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The Jet Stream And Delays  
User currently offlinePacific From Hong Kong, joined Mar 2000, 1051 posts, RR: 0
Posted (12 years 9 months 1 week 3 days 17 hours ago) and read 1023 times:

My Geography textbook says that there has to be a jetstream blowing eastwards at 240mph for tornadoes to form.
I'm wondering because such winds should throw transcontinental air traffic into a mess as there would be serious delays on the west coast. Are there times when all westbound transcons become seriously delayed?

Pacific

1 replies: All unread, jump to last
 
User currently offlineAlaskaMVP From United States of America, joined Jun 2001, 150 posts, RR: 0
Reply 1, posted (12 years 9 months 1 week 3 days 8 hours ago) and read 994 times:

Hmm, I don't know the exact answer to your question, but I just came back from Japan, flying Seattle to Tokyo (Narita) and back on a UAL 777 (wonderful flight and crew).

The flight over had a headwind that hit 175 MPH at one point, it took us about 11 hours. The flight back had a tailwind that hit 225 MPH briefly, and we landed after about 7 & 1/2 hours. So I don't know if the jetstream ever leads to delays on transcontinental flights, but certainly makes quite a bit of difference in time! Note how transcon non-stops are always an hour longer in one direction (traveling west I believe)...


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