Friday, January 23, 2009

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 230852
SWOD48
SPC AC 230851

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0251 AM CST FRI JAN 23 2009

VALID 261200Z - 311200Z

...DISCUSSION...
SPLIT FLOW REGIME WILL PREVAIL NEXT WEEK...FEATURING A SRN STREAM
TROUGH ACROSS THE SWRN STATES AND A POLAR STREAM TROUGH EXTENDING
SWD FROM A HUDSON BAY VORTEX INTO THE GRTLKS/MIDWEST. MEDIUM RANGE
GUIDANCE HAS NOT BEEN CONSISTENT WITH THE HANDLING OF THE SWRN
STATES TROUGH INTO THE PLNS BY MID-WEEK AND THE NERN STATES BY LATE
WEEK. HOWEVER...EXPECTED POSITIVE-TILT NATURE TO THE TROUGH AND
LIMITED QUALITY RETURN FLOW WILL KEEP PROBABILITIES FOR AN ENHANCED
SVR WEATHER EVENT LOW.

..RACY.. 01/23/2009

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