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Weather Journal

with Kevin Myatt

November may give us some chills

Posted Oct30, 2007 at 10:19 PM

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There could be some cold weather on the way maybe by next week some time. Two things are expected to happen that could funnel cold air southward. (1) High pressure will build through the western U.S. and even into Alaska, bringing very warm weather there, but dislodging the jet stream far to the south over the eastern U.S. (2) What is now Tropical Storm Noel will become part of a hybrid-extratropical kind of low pressure system that will move toward Newfoundland and, with its counterclockwise spin, pull cold air from around Hudson Bay southward.

When the Climate Prediction Center map shows a likelihood of below normal temperatures (see Tuesday's 6-10-day and 8-14-day forecast maps) for November, that can mean pretty chilly stuff. While the forecast maps also show it to be quite dry, I certainly wouldn't rule out the "s" word re-entering some area forecasts if there are a day or two of northwest winds whipping over the mountains, getting the upslope going with a dab of moisture off the very unfrozen Great Lakes. But ... I'm getting ahead of myself.

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Kevin Myatt works on the copy desk for The Roanoke Times and is its principal weather geek, writing a weekly weather column and advising the newsroom on weather topics. He helps guide students on a storm chasing trip to the central U.S. each May and was an editor for "Hurricanes and the Middle Atlantic States."

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