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post #24 of Old 04-10-2012
SVAuspicious
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Re: Thunderstorm in Chesapeake Bay

Quote:
Originally Posted by andrewoliv View Post
RichH Can you elaborate on "updraft" and "downdraft"? I assume updraft is wind blowing towards the storm and down draft vice versa?
Updrafts and downdrafts are vertical movements of air up and down that result from significant pressure differences as a function of altitude.

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