Ken Clark

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Storm Thoughts for Arizona-Welcomed Rain and Snow

December 12, 2012; 1:44 PM ET

The storm moving south through California today turns the corner and moves east Thursday and Thursday night. This is a little slower than a day or two ago.

This storm does look like it delivers a pretty good amount of precipitation whether you live in the deserts or the mountains. It has been a very dry fall/early winter so far that this storm is very welcomed. Since Oct. 1, Phoenix has only had 3 percent of its normal precipitation, Tucson 2 percent and even Flagstaff only half its normal rain and snow.

Rain and snow will develop from west to east across mainly Thursday night and continue into Friday morning before tapering and ending from west to east during the day Friday. The lower elevations get on average 0.25 to 0.50 of an inch of rain with perhaps double that in the Rim Country below the snow level. Speaking of snow. Snow levels start on the high side, around 6,500 to 7,000 feet but then drop to 5,000 to 5,500 feet by late Thursday night and Friday morning. Above 7,000 to 7,500 feet, expect 7-14 inches of snow with accumulations of 2-6 inches down to 6,000 feet. Some lighter snow could accumulate in spots below that behind the main band of precipitation.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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Ken Clark
Ken Clark's Western U.S. weather blog tackles daily weather events with commentary from one of the most experienced and trusted Western U.S. weather experts.