By
Associated Press
Published: Fri, April 18, 2008 - 4:30 am
Last Updated: Fri, April 18, 2008 - 4:41 am
Last Updated: Fri, April 18, 2008 - 4:41 am
about the environment.
New research shows the jet stream is slowly creeping northward
and weakening. That could mean less rain in the already dry
Southern Hemisphere and more storms in the North.
The changing conditions could also translate into more and
stronger hurricanes. That's because the jet stream suppresses their
formation.
The study's authors say they have to do more research to
pinpoint specific consequences. They suspect global warming but
have yet to prove it. But they say if you want an idea of what kind
of weather you could be getting in a few decades, just look south
of where you are now.
The study is published in the journal Geophysical Research
Letters.
The jet stream is a high-speed, constantly shifting river of air
about 30,000 feet above the ground that guides storm systems and
cool air around the globe.
(Copyright 2008 by The Associated Press. All Rights Reserved.)
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