Friday, December 2, 2011

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 020931
SWOD48
SPC AC 020931

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0331 AM CST FRI DEC 02 2011

VALID 051200Z - 101200Z

...DISCUSSION...

BOUNDARY LAYER MOISTURE/INSTABILITY WILL BE SLOW TO RETURN/DEVELOP
ACROSS THE SRN/SERN U.S. AHEAD OF COLD FRONT AS UNFAVORABLE
TRAJECTORIES PERSIST ACROSS THE ERN GULF. BOTH THE ECMWF AND GFS
SUGGEST THE PRIMARY CONVECTIVE THREAT MAY ACTUALLY REMAIN POST
FRONTAL IN NATURE AND GIVEN THE LACK OF INSTABILITY THIS ENVIRONMENT
SHOULD PROVE UNFAVORABLE FOR SEVERE THUNDERSTORMS AS FRONTAL ZONE
SPREADS OFF THE ATLANTIC COAST LATE NEXT WEEK.

..DARROW.. 12/02/2011

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