SWODY2
SPC AC 310549
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1149 PM CST FRI JAN 30 2009
VALID 011200Z - 021200Z
...NO SVR TSTM AREAS FORECAST...
...TX/LA...
MOISTURE WILL GRADUALLY SPREAD NORTH ACROSS THE WRN GULF OF MEXICO
INTO THE MIDDLE/UPPER TX COAST SUNDAY IN RESPONSE TO LOW LATITUDE
SPEED MAX SPREADING ACROSS NRN MEXICO. THIS MOISTURE SURGE WILL NOT
MOVE VERY FAR INLAND AS PRIMARY SFC WAVE WILL DEVELOP OFFSHORE AND
TRAVERSE JUST SOUTH OF IMMEDIATE COAST. WELL INLAND...STRONG
BOUNDARY LAYER HEATING WILL DEVELOP AHEAD OF SHARP COLD FRONT THAT
SHOULD BE POSITIONED FROM SWRN AR...SWWD INTO THE HILL COUNTRY OF
CNTRL TX BY LATE AFTERNOON. FORECAST SOUNDINGS SUGGEST SFC PARCELS
WILL REACH THEIR CONVECTIVE TEMPERATURE ALONG I-35 CORRIDOR WITHIN
WARM SECTOR. AIDED BY CONVERGENCE ALONG WIND SHIFT...CONVECTION
SHOULD DEVELOP BY 00Z. RELATIVELY STEEP LAPSE RATES BUT MEAGER
MOISTURE...SFC DEW POINTS IN THE 40S...WILL RESULT IN WEAK
INSTABILITY/LOW SEVERE THREAT. FARTHER SOUTH...SOMEWHAT HIGHER
MOISTURE/BUOYANCY MAY ENHANCE WEAK SUPERCELL POTENTIAL NEAR THE
UPPER TX/WRN LA COAST WITHIN WARM ADVECTION REGIME...NORTH OF
PRIMARY OFFSHORE BOUNDARY. MCS MAY DEVELOP WITHIN THIS ENVIRONMENT
BY LATE EVENING WITH MAIN CONCENTRATION OF CONVECTION EXPECTED TO
REMAIN OVER THE NRN GULF OF MEXICO.
..DARROW.. 01/31/2009
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