05 08:06 AM
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1. Well, there's a surprise

NOT.

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Dogmudgeon

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Fri Oct-14-05 10:52 AM
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2. 0.6°C anomalies -- just over 1.0°F

One Farenheit degree in a period of 40 years, with the trend itself accelerating since the mid-1990s (the particular charts on the NASA page don't show it well).

The real acceleration seems to be the level of atmospheric CO₂. It's nearly 400 ppm, and over the past 900,000 years, the critical point for rapid climate change (often as a Heinrich Event) has been 400-500 ppm, although current climate change does not appear to be either the beginning of an Heinrich or a Dansgaard-Oeschger event.

--p!

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