DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 301732
SWODY2
SPC AC 301730

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CDT TUE APR 30 2013

VALID 011200Z - 021200Z

...THERE IS A SLGT RISK OF SVR TSTMS CENTRAL TX...

...SYNOPSIS...
CONTINUED AMPLIFICATION OF THE UPPER PATTERN IS EXPECTED WEDNESDAY
AS A TROUGH PROGRESSING SLOWLY ACROSS THE ROCKIES TOWARD THE PLAINS
IMPINGES UPON A STRONG RIDGE OVER ERN NOAM. MEANWHILE...A WEAK
UPPER LOW WILL CONTINUE MOVING SLOWLY SEWD ACROSS THE WRN GULF.

AT THE SURFACE...A COLD FRONT AHEAD OF THE AFOREMENTIONED UPPER
TROUGH WILL MOVE SLOWLY EWD ACROSS THE MID MS VALLEY...AND MORE
QUICKLY SWD ACROSS THE HIGH PLAINS AS COLD AIR SPILLS SWD IN LEE OF
THE ROCKIES. THIS FRONT WILL SERVE AS THE PRIMARY FOCUS FOR SEVERE
POTENTIAL THIS PERIOD.

...CENTRAL/S CENTRAL CONUS...
SOMEWHAT MODEST BOUNDARY-LAYER MOISTURE IN CONJUNCTION WITH
BACKGROUND SUBSIDENCE/CAPPING SHOULD CONTINUE TO ACT AS LIMITING
FACTORS FOR OVERALL CONVECTIVE POTENTIAL AS THE SURFACE FRONT
ADVANCES SEWD/EWD WITH TIME. DIURNAL STORM DEVELOPMENT IS FORECAST
TO REMAIN ISOLATED AS A RESULT...WITH SOMEWHAT GREATER/ELEVATED
STORM DEVELOPMENT POSSIBLE BEHIND THE FRONT OVER THE SRN PLAINS.

WHERE DIURNAL CONVECTION DOES DEVELOP...SEVERE THREAT WILL LIKELY BE
HINDERED FURTHER BY MODEST FLOW ALOFT -- AND THUS RELATIVELY
DISORGANIZED STORMS. STILL...WILL MAINTAIN A SMALL AREA OF SLIGHT
RISK POTENTIAL OVER CENTRAL TX -- WHERE THE GREATEST COVERAGE OF
AFTERNOON STORMS MAY OCCUR. OVERALL...EXPECT LITTLE TORNADO
POTENTIAL...WITH HAIL THE PRIMARY SEVERE THREAT THROUGH THE PERIOD.

..GOSS.. 04/30/2013

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