Flight from L.A. to London reaches 801 mph as a furious jet stream packs record-breaking speeds
(LA Times Dodgers)

Tuesday is a nice day across the Northeast. Temperatures near 40 in New York, light winds out of the north at 5 mph to 10 mph, and wall-to-wall sunshine sound like a tranquil day - especially by February standards. But high up in the atmosphere, it`s a different story. The jet stream, the high-altitude...