SWOD48
SPC AC 160809
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0209 AM CST SUN NOV 16 2008
VALID 191200Z - 241200Z
...DISCUSSION...
SUCCESSION OF SHORTWAVE TROUGHS FCST TO REINFORCE ERN CONUS MEAN
TROUGH...AS WELL AS RELATIVELY DRY/STABLE/CONTINENTAL AIR MASS IN
LOW LEVELS...THROUGH APPROXIMATELY DAY-5/21ST-22ND. BEGINNING
THEN...CONSENSUS OF ECMWF/SPECTRAL AND ABOUT HALF OF MREF MEMBERS IS
FOR GENERALLY ZONAL AND WEAKLY PERTURBED FLOW ACROSS MUCH OF
CONUS...EXCEPT OVER CANADIAN BORDER AND GREAT LAKES REGION WELL
REMOVED FROM ANY APPRECIABLE LOW LEVEL RETURN MOISTURE. SVR
POTENTIAL THEREFORE APPEARS TOO LOW FOR CATEGORICAL OUTLOOK.
..EDWARDS.. 11/16/2008
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