MESOSCALE DISCUSSION 1374
NWS STORM PREDICTION CENTER NORMAN OK
0454 PM CDT FRI JUN 13 2003
AREAS AFFECTED...CNTRL AND SERN TX
CONCERNING...SEVERE THUNDERSTORM WATCH 534...
VALID 132154Z - 132330Z
THE THREAT OF DAMAGING WINDS/ISOLATED LARGE HAIL WILL CONTINUE
ACROSS WW AREA.
LATEST MESOANALYSIS SHOWS OUTFLOW BOUNDARY EXTENDING FROM SE OF DRT
EWD TO JUST N OF SAT TO N OF BPT. TO THE S OF THIS BOUNDARY
TEMPERATURES IN THE UPPER 80S TO LOWER 90S AND DEWPOINTS IN THE
LOWER 70S ARE CONTRIBUTING TO MLCAPES OF 2000-3000 J/KG. SAN ANTONIO
RADAR DATA SHOW CONVECTIVE LINE BEGINNING TO ACCELERATE AND ASSUME A
BOWING STRUCTURE FROM WILLIAMSON COUNTY SWD TO TRAVIS/GUADALUPE
COUNTIES. THE APEX OF THIS BOWING STRUCTURE APPEARS TO BE IN CLOSE
PROXIMITY TO AND POSSIBLY EVEN INTERSECTING THE E-W OUTFLOW
BOUNDARY. THUS...IT APPEARS THAT THE GREATEST SEVERE WEATHER
POTENTIAL THROUGH 23Z WILL EXIST FROM BASTROP COUNTY EWD THROUGH
LEE...FAYETTE...WASHINGTON AND AUSTIN COUNTIES. DAMAGING WINDS WILL
BE THE PRIMARY SEVERE WEATHER THREAT...ESPECIALLY INVOF THE OUTFLOW
BOUNDARY AS THE BOWING COMPLEX MOVES EWD.
..MEAD.. 06/13/2003
ATTN...WFO...LCH...HGX...FWD...EWX...SJT...
29270146 29960147 30390146 30510146 30550134 30859685
30909450 30929375 30809373 29599374 29479389 29379697
29120093
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