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Old May 16th 08, 06:01 PM posted to uk.sci.weather
Dawlish Dawlish is offline
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First recorded activity by Weather-Banter: Mar 2008
Posts: 10,601
Default Very Unstable air

On May 16, 4:43*pm, MCC wrote:
On Fri, 16 May 2008 08:07:50 -0700 (PDT), Graham Easterling wrote:
Over Cornwall that is. Wind all over the place as Cb develop & fade,
mainly along the spine, and down the Lizard.


Temperature's around 15C in the sunny intervals. With the air this
unstable that's high enough to set off a sea breeze, so area's near
the north coast in particular could get some intense rain.


Graham
Penzance


Earlier this afternoon we had very heavy rain for a short time (15-20
minutes) up here in Stithians. Saves having to water my sweet peas!
--
MCC


It hasn't proved to be a great flash weather warning by the Met Office
for Devon this time. The activity has been further West. I know the
flash warning was for "the SW", but that stretches about 150 miles
from the East Devon border to Land's End! The flash warning map does
highlight Devon and it does say that the Met Office has an 80%
confidence of severe weather. This has been the 20% of the time when
they weren't right for my area, though they may well have been for
Cornwall. Still a couple hours to go, but little on the radar to
suggest severe weather here. It happens.