On Wed, 05 May 2004 05:28:58 -0400, Cub Driver
wrote:

On 4 May 2004 18:27:56 GMT, Laurence Doering wrote:

Jet streams vary between about one and four hundred miles wide, and
one to three miles deep. Wind speeds of three hundred mph or greater
are possible in winter.

Fascinating stuff. Thanks.

(Must wreak havoc with arrival times in London! I suppose pilots must
get permission to ride a 300 mph jet stream? That could shave two
hours off a flight BOS-LON.)

It's standard to use the jetstream (a couple of minutes of bumps to
get inside, if the pilot is good/lucky/got good met data)

Transatlantic EW is several hours longer than WE for that reason.

Peter Kemp