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Weather across the nation: 12/5/12

5:49 PM, Dec 5, 2012   |    comments
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The last disturbance in a recent slew of Pacific storms trekked through the West on Wednesday with another batch of wet and windy weather.

A Pacific cold front moved inland through the Intermountain West and reached the Northern Rockies by the afternoon, while the southern tail of this boundary dropped across northern and central California.

Moisture and energy associated with this disturbance led numerous widely scattered showers ahead of the boundary, with moderate to heavy snow expected in the areas of the Northern Rockies as it progressed inland. Precipitation in much of the region was expected to wind down through the afternoon as moisture from the Pacific becomes cut off.

Meanwhile, in the East, showers and few southern thunderstorms pushed through the Eastern Seaboard and the Gulf Coast States on Wednesday as a cold front pushed eastward through the eastern third of the nation.

As this system passed, colder and drier air spread into the Midwest and caused daytime highs to drop significantly from yesterday's mid-60s temperature readings and return to near normal values of lower to mid-40s for early December. Only a few light, lake enhanced snow showers developed downwind of the Lower Great Lakes during this cold air transition.

WEDNESDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................81 Tampa Macdill AFB, Fla.

HIGHEST HEAT INDEX (DEGREES F)..........................82 Tampa Macdill AFB, Fla.

LOWEST TEMPERATURE (DEGREES F)..........................3 Silver Bay, Minn.

LOWEST WIND CHILL (DEGREES F)...........................-46 Unalakleet, Alaska

HIGHEST WIND GUST (MPH).................................79 Mt. Washington, N.H.

HIGHEST PRECIPITATION (INCHES)..........................1.22 Blue Canyon, Calif.

ON THIS DATE....... Even though an intense storm was located near Alaska on this date in 1968, its effect was felt as far south as Hawaii. Swells from the storm created high surf near Hilo, HI and swept rocks and seawater into some buildings at Onekahakaha Beach. At its highest point, water reached 150 feet above the high-tide mark.

The Associated Press

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