873
ACUS02 KWNS 070553
SWODY2
SPC AC 070552
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1152 PM CST FRI NOV 06 2009
VALID 081200Z - 091200Z
..NO SVR TSTM AREAS FORECAST
..SRN TX THROUGH SRN LA
UPPER LOW OVER CNTRL BAJA WILL LIKELY WEAKEN AS IT MOVES EAST
THROUGH S TX SUNDAY. AN INVERTED TROUGH IS FORECAST TO DEVELOP OVER
THE WRN GULF IN ASSOCIATION WITH AN IMPULSE LIFTING NWD AHEAD OF THE
UPPER LOW. DEEP TROPICAL MOISTURE WILL INCREASE ACROSS S AND SERN
TX...SPREADING INTO SRN LA SUNDAY NIGHT. THUNDERSTORM THREAT WILL
INCREASE DURING THE DAY...MAINLY OVER S TX WHERE WWD ADVECTION OF
RICHER LOW-LEVEL MOISTURE BENEATH THERMAL TROUGH WILL CONTRIBUTE TO
MARGINAL INSTABILITY.
WITH INVERTED TROUGH REMAINING OFFSHORE AND TROPICAL DEPRESSION IDA
POSSIBLY EMERGING INTO THE SRN GULF OF MEXICO TOWARD THE END OF THIS
PERIOD...NEAR SURFACE WINDS MAY VEER TO ENELY OVER THE WRN GULF.
THIS WILL TEND TO LIMIT BOUNDARY LAYER MOISTURE RETURN AND
DESTABILIZATION POTENTIAL FROM SERN TX THROUGH SRN LA. RAIN AND
SHOWERS WILL LIKELY INCREASE AS THE ATMOSPHERE MOISTENS AND DEEP
LAYER ASCENT INCREASES. AT THIS TIME IT APPEARS INSTABILITY WILL
PROBABLY REMAIN TOO LIMITED FOR THUNDERSTORM ACTIVITY OVER SRN LA
UNTIL POSSIBLY VERY LATE SUNDAY NIGHT.
..PACIFIC NW
A SERIES OF IMPULSES WILL ADVANCE EAST THROUGH BELT OF WLY FLOW.
MOIST...ONSHORE FLOW BENEATH COLD AIR ALOFT AND STEEP MID-LEVEL
LAPSE RATES WILL CONTINUE TO PROMOTE MARGINAL INSTABILITY AND A
THREAT OF THUNDERSTORMS ALONG COASTAL AREAS.
..DIAL.. 11/07/2009
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