Wednesday, October 15, 2008

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 150852
SWOD48
SPC AC 150851

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CDT WED OCT 15 2008

VALID 181200Z - 231200Z

...DISCUSSION...
GFS AND ECMWF IN DECENT AGREEMENT THROUGH DAY 7 /TUE. OCT.
21/...AGREEING THAT A COLD FRONT MOVES OFF THE SERN U.S. COAST DAY
4...WHILE HIGH PRESSURE EXPANDS ACROSS THE ERN U.S. IN ITS WAKE.

A SECOND FRONT IS FORECAST TO PROGRESS STEADILY EWD ACROSS THE NRN
CONUS AND SEWD INTO THE PLAINS THROUGH DAY 7...AS AN UPPER TROUGH
DEEPENS/MOVES EWD ACROSS THE N CENTRAL AND NERN U.S./CANADA.

WHILE BOTH OF THESE FRONTS SHOULD SERVE AS A FOCUS FOR
PRECIPITATION...LITTLE INSTABILITY IS FORECAST ATTM AHEAD OF EITHER
OF THESE TWO FRONTS -- AND THUS NO SEVERE THREAT IS INDICATED ATTM.

..GOSS.. 10/15/2008

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