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Old January 24th 16, 09:01 AM posted to uk.sci.weather
xmetman xmetman is offline
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First recorded activity by Weather-Banter: Jul 2015
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Default We might not have 2ft of snow but we do have 14°C!

I make the 1000-500 partial thickness 553.6 DAM at 0000 UTC in the Camborne ascent, which is very high for the end of January.

In comparison Upton (72501) on Long Island, New York has a 1000-500 thickness of only 535.5, the cold air is of course below 850 hPa of course, and the 1000-850 is 1278 M if my maths is correct.