May 18, 2013
***Very Cold Weather Continues For Much Of The Eastern U.S.***
***Wintry Precipitation For The Appalachians And Mid-Atlantic***
***Light Rain And Mountain Snow For The West***
A Developing Surface Low Along The Western End Of The Cold Front
Is Forecast To Lift Northeastward To The Tennessee Valley/Lower
Mississippi Valley By Friday Morning.
Light To Moderate Rain Is Expected Over Parts Of The Deep South And Light Snow Will Likely Develop Over Parts Of The Southern Ohio Valley And Into The Mid-Atlantic By Friday.
An Area Of Freezing Rain And Sleet Is Forecast For The Southern Appalachians Region On Friday Morning As Moist Southerly Flow Over-Rides Colder Air Near The Surface.
Temperatures Are Expected To Remain Below Average For Much Of The Central And Eastern U.S. Through The End Of The Week.
Out West, A Storm System Moving Over The Pacific Northwest Will
Move Eastward To The Upper Midwest By Friday.
Periods Of Rain And Mountain Snow Are Likely From The Pacific Northwest To Southern California Early In The Forecast Period.
Snow Will Also Develop Over The Higher Elevations Of The Great Basin/Northern Rockies On Thursday, And Decreasing In Coverage After That.
Additionally, Snow Is Likely To Develop Over Parts Of The Northern Plains On Thursday And Move Into The Upper Great Lakes By Friday Morning.
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