Saturday, September 11, 2010

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 110851
SWOD48
SPC AC 110851

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CDT SAT SEP 11 2010

VALID 141200Z - 191200Z

...DISCUSSION...
MODELS IN GENERAL LARGE-SCALE AGREEMENT THROUGH THE FIRST HALF OF
THE PERIOD...THOUGH SUBSTANTIAL DIFFERENCES EVOLVE ON SMALLER SCALES
AS SHORT-WAVE FEATURES MOVE QUICKLY EWD THROUGH LOW-AMPLITUDE FLOW
FIELD PROGGED TO PERSIST ACROSS THE CENTRAL AND NRN CONUS.

WITH THE RELATIVELY LOW-AMPLITUDE PATTERN ALOFT THROUGH MOST OF THE
PERIOD...THE ACCOMPANYING/SOMEWHAT BENIGN SURFACE PATTERN SUGGESTS
THAT THE POTENTIAL FOR LARGE/ORGANIZED SEVERE WEATHER EVENTS IS
LIMITED THROUGH MOST OF THE MEDIUM-RANGE PERIOD. THUS...WILL NOT
INTRODUCE ANY OUTLOOK AREAS ATTM.

..GOSS.. 09/11/2010

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