DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 250858
SWOD48
SPC AC 250858

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0358 AM CDT TUE SEP 25 2007

VALID 281200Z - 031200Z

..DISCUSSION...
GFS CONTINUES TO INDICATE A POSSIBLE SEVERE WEATHER EVENT DAY 5
/SAT. SEPT. 29/ ACROSS PORTIONS OF THE CENTRAL CONUS...THOUGH THE
ECMWF HAS TRENDED A BIT SLOWER WITH THE UPPER TROUGH OVER THE PAST
24 HOURS. AS A RESULT...THE TWO MODELS ARE IN LESS OVERALL
AGREEMENT WITH THE SEVERE POTENTIAL FOR DAY 5 -- AND THUS CONFIDENCE
IS LOWER THIS FORECAST THAN 24 HOURS PRIOR.

ATTM...WILL MAINTAIN THE SEVERE WEATHER AREA OVER PARTS OF THE
CENTRAL PLAINS AND VICINITY...THOUGH THIS AREA MAY REQUIRE AREAL OR
TEMPORAL ADJUSTMENT -- OR POSSIBLY EVEN A DOWNGRADE -- IN LATER
FORECASTS.

.GOSS.. 09/25/2007

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