SPC AC 191625
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1125 AM CDT FRI SEP 19 2008
VALID 191630Z - 201200Z
...NO SVR TSTM AREAS FORECAST...
MAIN BAND OF WESTERLY FLOW ALOFT EXTENDS ACROSS SOUTHERN CANADA AND
THE NORTHERN TIER OF STATES...WHILE A FEW WEAKER AND SLOW MOVING
UPPER FEATURES MOVE ACROSS THE SOUTHERN PLAINS AND MS VALLEY. ONE
SUCH TROUGH IS CURRENTLY LIFTING EAST-NORTHEASTWARD ACROSS EASTERN
OK TOWARD THE MIDDLE MS VALLEY. SCATTERED THUNDERSTORMS ARE
EXPECTED TO DEVELOP THIS AFTERNOON AHEAD OF THIS TROUGH FROM
SOUTHEAST MO INTO CENTRAL MS. A FEW ORGANIZED MULTICELL CLUSTERS
ARE POSSIBLE TODAY...BUT WEAK LAPSE RATES AND RELATIVELY WEAK WIND
FIELDS ARE EXPECTED TO GREATLY LIMIT OVERALL SEVERE THREAT.
ELSEWHERE...SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON
AND EVENING OVER PARTS OF THE GREAT BASIN AND SOUTHERN
ROCKIES...ALONG A COLD FRONT MOVING INTO THE UPPER MIDWEST...AND
ACROSS PORTIONS OF THE SOUTHERN FL PENINSULA. SEVERE STORMS ARE NOT
ANTICIPATED AT THIS TIME.
..HART.. 09/19/2008
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z
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