Rain, Snow Spin through California

By Brian Edwards, Meteorologist
Jan 23, 2012; 10:56 AM ET
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The parade of storms which has blasted the Northwest since last week will send a shot of rain and mountain snow through central and Southern California.

A piece of energy associated with a low pressure system will continue to slide into central and northern California today.

Snow levels in the Sierra Nevada will fall this morning to between 4,000 and 5,000 feet as colder air filters in.

Donner Pass could pick up a fresh 1 to 2 feet of snow from Monday with many areas above 6,000 feet receiving similar amounts. Snow and rain was falling at Reno, Nev. this morning.

Between 4,500 and 6,000 feet, an average of 6-12 inches of snow is expected.

The rain will continue to affect cities from Fresno through Los Angeles and will even reach San Diego.

Fresno could pick up 1/2 to 1 inch of rainfall, while lighter amounts are expected across Southern California.

Rain is a big deal across Southern California and even light rain and a few showers can lead to slippery travel on Interstate 5 and Interstate 10 during the day Monday.

Rain and mountain snow will taper off from northwest to southeast across California this afternoon and evening leading to a return of dry weather for the middle of the week.

Briefly Dry for the Pacific Northwest

While a shot of wet weather affects California today, the Pacific Northwest will welcome a brief dry period.

The jet stream will briefly lift northward today and tonight directing Pacific moisture into British Columbia.

Seattle and Portland will have a completely dry day for the first time in nine days!

However, the dry weather won't last too long as a new storm moves onshore during the day Tuesday, bringing more rain to the coast and snow to the Cascades.

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Daily U.S. Extremes

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High 89° Harlingen, TX
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Precip 2.56" Stampede Pass, WA

WeatherWhys®

Avalanches are caused by a number of factors. Thick layers of snow and ice of varying intensity along a mountainside are weakened by the force of gravity and changing weather conditions. At some point, this large mass of snow is released down the mountain in a form of an avalanche.

This Day In Weather History

New England (1802)
Great snowstorm raged over New England. 4 foot depths piled up north of Boston, three large Indiamen wrecked on Cape Cod.

S.W. Ohio (1962)
Severe glaze storm: Ice 1" thick, $1 million property damage.

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2/23/2012 11:07:53 AM /news-entry.asp 4 .75.114 (accuweather)-- [new]