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MESOSCALE DISCUSSION 0537
NWS STORM PREDICTION CENTER NORMAN OK
0336 PM CDT FRI APR 19 2013
AREAS AFFECTED...MUCH OF CNTRL VA
CONCERNING...TORNADO WATCH 130...131...
VALID 192036Z - 192230Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 130...131...CONTINUES.
SUMMARY...THE SEVERE THREAT IS LIKELY TO INCREASE ACROSS MUCH OF
CNTRL AND S CNTRL VA WITH DAMAGING WIND AND A TORNADO OR TWO
POSSIBLE.
DISCUSSION...A LINE OF THUNDERSTORMS WITH EMBEDDED CIRCULATIONS WILL
CONTINUE TO MOVE ENEWD INTO CNTRL VA POSING A DAMAGING WIND
THREAT...WHILE SUPERCELLS ACROSS N CNTRL NC ALSO MOVE INTO S CNTRL
AND EVENTUALLY SERN VA. THESE STORMS WILL BE MOVING INTO A SLIGHTLY
HIGHER THETA-E SURFACE AIR MASS WHERE TEMPERATURES HAVE WARMED INTO
THE 80S F AND DEWPOINTS REMAIN IN THE MID 60S F. LATEST VWP OUT OF
RAX AND AKQ BOTH SHOW VERY FAVORABLE WIND PROFILES FOR SUPERCELLS
AND ATTENDANT TORNADO THREAT DESPITE MARGINAL INSTABILITY.
..JEWELL.. 04/19/2013
ATTN...WFO...PHI...AKQ...LWX...RNK...
LAT...LON 36577775 36578033 39687830 39697564 36577775
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