Saturday, May 23, 2009

DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 230652
SWODY3
SPC AC 230650

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0150 AM CDT SAT MAY 23 2009

VALID 251200Z - 261200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
SLACK FLOW PATTERN AT MID-LEVELS WILL CONTINUE THIS PERIOD...WITH A
SERIES OF VERY WEAK MID-LEVEL SHORT-WAVE TROUGHS FORECAST TO CROSS
THE WRN AND CENTRAL CONUS.

AT THE SURFACE...LEE TROUGHING OVER THE CENTRAL AND SRN PLAINS
SHOULD FOCUS ISOLATED CONVECTIVE DEVELOPMENT. WEAKLY-VEERING FLOW
WITH HEIGHT MAY SUPPORT A VERY LOW-END SEVERE THREAT...BUT WILL NOT
INTRODUCE SEVERE PROBABILITY THIS FORECAST.

ELSEWHERE...WIDESPREAD CONVECTION IS FORECAST OVER THE ROCKIES...AND
FROM THE OH VALLEY SEWD INTO THE SERN U.S. S OF A WEAK/LINGERING W-E
BAROCLINIC ZONE. HOWEVER -- ASIDE FROM ISOLATED PULSE-TYPE SEVERE
THREAT...SEVERE STORMS ARE NOT ANTICIPATED.

..GOSS.. 05/23/2009

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