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December 22, 2012

Latest on potential snow for Christmas Day

GREENVILLE — The National Weather Service has issued the latest update this afternoon concerning the potential of snow on Christmas Day Tuesday. While the forecast has been changing back and forth pretty much all day and the forecasters admitted they are nowhere near certain if or when snow may fall in the area, they say that as of now, much of North Texas could see an accumulation of snow on the ground:

 

..WINTER WEATHER OUTLOOK FOR DECEMBER 25TH...

A STRONG STORM SYSTEM IS EXPECTED TO MOVE ACROSS THE REGION ON CHRISTMAS DAY. BASED ON THE LATEST FORECAST DATA...THERE WILL BE A GOOD CHANCE OF A COLD RAIN ON CHRISTMAS DAY ACROSS NORTH AND CENTRAL TEXAS. ALONG AND TO THE NORTH OF I-20...ATMOSPHERIC PROFILES WILL BECOME COLD ENOUGH FOR THE RAIN TO MIX WITH OR CHANGE OVER TO SNOW DURING THE AFTERNOON AND EVENING HOURS. THE LATEST MODEL GUIDANCE SUGGESTS SNOWFALL ACCUMULATIONS UP TO 2 INCHES ARE POSSIBLE CHRISTMAS AFTERNOON AND EVENING ALONG AND NORTH OF A BOWIE TO EMORY LINE. SOUTH OF THIS LINE...LIGHT ACCUMULATIONS OF SNOW ARE POSSIBLE.

AS THE CHANGE OVER TO SNOW OCCURS...NORTHWEST WINDS ARE EXPECTED TO INCREASE IN SPEED TO 20 TO 30 MPH. ANY SNOW ACCUMULATIONS WILL BLOW AROUND IN THESE WINDS...WHICH MAY REDUCE VISIBILITY IF TRAVELING AFTER SUNSET ON CHRISTMAS DAY.

AS OF THIS AFTERNOON...THE UPPER LEVEL STORM SYSTEM WAS ENTERING THE PACIFIC NORTHWEST. AT THIS TIME...THERE STILL REMAINS A GREAT DEAL OF UNCERTAINTY REGARDING THE EXACT TRACK AND ANY ASSOCIATED WINTRY PRECIPITATION FALLING OVER NORTH TEXAS ON CHRISTMAS DAY. IF THE TRACK OF THE SYSTEM WERE TO SHIFT FARTHER SOUTH...THE

POTENTIAL FOR HIGHER SNOWFALL ACCUMULATIONS ACROSS THE REGION WOULD INCREASE AND THE RAIN/SNOW LINE WOULD SHIFT FARTHER TO THE SOUTH.

IN ADDITION TO THE WINTER PRECIPITATION POTENTIAL...THERE IS ALSO A THREAT FOR SOME SEVERE STORMS EARLY CHRISTMAS MORNING AND POSSIBLY INTO THE DAY ON THE 25TH. THE THREAT FOR SEVERE WEATHER

AT THIS TIME IS MAINLY SOUTH OF I-20 AND EAST OF I-35. THE DETAILS OF THE SEVERE WEATHER POTENTIAL ARE JUST NOW COMING TO FRUITION AND WILL ALSO BE REFINED OVER THE NEXT FEW DAYS.

BOTTOM LINE...WINTRY PRECIPITATION IS POSSIBLE MAINLY ALONG AND NORTH OF THE I-20 CORRIDOR FOR THE AFTERNOON AND EVENING HOURS OF CHRISTMAS DAY. SOME SNOW ACCUMULATIONS UP TO 2 INCHES ARE POSSIBLE ALONG AND NORTH OF A BOWIE TO EMORY LINE. CHECK BACK FOR THE LATEST FORECAST UPDATES IN THE COMING DAYS AS THESE DETAILS ARE VERY LIKELY TO CHANGE WITH FUTURE FORECASTS.

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