Wednesday, October 14, 2009

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 140722
SWOD48
SPC AC 140722

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0222 AM CDT WED OCT 14 2009

VALID 171200Z - 221200Z

...DISCUSSION...
AS A CONTINUATION OF THE DAY 2-3 SCENARIO...DEEP SOUTHWARD
PENETRATION OF A SOUTHEAST STATES COLD FRONT AND ASSOCIATED MOIST
AIRMASS ACROSS THE GULF SHOULD KEEP THE PROBABILITY FOR AN
APPRECIABLE SEVERE RISK ACROSS THE CONUS QUITE LOW INTO EARLY NEXT
WEEK. THE LATEST ECMWF/GEFS GUIDANCE IMPLY THAT A BROAD UPPER TROUGH
WILL DEVELOP OVER THE ROCKIES/PLAINS EARLY NEXT WEEK...BUT OVERALL
DEEP CONVECTIVE/SEVERE POTENTIAL APPEARS RATHER LIMITED THROUGH AT
LEAST DAY 6/MONDAY.

..GUYER.. 10/14/2009

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