Eastern WA Weather UPDATE!!! First Storm on Track...

By: MrEsmond , 11:02 PM GMT on December 15, 2012

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Update 12/15/12 @630pm PST
Frontal band currently draped across the Columbia Basin stretching from the tri-cities, north through Othello, and up to the Grand Coulee Dam. Radar & Satellite shows the band has become much more organized and is producing light to moderate snowfall north of Interstate 90. The tri-cities area is mostly seeing rain with some mixing along Highway 395 between Spokane and Kennewick. The front will continue its eastward progression through the evening into tonight passing through greater Spokane between 8pm & midnight. Temperatures will be continuing a downward trend to near freezing or slightly below as we continue into the overnight hours with Wilbur currently reporting 30'F and snow sticking to the roads. The 174 corridor from Grand Coulee to Wilbur will be especially impacted. Please drive safely if you must travel tonight...

Discussion 12/15/12 @240pm PST
Frontal zone looks on track to spread across Eastern Washington through the remainder of the afternoon into tonight. The main band early this afternoon was trekking through Omak south through the Waterville Plateau into Kittitas Valley and Yakima Valley. On radar, it was rather unimpressive however the frontal band should become better organized as it continues its eastward progression away from the Cascades. Light snow was falling out ahead of it across the Upper Columbia Basin and Moses Lake. Light Snow was also reported falling across the northeast mountains. Accumulation within the frontal zone should be on the order of 2 to 4 inches with most valley locations with slightly higher amounts for the blues and northeast mountains. The exception to this is across Moses Lake, Lower Columbia Basin, tri-cities, and Wenatchee Valley where air temperatures were ranging from 34'F to 38'F, while road temperatures were also above freezing; limiting accumulations to under 1 inch.

Snow should taper off across the region after midnight with just some lingering snow showers near the blues and northeast mountains. A brief break will take place throughout tomorrow morning into the early afternoon before the next, much stronger & wetter storm system begins knocking on our doorstep by Sunday Evening.

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