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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