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Old August 25th 11, 09:52 PM posted to uk.sci.weather
Nick[_3_] Nick[_3_] is offline
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First recorded activity by Weather-Banter: Apr 2009
Posts: 956
Default Rapid onset of rain

Southampton - Around 2100BST: clear sky still visible to north; around
2030BST, some patches still visible more or less overhead. Just
started raining quite heavily, none of your prolonged Ci/Cs/As
sequence with this one...

Can't remember a time when we've had so many frontal waves moving in
from the SE into Atlantic air repeatedly. This "back side of the
plume" setup must be highly unusual.

Nick