SWODY3
SPC AC 300818
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0218 AM CST FRI JAN 30 2009
VALID 011200Z - 021200Z
...NO SVR TSTM AREAS FORECAST...
...UPPER TX COAST/LA COAST...
SRN STREAM SPEED MAX OVER NRN MEXICO WILL MOVE EWD ACROSS EXTREME
SOUTH TX/NERN MEXICO INTO THE NWRN GULF OF MEXICO DURING THE DAY3
PERIOD. THIS FEATURE WILL MOVE THROUGH THE BASE OF DEVELOPING LONG
WAVE TROUGH BEFORE EJECTING DOWNSTREAM TOWARD THE FL PANHANDLE LATE
IN THE PERIOD. LATEST MODEL GUIDANCE SUGGEST AIR MASS OVER THE WRN
GULF OF MEXICO WILL MODIFY SLOWLY...HENCE SFC DEW POINTS WILL
STRUGGLE TO RISE TO NEAR 60F ALONG THE MIDDLE-UPPER TX/LA COAST AS
WARM FRONT MOVES INLAND. WITH STRONGER MID-HIGH LEVEL FLOW EXPECTED
TO REMAIN OFFSHORE...DEEP LAYER SHEAR WILL NOT BE PARTICULARLY
STRONG INLAND...ALTHOUGH VEERING PROFILES AND WARM ADVECTION SHOULD
CERTAINLY ENHANCE CONVECTIVE THREAT WITHIN MARGINALLY UNSTABLE
ENVIRONMENT. THUNDERSTORMS SHOULD DEVELOP BY LATE AFTERNOON ACROSS
THE UPPER TX COAST...THEN SPREAD EWD INTO SRN LA DURING THE
OVERNIGHT HOURS AS WARM FRONT/MOISTURE MOVE NORTH. FORECAST
SOUNDINGS SUGGEST STORM ROTATION IS POSSIBLE AND ISOLATED STORMS MAY
PRODUCE DAMAGING WIND GUSTS.
..DARROW.. 01/30/2009
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