SWOMCD
SPC MCD 232226
WIZ000-232330-
MESOSCALE DISCUSSION 1713
NWS STORM PREDICTION CENTER NORMAN OK
0526 PM CDT SAT JUL 23 2011
AREAS AFFECTED...WRN INTO CNTRL WI
CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
VALID 232226Z - 232330Z
TRENDS ARE BEING MONITORED FOR THE POSSIBILITY OF AN INCREASING
SEVERE THREAT THAT COULD REQUIRE A WW WITHIN THE NEXT HOUR OR TWO.
SUSTAINED CONVECTION IS NOW UNDERWAY NEAR/SOUTH AND WEST OF EAU
CLAIRE WI...LIKELY MOSTLY ASSOCIATED WITH LOW-LEVEL WARM ADVECTION
ALONG A REMNANT OUTFLOW BOUNDARY GENERATED BY OVERNIGHT CONVECTION.
AN INCREASINGLY DIVERGENT UPPER FLOW FIELD IS PROBABLY CONTRIBUTING
TO DEVELOPMENT...WHICH MAY CONTINUE TO GROW UPSCALE AND ORGANIZE
DURING THE NEXT FEW HOURS. THIS WILL BE AIDED BY LOW-LEVEL INFLOW
OF HIGH MOISTURE CONTENT AIR POSSESSING LARGE CAPE...IN THE PRESENCE
OF STRONG SHEAR BENEATH 35-40 KT NORTHWESTERLY 500 MB FLOW. GIVEN
DEEP LAYER WESTERLY MEAN FLOW FIELDS STRENGTHENING TO AROUND 30
KTS...THIS MAY BE ACCOMPANIED BY AN INCREASING RISK FOR DAMAGING
WIND GUSTS...IN ADDITION TO AT LEAST MARGINALLY SEVERE HAIL...ACROSS
CENTRAL WISCONSIN BY 00-02Z.
..KERR.. 07/23/2011
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GRB...MKX...ARX...MPX...
LAT...LON 45189092 45349003 45068903 44238874 43808943 43539012
43919089 44349154 44609195 45189092
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