Area forecast discussion, National Weather Service, Norman Forecast Office
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
1016 PM CST SUN DEC 23 2012
.UPDATE…
AGAIN… NO SIGNIFICANT UPDATES NEEDED TO THE PACKAGE ALTHOUGH
HAVE MADE SOME SMALL ADJUSTMENTS TO THE GRIDS.
MODELS STILL SHOWING SOME DIVERSITY IN THE SOLUTION OF THE
CHRISTMAS WINTER STORM… BUT IN GENERAL TERMS STILL AGREE WITH
THE TRENDS THAT THE DAY SHIFT MADE TO THE FORECAST. EXPLICIT SNOW
AMOUNT FORECASTS FROM THE NAM ARE STILL VERY HIGH… BUT
EXPERIENCE HAS SHOWN THAT THESE EXPLICIT FORECASTS ARE TYPICALLY
SIGNIFICANTLY TOO HIGH.. ESPECIALLY WHEN THE TEMPERATURE PROFILE
IS RIGHT NEAR THE TRANSITION FROM RAIN TO SNOW… SO HAVE NOT PUT
MUCH WEIGHT IN THESE HIGH NUMBERS. STILL LOOKS LIKE A BAND OF 4 TO
6 INCHES WILL LIKELY OCCUR SOMEWHERE ON CHRISTMAS.
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