SPC AC 311723
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1123 AM CST WED DEC 31 2008
VALID 011200Z - 021200Z
...NO SVR TSTM AREAS FORECAST...
A WEST TO NORTHWEST FLOW PATTERN WILL BE IN PLACE ACROSS THE CONUS
THURSDAY. AT THE SFC...A HIGH CENTERED OVER THE OH VALLEY WILL MOVE
TO THE ERN SEABOARD THURSDAY AS LOW PRESSURE DEVELOPS ACROSS THE
UPPER MIDWEST AND HIGH PLAINS. ONSHORE FLOW ACROSS THE WRN GULF
COAST STATES WILL RESULT IN A GRADUAL INCREASE IN LOW-LEVEL MOISTURE
ACROSS THE TX AND LA COASTAL PLAINS. ALTHOUGH INSTABILITY IS NOT
FORECAST TO BE VERY STRONG...THE SRN END OF A LOW-LEVEL JET IS
FORECAST TO SPREAD ACROSS EAST TX INTO WRN LA THURSDAY AFTERNOON.
THE LIFT ASSOCIATED WITH THIS FEATURE AND MOISTURE ADVECTION MAY
RESULT IN ISOLATED THUNDERSTORM DEVELOPMENT ACROSS THE TX COAST
NNEWD INTO EAST TX...LA AND PERHAPS ACROSS SRN MS. THE POSSIBILITY
OF THUNDERSTORM ACTIVITY SHOULD CONTINUE THROUGH THE EVENING AND
OVERNIGHT PERIOD AS THE LOW-LEVEL JET PERSISTS ACROSS THE REGION.
ELSEWHERE...THUNDERSTORM DEVELOPMENT IS NOT EXPECTED ACROSS THE
CONUS IN THE DAY 2 PERIOD.
..BROYLES.. 12/31/2008
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z
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