SWODY1
SPC AC 231944
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0144 PM CST SUN NOV 23 2008
VALID 232000Z - 241200Z
...NO SVR TSTM AREAS FORECAST...
...NERN TX INTO THE MID SOUTH...
SSWLY LLJ EXTENDING FROM ERN TX INTO AR/LOWER OH VALLEY WILL
STRENGTHEN THIS FORECAST PERIOD...MAINTAINING LOW LEVEL MOISTURE
RETURN AHEAD OF FAST MOVING SHORTWAVE TROUGH DIGGING SEWD ACROSS THE
CENTRAL PLAINS. THIS MOISTURE COMBINED WITH INCREASING DEEP ASCENT
AHEAD OF AFOREMENTIONED TROUGH AND A SRN STREAM IMPULSE TRACKING
ENEWD ACROSS TX THIS AFTERNOON WILL SUPPORT INCREASING MOIST
CONVECTION DURING THE PERIOD FROM NERN TX INTO THE MID SOUTH. EARLY
AFTERNOON TAMDAR SOUNDINGS SHOWED A CAPPING EML REMAINED IN PLACE
ACROSS THE REGION RESULTING IN SHALLOW CONVECTION SO FAR THIS
AFTERNOON. FORECAST SOUNDINGS INDICATE SUFFICIENT MUCAPE WILL
DEVELOP LATER THIS EVENING/OVERNIGHT FOR TSTMS...AS MID LEVELS COOL
ATOP PERSISTENT LOW LEVEL MOISTENING. A FEW STRONGER CORES MAY BE
CAPABLE OF HAIL GIVEN THE RELATIVELY COOL TEMPERATURES ALOFT AND
EFFECTIVE SHEAR FROM 30-40 KT. HOWEVER...OVERALL SEVERE THREAT
REMAINS LOW.
..PETERS/EVANS.. 11/23/2008
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