Weather across the nation: 12/30/12

4:28 PM, Dec 30, 2012   |    comments
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Snow showers tapered off across the Northeast through Sunday afternoon and evening hours on Sunday as the strong low pressure system impacting the region tracked northeastward and moved south of Nova Scotia today.

As this system moved away, wind remained quite strong all day as sustained speeds increased to 20-30 miles per hour and were accompanied by gusts as high as 45 miles per hour possible. The combination of strong wind and dry powdery snow led to significant blowing and drifting snow across the Upper Northeast through the evening.

Meanwhile, light lake-effect snow showers falling downwind of Lake Erie and Lake Ontario began to wind down through the evening as high pressure began to build in from the south.

To the south, high pressure prevailed across much of the Midwest, Eastern Valleys, and Southeast and maintained chilly temperatures across much of the region.

Meanwhile in the West, a low pressure system and it's associated waves of energy off the West Coast moved into the Southwest, triggering rain and mountain snow showers from the Desert Southwest through parts of the Four Corners. Impulses associated with this system moved eastward into the Southern Plains this afternoon and triggered chances of scattered precipitation in Oklahoma and Texas through Tuesday night.

SUNDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................72 Harlingen, Texas

HIGHEST HEAT INDEX (DEGREES F)..........................82 Keahole Point, Hawaii

LOWEST TEMPERATURE (DEGREES F)..........................-22 Kremmling, Colo.

LOWEST WIND CHILL (DEGREES F)...........................-52 Point Lay, Alaska

HIGHEST WIND GUST (MPH).................................101 Mt. Washington, N.H.

HIGHEST PRECIPITATION (INCHES)..........................0.71 Seward, Alaska

ON THIS DATE....... The "Great World War I Cold Wave" swept through the East, plunging temperatures in cities below zero on this date in 1917. Lows of -13 and -15 degrees were recorded at New York City and Boston, respectively. West Virginia (-17 degrees) and Tennessee (-32 degrees) record their coldest temperatures ever.

The Associated Press

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