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Old January 27th 04, 07:37 PM posted to uk.sci.weather
boro_boy boro_boy is offline
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Posts: 64
Default Severity of Frost

just started snowing in middlesbrough

http://www.myfootballforum.com/webcam.php

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Thanks
Regards
M C Yates
http://www.myfootballforum.com


"John Whitby" wrote in message
...
A screen temp of -3 becomes moderate with wind of only 2 knots, severe

with
9 knots and very severe with wind greater than 14 knots. Terms such as
'penetrating' etc can be used if forecaster deems it appropriate.
Source FRB 1993
Incidentally in Calm conditions 3.5 is moderate, 6.5 is severe and
11.5
very severe.
Terminology may have changed over the years...
Cheers
John
(ps moon still visible here but getting ever hazier)
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