SWODY1
SPC AC 130037
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0737 PM CDT SUN SEP 12 2010
VALID 130100Z - 131200Z
...NO SVR TSTM AREAS FORECAST...
...NRN MI...
WEAK LOW LEVEL WARM ADVECTION WILL PERSIST JUST AHEAD OF A SURFACE
COLD FRONT AS IT DRIFTS SWD ACROSS LOWER MI THIS EVENING. ALTHOUGH
MOISTURE IS QUITE LIMITED...STEEP DEEP TROPOSPHERIC LAPSE RATE
PROFILES AS SEEN ON UPSTREAM SOUNDINGS AND STRONG FORCING SHOULD
MAINTAIN SCATTERED STORMS ALONG THE FRONT...WITH A THREAT OF
MARGINALLY SEVERE HAIL AND PERHAPS STRONG WIND GUSTS MAINLY OVER THE
NEXT COUPLE HOURS.
...ERN IA...NRN IL...
00Z DVN SOUNDING SHOWS VERY STRONG DEEP LAYER SHEAR/MEAN WIND BUT
VERY WEAK INSTABILITY. A FEW STORMS NOW ONGOING OVER NRN IL MAY
PERSIST FOR A WHILE AND STRONG/SEVERE WIND GUSTS CANNOT BE RULED OUT
GIVEN SUCH FAVORABLE WIND PROFILES AND LOW RH BOUNDARY LAYER. STORMS
SHOULD TEND TO WEAKEN AS THEY MOVE SEWD AWAY FROM THE WLY FEED OF
RELATIVELY WARM/UNSTABLE AIR. HOWEVER...A FEW CORES MAY REGENERATE
MAINLY ACROSS FAR NRN IL FOR A FEW MORE HOURS.
..JEWELL.. 09/13/2010
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