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Mesoscale Discussion 87
MD 87 graphic
   
   MESOSCALE DISCUSSION 0087
   NWS STORM PREDICTION CENTER NORMAN OK
   0911 AM CST SUN FEB 16 2003
   
   AREAS AFFECTED...NWRN SC...MUCH OF CENTRAL AND WRN NC...EXTREME
   SWRN VA
   
   CONCERNING...FREEZING RAIN AND SLEET 
   
   VALID 161511Z - 162145Z
   
   CORRECTED TO INCLUDE SRN VA
   
   FREEZING RAIN WILL OVERSPREAD NWRN SC AND MUCH OF CENTRAL AND WRN
   NC BETWEEN 15-18Z.  HOURLY RATES WILL AVERAGE 0.05 TO 0.10 IN/HR.
    SLEET WILL BE LIKELY AS WELL...ESPECIALLY OVER NRN SECTIONS OF
   THE DISCUSSION AREA.
   
   SUB-FREEZING SURFACE AIR HAS MOVED SWD INTO EXTREME NWRN SC AS
   AREA OF PRECIPITATION ASSOCIATED WITH SHORTWAVE TROUGH AND LOW
   LEVEL WAA DEVELOPS NEWD OUT OF GA.  NELY WINDS IN THE BOUNDARY
   LAYER / CAA / WILL KEEP THE FREEZING LINE FROM MOVING BACK NORTH
   EVEN AS WAA INTENSIFIES ABOVE IT.  ALL THIS WILL MAINTAIN A
   FAVORABLE THERMODYNAMIC SETUP FOR FREEZING RAIN.  SLEET WILL ALSO
   BE LIKELY...ESPECIALLY WITHIN SURFACE COLD AXIS WHERE COLD AIR IS
   DEEPEST AND FURTHER N INTO SRN VA.
   
   ..JEWELL.. 02/16/2003
   
   
   35537909 34858023 34768098 34868173 34878241 35148307
   35878284 36888102 36947914 36217851 
   
   
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