On Oct 20, 11:46*pm, Len Wood wrote:
On Oct 20, 11:14*pm, "Will Hand" wrote:





"Len Wood" wrote in message

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On Oct 20, 6:18 pm, "Will Hand" wrote:

"Dawlish" wrote in message

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All shifted east from here now. It's been a pretty foul day with some
blustery winds and 8mm of rain in Teignmouth. It's not possible to
judge whether the whole weather warning was justified, as it covered a
very wide area and someone within that area may have got some severe,
or extreme weather. It certainly wasn't justified for this particular
location, though the weather did get interesting for a short while.

Nothing special up here in Haytor. Only 13.0 mm total and briefly just 45
mm/h rate. A tad breezy at times but nothing for Dartmoor. I doubt the
locals would have noticed today's event very much. :-)

Will (Haytor, Devon, 1017 feet asl)
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How come your rain today total on your webpage shows 9.1 mm Will? Do
you measure manually as well?

Len
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Oh yes I do it properly with a 5" gauge. AWS is fine for rates but you need
a check gauge for accurate totals, especially at altitude in exposed
conditions where the elevated AWS can seriously under-read.

Will
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Thought so Will.

Perhaps we can come to some conclusion about this thread which started
with Graham querying the UKMO severe weather warning . Issued at 0800,
the timing was incorrect, at least for west Cornwall. A warning was
given for 25mm or more. This occurred in places (see Colin Youngs
posting) with Chivenor getting 37 mm. Most of us on the south coast
did not get anyway near this. 8.2 mm here in Wembury (82 m asl) and
not much more at Postbridge 14.2 mm (369 asl) on Dartmoor. Clearly
more deep convection was embedded further north as the front passed.
Ascent over high ground seemed unimportant. All in all it was severe
weather, but not for many. The usual story in fact. Impossible to
forecast to better than 100 km. We are told that numerical models can
do this, but no one is prepared to stick their neck out yet.

Len
Wembury, SW Devon- Hide quoted text -

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Just about my feelings too. A good summary. Some areas received 25mm
within the large forecast area, so the warning was technically
correct. Is 25-40mm of rainfall severe? That's a different matter and
the rainfall certainly wasn't "extreme" for anyone in the SW. In the
end, there was no severe weather for the majority of people that live
in those two forecast areas of Cornwall and Devon. It was a pretty
foul, fairly wet and fairly windy day, for most and it was very wet
for a short time, for most, but no more.