Saturday, October 6, 2007

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 060808
SWOD48
SPC AC 060807

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0307 AM CDT SAT OCT 06 2007

VALID 091200Z - 141200Z

..DISCUSSION...

DIFFERENCES IN DETAILS OF HOW UPPER PATTERN EVOLVES IN THE DAY 4-8
PERIOD STILL EXIST BETWEEN THE GFS...MREF AND ECMWF. HOWEVER...THE
OVERALL CONSENSUS IS PATTERN WILL UNDERGO A SIGNIFICANT CHANGE.
UPPER TROUGH IS FORECAST TO AMPLIFY OVER THE ERN U.S. BEGINNING
TUESDAY DAY 4 AND CONTINUING INTO DAY 5 WITH ATTENDANT RETROGRESSION
OF UPPER RIDGE INTO THE SRN PLAINS ALONG WITH OFFSHORE FLOW OVER THE
GULF. THIS PATTERN WILL PROMOTE GENERALLY STABLE CONDITIONS MOST OF
THIS PERIOD.

.DIAL.. 10/06/2007

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