Sunday, December 25, 2011

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 250950
SWOD48
SPC AC 250949

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0349 AM CST SUN DEC 25 2011

VALID 281200Z - 021200Z

...DISCUSSION...
STG COLD FROPA EXPECTED OFF E COAST AND SWD THROUGH GULF LATE
DAY-3...RELEGATING HIGH-THETAE MARINE AIR TO N ATLC AND CARIBBEAN.
WHILE AIR-MASS MODIFICATION WILL OCCUR OVER GULF...ADDITIONAL
COLD-FRONTAL INTRUSIONS PRIOR TO WELL-DEVELOPED RETURN FLOWS SHOULD
KEEP MOST FAVORABLE LOW-LEVEL THETAE DISPLACED AWAY FROM MOST
SUBSTANTIAL MID-UPPER PERTURBATIONS...FOR SEVERAL DAYS AT LEAST.

..EDWARDS.. 12/25/2011

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