Saturday, September 1, 2012

DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 010909
SWOD48
SPC AC 010908

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0408 AM CDT SAT SEP 01 2012

VALID 041200Z - 091200Z

...DISCUSSION...
MEDIUM-RANGE MODEL AGREEMENT APPEARS TO EXIST OUT THROUGH ABOUT DAY
6 /THU SEP 6/...WITH OVERALL DEPICTION OF THE LARGER-SCALE FEATURES.
DURING THIS FIRST HALF OF THE PERIOD...A SLOW-MOVING UPPER TROUGH
WILL SHIFT ACROSS THE N CENTRAL AND EVENTUALLY THE NERN CONUS. AN
ASSOCIATED COLD FRONT WILL ALSO SHIFT EWD...WITH SOME SEVERE
POTENTIAL EVIDENT FROM THE CENTRAL PLAINS NEWD ALONG THE FRONT --
NEARER THE BELT OF STRONGER FLOW ALOFT. ATTM HOWEVER...THREAT DOES
NOT APPEAR PARTICULARLY SIGNIFICANT/WIDESPREAD...AND THUS WILL NOT
HIGHLIGHT ANY SPECIFIC AREAS WITH 30% EQUIVALENT PROBABILITY LINE
THIS FORECAST.

..GOSS.. 09/01/2012

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