042
ACUS03 KWNS 220721
SWODY3
SPC AC 220720
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0120 AM CST SUN NOV 22 2009
VALID 241200Z - 251200Z
..SYNOPSIS/FCST
UPR LOW OVER THE LWR MO VLY EARLY TUESDAY WILL EJECT ENE ACROSS THE
MIDWEST DURING THE DAY AS THE NEXT NRN STREAM SYSTEM DIGS INTO THE
NRN PLNS. SFC LOW ATTENDANT WITH THE FORMER SYSTEM WILL MOVE FROM
THE CORN BELT INTO LWR MI BY 12Z WED AS THE CDFNT MOVES THROUGH THE
MIDWEST...THE OH/TN VLYS AND WRN GULF OF MEXICO. TO THE S...AN OLD
FRONT WILL REMAIN SITUATED FROM SRN FL WWD INTO THE CNTRL GULF OF
MEXICO WHERE A FRONTAL WAVE IS APT TO FORM IN RESPONSE TO SRN STREAM
ENERGY EJECTING NEWD FROM CNTRL MEXICO
SPORADIC TSTMS MAY ACCOMPANY THE STRONG PV-ANOMALY AS IT TRACKS INTO
THE MIDWEST TUESDAY MORNING/AFTN. MOISTURE WILL REMAIN QUITE
LIMITED...ESPECIALLY AS THE OVERALL FLOW TURNS NLY ACROSS THE NRN
GULF BASIN IN RESPONSE TO THE FRONTAL WAVE OVER THE WRN GULF WATERS.
THUS...SVR WEATHER IS NOT ANTICIPATED DESPITE FAVORABLE KINEMATICS.
OTHERWISE...CONVECTION/ISOLD TSTMS MAY ACCOMPANY THE FRONTAL PASSAGE
ACROSS DEEP S TX DURING THE FIRST HALF OF TUESDAY. PRIMARY FORCING
FOR ASCENT AND DEEP LAYER FLOW PASSING TO THE N OF THE REGION AND
PRESENCE OF A RESIDUAL WARM LAYER NEAR H85 SHOULD REDUCE THE THREAT
FOR SVR TSTMS.
..RACY.. 11/22/2009
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