DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 260723
SWODY3
SPC AC 260722

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0222 AM CDT WED SEP 26 2012

VALID 281200Z - 291200Z

...SYNOPSIS...
SOME AMPLIFICATION OF THE UPPER FLOW FIELD ACROSS ERN U.S. IS
FORECAST THIS PERIOD..AS A TROUGH SHIFTS SEWD ACROSS THE GREAT LAKES
REGION. ELSEWHERE HOWEVER...A WEAK/GENERALLY NONDESCRIPT PATTERN IS
EXPECTED.

AT THE SURFACE...A FRONT LINGERING FROM THE MID-ATLANTIC REGION WWD
INTO THE SRN PLAINS AT THE START OF THE PERIOD IS FORECAST TO MAKE
LIMITED/SLOW SEWD PROGRESS AS ERN TROUGHING INCREASES. IN
CONJUNCTION...THE ASSOCIATED/PERSISTENT BAND OF CONVECTION
ASSOCIATED WITH THIS FRONT WILL LIKEWISE DRIFT SEWD WITH
TIME...PRIMARILY AFFECTING AREAS S OF THE OH VALLEY THROUGH THE
PERIOD. WITH MODEST FLOW ALOFT AND GENERALLY WEAK INSTABILITY
EXPECTED...SEVERE WEATHER THREAT APPEARS TOO MINIMAL TO INTRODUCE AN
OUTLOOK AREA.

ELSEWHERE...SHOWERS AND SCATTERED THUNDERSTORMS ARE FORECAST ACROSS
PARTS OF THE ROCKIES...BUT NO SEVERE WEATHER IS EXPECTED.

..GOSS.. 09/26/2012

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