SWOD48
SPC AC 230942
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0342 AM CST SAT FEB 23 2008
VALID 261200Z - 021200Z
..DISCUSSION...
CURRENT SPLIT FLOW PATTERN FCST TO EVOLVE TO MORE UNIFIED...BUT
STILL PROGRESSIVE...NRN/SRN STREAM WAVE TRAIN THROUGH THIS PERIOD.
STG SHORTWAVE TROUGH NOW OFFSHORE CA WILL CONTRIBUTE TO EVOLUTION OF
HIGH AMPLITUDE TROUGH ACROSS ERN NORTH AMERICA DAYS
4-5/26TH-28TH...FORCING STG COLD FRONT THROUGH MOST OR ALL OF GULF
OF MEXICO. WLY TO NWLY FLOW ALOFT IN WAKE OF DEPARTURE OF ERN
TROUGH SHOULD PREVAIL THROUGH REMAINDER PERIOD...WITH TROUGHING
ALOFT VIGOROUS ENOUGH AND FAR ENOUGH W TO SUPPORT STG/MOIST RETURN
FLOW UNLIKELY UNTIL AFTER PERIOD.
.EDWARDS.. 02/23/2008
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