I always thought hurricane-force winds could come from extratropical
cyclones or mid-latitude depressions too?? Has the thinking changed on this
recently.... please correct me if I'm wrong..

the usw glossary has this: Hurricane Force: This term (in UK Met Office use)
is only used in shipping bulletins and associated Gale/Storm warnings. It is
strictly defined as a mean (10 minute) wind of 64 knots or more. (Gusts not
defined) (See also comments at Severe Gale).

The USW FAQ has a distinction in 2B.1 too between tropical cyclones and deep
depressions. I'm confused now. HELP!

(:

Les

--
Les Crossan,
Wallsend, Tyne & Wear 55N 01-30W,
Home of the Wallsend Stormcam - http://www.uksevereweather.org.uk


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