Thursday, January 3, 2008

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 030918
SWOD48
SPC AC 030917

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0317 AM CST THU JAN 03 2008

VALID 061200Z - 111200Z

..DISCUSSION...

CONSIDERABLE UNCERTAINTY EXISTS BETWEEN THE ECMWF AND GFS REGARDING
TIMING AND DETAILS OF EJECTING SHORTWAVES EARLY NEXT WEEK ACROSS THE
PLAINS/MS VALLEY REGION. DESPITE GENERAL AGREEMENT THROUGH
DAY4...SUNDAY...ECMWF SOLUTION IS MUCH QUICKER WITH EWD MOVEMENT OF
UPPER TROUGH INTO THE MS VALLEY BY DAY6. EVEN SO...SUFFICIENT
MOISTURE/INSTABILITY SHOULD RETURN TO THE OUTLOOK REGION FOR
SCATTERED ROBUST...POTENTIALLY SEVERE THUNDERSTORMS.

.DARROW.. 01/03/2008

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