Well according to UKMO outputs. On the face of it we have the continuation of
high pressure, but .... if you calculate the thickness from the 500 mb height
field you will see a 528 DAM cold pool migrating NW'wards on Tuesday across SW
England and Wales. Cold pools can give an hour or two of continuous snow
especially if it is deep and extends to 300 hPa level (which I cannot see), but
certainly something to watch out for despite the high pressure. Sea temps. could
enhance the snow too maybe giving substantial falls over high ground SW England
and Wales given the cold surface feed off the continent.

Will.
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A COL BH site in East Dartmoor at Haytor, Devon 310m asl (1017 feet).

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