NWS STORM PREDICTION CENTER NORMAN OK
0807 PM CST SUN FEB 27 2011
AREAS AFFECTED...ERN OK...WRN AR...NERN TX
CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 280207Z - 280300Z
00Z NAM/LATEST HRRR CONTINUE TO OFFER THE BEST GUIDANCE THIS EVENING
AND SUGGEST THAT THE DEVELOPING CONVECTION NEAR THE ADVANCING
DRYLINE/PACIFIC FRONT WILL INDEED DEEPEN THIS EVENING. THIS IS IN
RESPONSE TO LARGER-SCALE ASCENT FINALLY SPREADING EWD ATOP THE MOIST
WARM SECTOR EFFECTIVELY WEAKENING INHIBITION.
EXPECT THAT ANY STORM THAT CAN BECOME SUSTAINED WILL BE EMBEDDED IN
200-400 M2/S2...HIGHEST ACROSS NE OK AND ALONG THE OK/AR BORDER.
INDICATIONS ARE THAT THE CELLS WILL BECOME LINEAR QUICKLY WITH
POSSIBLE EMBEDDED BOWS/ROTATING STORMS CAPABLE OF TORNADOES.
OTHERWISE...CORRIDORS OF HIGH WIND MAY EVOLVE ACROSS FAR ERN OK AND
AR LATER THIS EVENING...WITH THE SVR THREAT BACKBUILDING SWWD INTO
FAR NE TX AS WELL.
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