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Mesoscale Discussion 222 |
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MESOSCALE DISCUSSION 0222
NWS STORM PREDICTION CENTER NORMAN OK
0637 PM CST FRI MAR 02 2012
AREAS AFFECTED...ERN KY THROUGH WRN HALF OF WV AND EXTREME SWRN VA
CONCERNING...TORNADO WATCH 58...62...
VALID 030037Z - 030200Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 58...62...CONTINUES.
THREAT FOR STRONG TORNADOES...DAMAGING WIND AND VERY LARGE HAIL WILL
CONTINUE THROUGH MID EVENING THROUGH THE REMAINDER OF ERN KY...THE
WRN HALF OF WV INTO SWRN VA.
SEVERAL TORNADIC SUPERCELLS CONTINUE THROUGH ERN KY...WRN WV AND
SWRN VA WITHIN AN ENVIRONMENT CHARACTERIZED BY VERY LARGE 0-1 KM
HODOGRAPHS...60-70 KT EFFECTIVE BULK SHEAR AND 500 J/KG MLCAPE.
TENDENCY HAS BEEN FOR SOME STORMS TO EVOLVE INTO LINES...BUT A FEW
DISCRETE SUPERCELLS REMAIN AHEAD OF THE LINE. THE UPSCALE GROWTH
WILL INCREASE THE POTENTIAL FOR DAMAGING WIND...BUT THREAT FOR
TORNADOES WILL PERSIST WITH ANY SUPERCELLS EMBEDDED WITHIN OR AHEAD
OF THE LINE.
LATEST SURFACE ANALYSIS INDICATES A WEDGE FRONT PERSISTING FROM WRN
NC INTO ERN WV. THE SURFACE LAYER EAST OF THIS BOUNDARY IS STABLE
WITH TEMPERATURES IN THE 40S TO AROUND 50F...SUGGESTING THE STORMS
SHOULD BEGIN TO WEAKEN LATER THIS EVENING AS THEY CROSS INTO THE
COOLER AIR OVER ERN WV AND FARTHER EAST INTO VA.
..DIAL.. 03/03/2012
ATTN...WFO...RNK...RLX...MRX...JKL...
LAT...LON 38938119 38648085 37968173 36988175 36618216 36588352
36988425 38408219 38938119
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