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Old December 22nd 03, 09:49 PM posted to uk.sci.weather
lawrence Jenkins lawrence Jenkins is offline
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Default Too cold to snow?


"Jack Harrison" wrote in message
...
Land temperatures have been too low to trigger convection. The North Sea
however is still at around 10 degrees, more than enough. Consequently,

the
snow showers have to a very large extent been confined to coastal

districts
and a short way inland. I doubt that any showers were actually GENERATED
over the cold land.

So in situations like Monday morning, "too cold to snow" has a ring of

truth
about it.

Jack


Jack my instincts tell me that many a severe cold spell back in my youth
were very cold indeed. Now call me naive and stupid but I also thought the
classic parttern for really heavy snow was a high over europe scandinavia
and an atlantic depression trying to push in creating heavy snow for the
south as it hit the dense cold air.. Being old fashioned I then believed
that temps can rise as this happens.
As for Monday morning was'nt that a totally differnet set up? with a cold
arctic air stream bringing in the heavy showers of the north sea.

Have I got hold of the wrong end of the stick again?