SWOD48
SPC AC 050841
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0341 AM CDT WED SEP 05 2007
VALID 081200Z - 131200Z
..DISCUSSION...
UPR FLOW REGIME PREDICTABILITY WILL REMAIN LOW INTO THE UPCOMING
WEEKEND AND NEXT WEEK. A GRADUAL EVOLUTION INTO A BROAD TROUGH WILL
LIKELY OCCUR ACROSS THE NRN/CNTRL PARTS OF NORTH AMERICA...BUT
MODELS ARE HAVING A TOUGH TIME WITH TIMING AND MAGNITUDE OF SUCH.
AHEAD OF EACH SHORTWAVE TROUGH DIGGING INTO THE NRN PORTIONS OF THE
COUNTRY...MOISTURE WILL RETURN NWD THROUGH THE PLAINS...INCREASING
THE RISK FOR TSTMS. BUT...CONFIDENCE IN DETERMINING THE MAGNITUDE
AND AREAL EXTENT OF POTENTIAL SVR WEATHER IS VERY LOW GIVEN THE
VARIED MODEL SOLUTIONS.
.RACY.. 09/05/2007
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