SWODY1
SPC AC 170022
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0722 PM CDT TUE AUG 16 2011
VALID 170100Z - 171200Z
...NO SVR TSTM AREAS FORECAST...
...UPPER MS VALLEY...
EXTENSIVE CLOUD COVER EXISTS ALONG THE COLD FRONT WITH MAINLY WEAK
THUNDERSTORMS NOW MOVING ACROSS THE TWIN CITIES AREA. GIVEN LOSS OF
HEATING AND DRIER AIR AHEAD OF THESE STORMS...A SLIGHT RISK DOES NOT
APPEAR WARRANTED WITH ONLY ISOLATED STRONG TO SEVERE WIND GUSTS
EXPECTED...FROM SERN MN INTO NRN WI.
...OK NWWD INTO ERN CO...
A BAND OF HIGH BASED CONVECTION PERSISTS ACROSS N CNTRL INTO WRN
OK...EXTENDING WWD ACROSS THE TX PANHANDLE. THESE STORMS MAY
CONTINUE TO PROPAGATE SWD WITH THE EXISTING OUTFLOW...AND GIVEN HOT
TEMPERATURES AHEAD...STRONG WIND GUSTS MAY OCCUR. IN GENERAL...THIS
ACTIVITY SHOULD WANE WITH THE LOSS OF HEATING.
FARTHER W INTO SERN WY AND ERN CO...A FEW STRONGER CORES WERE
PRESENT IN AN UPSLOPE ENVIRONMENT AND WITH MARGINAL CAPE AND SHEAR.
MOST OF THESE STORMS APPEAR TO BE SUB-SEVERE EVEN FOR HAIL...AND
HERE TOO STORMS SHOULD WEAKEN THIS EVENING. UNTIL THEN...GUSTY WINDS
MAY OCCUR.
..JEWELL.. 08/17/2011
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