Weather across the nation on November 21, 2016

A cold frontal boundary extended south southwestward from the upper Intermountain West to the Southwest.

As this frontal boundary transitioned eastward, it generated widespread rain in the Intermountain West, the Great Basin and the Southwest. Los Alamitos, Calif., reported a midday total of 0.72 of an inch of rain. Flagstaff, Ariz., reported a midday total of 0.71 of an inch of rain.

High elevation snow also affected many states on Monday. Squaw Valley, Calif., reported a midday total of 6.0 inches snow. Elk Park, Colo., reported a midday total of 8.5 inches of snow. Additionally, an onshore flow from the Pacific kept showery weather in the picture for the coasts of Washington, Oregon and northern California.

Just to the east, showers and embedded thunderstorms began to develop from the southern high Plains to the northern Plains. High pressure kept most states across the Mississippi Valley, the Deep South and the Southeast clear of precipitation.

Meanwhile, a frigid air mass swept across the relatively warm waters of the Great Lakes, which resulted in lake effect snow downwind of Lake Ontario and Lake Erie. Lake effect snow warnings were issued for northeast Pennsylvania and New York. Winter storm warnings were also issued Upstate New York and western New England. Macedon, N.Y. reported a midday total of 17.0 inches of snow. Susquehanna, Pa., reported a midday total of 15.2 inches of snow..

MONDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................84 Edinburg, Texas

HIGHEST HEAT INDEX (DEGREES F)..........................85 Kahului, Hawaii

LOWEST TEMPERATURE (DEGREES F)..........................3 Grand Marais Airport, Minn.

LOWEST WIND CHILL (DEGREES F)...........................-73 Unalakleet, Alaska

HIGHEST WIND GUST (MPH).................................54 Middletown, Pa.

HIGHEST PRECIPITATION (INCHES)..........................0.98 Binghamton, N.Y.

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© 2017 Associated Press


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