The nation's weather

[December 07, 2010]  (AP)  The weather across the nation was forecast to remain relatively unchanged Tuesday.

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Systems were expected to linger over both the Northeast and Northwest, while a ridge of high pressure builds over the center of the country. The low pressure system in the Northeast would move northward and farther into eastern Canada. The backside of this system was forecast to create strong winds as it rapidly pulled cold air in from Canada. As this air picked up moisture over the Great Lakes, it would produce more lake-effect snowfall across the eastern shores. Another 2 to 4 inches of snow was expected across northeastern New York state, up to 6 inches in northeastern Pennsylvania and near 2 inches across northern Ohio and northern Michigan. Strong winds with gusts up to 30 mph were anticipated over most of the Great Lakes and Northeast. Highs would remain in the 20s across the region.

To the south, this system was forecast to push cold air down the East Coast. Mild moisture associated with this system would kick up high elevation snow across the Appalachians, with accumulation ranging between 2 to 4 inches. Due to strong winds with gusts up to 25 mph likely, the region remained under a wind chill advisory. Wind chill temperatures may reach between 5 to 10 degrees below zero. Blizzard conditions were likely across mountain passes, so caution was urged while driving in these conditions. A hard freeze advisory was in effect across the Southeast as overnight lows were forecast to dip into the lower 20s. Temperatures were expected to remain below freezing for at least 10 to 12 hours over much of the Southeast.

Meanwhile in the West, a stagnant low pressure system continued spinning in the Pacific Ocean. This system would push a cold front onshore Tuesday, which was expected to kick up scattered rain and high-elevation snow showers over the Pacific Northwest and northern California. Rainfall totals were forecast to range between 0.50 and 1.50 inches across the region.

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Online:

Weather Underground: http://www.wunderground.com/

National Weather Service:
http://iwin.nws.noaa.gov/

Intellicast:
http://www.intellicast.com/

[Associated Press article from Weather Underground]

Copyright 2009 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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