SPC AC 120716
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0216 AM CDT THU AUG 12 2010
VALID 141200Z - 151200Z
...THERE IS A SLGT RISK OF SVR TSTMS FROM THE UPPER GREAT LAKES
SSWWD ACROSS THE MID MS VALLEY REGION...
...SYNOPSIS...
MID-LEVEL TROUGH WILL CONTINUE PROGRESSING ACROSS CENTRAL CANADA AND
THE N CENTRAL CONUS...WHILE A COLD FRONT LIKEWISE CONTINUES
PROGRESSING EWD ACROSS THE MS VALLEY REGION AND INTO/ACROSS THE
UPPER GREAT LAKES REGION. THE FRONT SHOULD HOWEVER MAKE MUCH SLOWER
SWD PROGRESS ACROSS THE PLAINS...LIKELY LINGERING INVOF NRN OK
THROUGH THE END OF THE PERIOD.
...UPPER GREAT LAKES/MIDWEST/MID MS VALLEY REGION...
SHOWERS ONGOING ACROSS THE UPPER GREAT LAKES REGION AT THE START OF
THE PERIOD SHOULD EXPAND/DEVELOP SWD THROUGH THE AFTERNOON ALONG THE
ADVANCING COLD FRONT...AS AFTERNOON DESTABILIZATION FUELS AN
INCREASE IN CONVECTION. AS THE FRONT ADVANCES HOWEVER...IT SHOULD
OUTRUN THE EWD ADVANCE OF STRONGER FLOW ALOFT...RESULTING IN A
GENERALLY MODEST SHEAR ENVIRONMENT ATOP THE WARM SECTOR. AS A
RESULT...EXPECT A LESS ACTIVE SEVERE WEATHER DAY THAN THE PREVIOUS
DAY...WITH LESS ORGANIZED STORMS AND THUS LESS SUBSTANTIAL HAIL/WIND
POTENTIAL.
..GOSS.. 08/12/2010
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z
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