SWODY1
SPC AC 250030
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0730 PM CDT THU SEP 24 2009
VALID 250100Z - 251200Z
...NO SVR TSTM AREAS FORECAST...
...CNTRL PLAINS THROUGH MID MS VALLEY...
THUNDERSTORMS THAT DEVELOPED OVER THE CNTRL PLAINS NEAR THE COLD
CORE OF THE UPPER LOW WERE MOSTLY DIURNALLY DRIVEN AND WILL CONTINUE
A GRADUAL WEAKENING TREND WITH THE ONSET OF NOCTURNAL COOLING.
OTHER SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED TO INCREASE
ACROSS PARTS OF MO INTO IA LATER THIS EVENING AND OVERNIGHT. WV
IMAGERY SHOWS A STRONG IMPULSE LIFTING NNEWD THROUGH ERN KS. AS LIFT
FROM THIS FEATURE BEGINS TO INTERACT WITH MOIST AXIS ACROSS NERN MO
AND IA AND SRN MN...CONVECTION WILL LIKELY INCREASE. THE MARGINAL
THERMODYNAMIC ENVIRONMENT WILL LIMIT THE POTENTIAL FOR SEVERE
WEATHER WITH THIS ACTIVITY.
..DIAL.. 09/25/2009
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