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MESOSCALE DISCUSSION 0101
NWS STORM PREDICTION CENTER NORMAN OK
0129 PM CST WED FEB 11 2009
AREAS AFFECTED...THE NERN QUARTER OF AL/NRN GA AND VICINITY...
CONCERNING...TORNADO WATCH 17...
VALID 111929Z - 112130Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 17 CONTINUES.
SEVERE/ISOLATED TORNADO THREAT CONTINUES.
LATEST RADAR LOOP SHOWS SEVERAL BANDS LOW-TOPPED CONVECTION MOVING
RAPIDLY EWD AHEAD OF THE ADVANCING SURFACE FRONT. WHILE INSTABILITY
REMAINS BASICALLY NIL...STRENGTH OF THE LARGE-SCALE FORCING WILL
CONTINUE TO SUPPORT FORCED/RELATIVELY INTENSE CONVECTION.
WITH WIND FIELD THROUGH A DEEP LAYER WELL IN EXCESS OF 60 TO 80
KT...DAMAGING WIND GUSTS WILL REMAIN POSSIBLE. WITH THE CONVECTION
PROGRESSING ENEWD AT ROUGHLY 50 MPH...STORMS SHOULD BEGIN AFFECTING
AREAS E OF THE CURRENT WATCH IN THE NEXT 1 1/2 TO 2 HOURS -- WHICH
SHOULD EVENTUALLY REQUIRE NEW WW ISSUANCE.
..GOSS.. 02/11/2009
ATTN...WFO...GSP...MRX...FFC...OHX...BMX...HUN...
LAT...LON 32798713 33238730 35218626 35418258 34248282 32868398
32798713
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