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| Mesoscale Discussion 164 |
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MESOSCALE DISCUSSION 0164
NWS STORM PREDICTION CENTER NORMAN OK
0204 PM CST FRI FEB 27 2009
AREAS AFFECTED...SERN AL...SW GA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 272004Z - 272100Z
AN ADDITIONAL WW EAST OF TORNADO WW 38 IS NOT CURRENTLY ANTICIPATED
...BUT TRENDS WILL BE MONITORED.
MID/UPPER FORCING FOR ENHANCED CLUSTER OF STORMS...INCLUDING
ISOLATED SUPERCELLS...NOW NEAR THE MONTGOMERY AL AREA...IS UNCLEAR.
BUT...IT IS POSSIBLE THAT AN EAST-WEST ORIENTED OUTFLOW BOUNDARY
...ASSOCIATED WITH A DECAYING CONVECTIVE CLUSTER OVER CENTRAL
ALABAMA AND GEORGIA...COULD CONTRIBUTE TO FAVORABLE CONDITIONS TO
SUPPORT THE PROGRESSION OF VIGOROUS CONVECTIVE ACTIVITY SOUTHEAST OF
TORNADO WATCH 38. THIS WILL BE AIDED BY MOMENTUM ASSOCIATED WITH
30-40 KT WESTERLY DEEP LAYER MEAN FLOW. HOWEVER...IT CURRENTLY
SEEMS MOST PROBABLE THAT WEAK DESTABILIZATION IN THE IMMEDIATE WAKE
OF THE SLOWLY RETREATING WESTERN ATLANTIC SURFACE RIDGE WILL TEND TO
RESULT IN DIMINISHING CONVECTIVE POTENTIAL AS STORMS SPREAD ACROSS
SOUTHEAST ALABAMA INTO SOUTHWEST GEORGIA.
..KERR.. 02/27/2009
ATTN...WFO...FFC...TAE...BMX...MOB...
LAT...LON 32488612 32828535 32408412 31818381 31538426 31538493
31578603 31948682 32488612
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