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MESOSCALE DISCUSSION 0265
NWS STORM PREDICTION CENTER NORMAN OK
0731 PM CDT WED MAR 25 2009
AREAS AFFECTED...HILL COUNTRY INTO SERN TX
CONCERNING...TORNADO WATCH 63...
VALID 260031Z - 260130Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 63 CONTINUES.
SEVERE/ISOLD TORNADO THREAT CONTINUES FOR ERN PORTION OF WW63. AN
ADDITIONAL WW HAS BEEN ISSUED DOWNSTREAM OF THE CURRENT CONVECTION.
CONVECTION CONTINUES TO PROGRESS EWD ACROSS THE HILL COUNTRY INTO
SERN TX AHEAD OF A SUBTLE SHORT WAVE...NOTED ON WV IMAGERY NEAR THE
HILL COUNTRY...AND AHEAD OF THE MAIN UPPER TROUGH. ALTHOUGH IT HAS
DEVELOPED INTO A QUASI-LINEAR SEGMENT...THE OVERALL ENVIRONMENT
REMAINS CONDUCIVE TO ISOLD TORNADOES...ESPECIALLY NEAR THE
RETREATING WARM FRONT JUST NORTH OF DWH AND SSF. OCCASIONAL ROTATION
HAS BEEN OBSERVED RECENTLY...WITH A STRONGER MESO NOTED IN GRIMES
COUNTY CLOSER TO THE WARM FRONT. THE THREAT WILL CONTINUE TO
INCREASE OVER THE NEXT FEW HOURS AS THE LOW LEVEL JET INCREASES
AHEAD OF THE MAIN TROUGH.
..HURLBUT.. 03/26/2009
ATTN...WFO...LCH...SHV...HGX...FWD...EWX...
LAT...LON 30389462 29729559 29629723 30029726 30819626 31449550
31139461 30389462
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