SWOMCD
SPC MCD 241634
ARZ000-LAZ000-TXZ000-OKZ000-241730-
MESOSCALE DISCUSSION 0124
NWS STORM PREDICTION CENTER NORMAN OK
1034 AM CST THU FEB 24 2011
AREAS AFFECTED...PARTS OF ERN OK/TX...WRN AR AND NWRN LA
CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY
VALID 241634Z - 241730Z
THUNDERSTORMS ARE GRADUALLY INCREASING IN BOTH AREAL COVERAGE AND
INTENSITY WITHIN BROADER WARM CONVEYOR FROM THE I-35 CORRIDOR SOUTH
OF THE DFW METROPLEX...NWD INTO OK. THIS ACTIVITY IS EVOLVING
WITHIN A VERY STRONGLY SHEARED ENVIRONMENT THAT IS EXPECTED TO ONLY
STRENGTHEN INTO THE AFTERNOON HOURS AS LLJ INCREASES IN RESPONSE TO
DEEPENING CYCLONE. ALTHOUGH CONSIDERABLE CLOUDINESS IS OBSERVED
ACROSS THE WARM SECTOR IT APPEARS LARGE SCALE ASCENT/COOLING WILL
GRADUALLY STEEPEN LAPSE RATE ENVIRONMENT ENABLING NEAR-SFC BASED
CONVECTION TO ROOT INTO MORE BUOYANT BOUNDARY LAYER PARCELS.
SUPERCELLS AND POSSIBLE TORNADOES CAN BE EXPECTED...ESPECIALLY LATER
THIS AFTERNOON AS CONVECTION SPREADS INTO THE LOWER MS VALLEY.
..DARROW.. 02/24/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LZK...SHV...TSA...FWD...OUN...
LAT...LON 32029634 35599561 35039295 31689387 32029634
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