ZCZC MKCSWOMCD ALL;323,1005 309,0940 289,0940 303,1005;
ACUS3 KMKC 231318
MKC MCD 231318

SPC MESOSCALE DISCUSSION FOR CENTRAL AND SOUTHEAST TEXAS
CONCERNING...SEVERE THUNDERSTORM POTENTIAL...

LATEST SURFACE DATA SHOWS WARM FRONT LIFTING NORTH ALONG THE TEXAS
COAST...WITH SIGNIFICANT WIND SHIFT TO SOUTHEAST AND TEMPERATURE
/DEW POINT JUMP NOTED AT PSX IN PAST COUPLE HOURS.  STRONG SURFACE
PRESSURE FALLS ARE OCCURRING OVER MUCH OF CENTRAL AND EAST TEXAS TO
THE NORTH OF THE WARM FRONT.  THUS...THE WARM SECTOR AND ASSOCIATED
DESTABILIZATION SHOULD CONTINUE TO SPREAD SLOWLY INLAND DURING THE
MORNING.  

WATER VAPOR IMAGERY SHOWS A PRONOUNCED DRY SLOT SURGING EAST INTO
CENTRAL TEXAS.  STRONG UPWARD MOTION IS FORECAST TO COMMENCE THIS
MORNING ON THE NOSE OF THE ASSOCIATED UPPER JET...AND RADAR IMAGERY
SHOWS THUNDERSTORMS DEVELOPING RAPIDLY FROM THE HILL COUNTRY TO THE
MIDDLE TEXAS COAST AT THIS TIME.  DEGREE OF VERTICAL WIND SHEAR/
STORM RELATIVE HELICITY/STORM RELATIVE FLOW ALL SUGGEST POTENTIAL
FOR SUPERCELLS/TORNADOES.

WE ARE CLOSELY MONITORING AREA FOR POSSIBLE TORNADO WATCH IN THE
NEXT COUPLE OF HOURS.    

..CRAVEN.. 10/23/97