ZCZC SPCSWOMCD ALL
ACUS11 KWNS 060346 
SPC MCD 060346 
WIZ000-ILZ000-IAZ000-MNZ000-060515-

MESOSCALE DISCUSSION 1157
NWS STORM PREDICTION CENTER NORMAN OK
1046 PM CDT TUE JUL 05 2016

AREAS AFFECTED...CNTRL/S WI...N/E-CNTRL IA...NW IL

CONCERNING...SEVERE THUNDERSTORM WATCH 331...

VALID 060346Z - 060515Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 331
CONTINUES.

SUMMARY...WIDESPREAD DAMAGING WIND GUSTS...AND PERHAPS A BRIEF
TORNADO OR TWO...ARE EXPECTED OVERNIGHT AS A WELL-DEVELOPED MCS
MOVES ACROSS CNTRL/SRN WI AT 40-50 KT.

DISCUSSION...WELL-DEVELOPED BOWING MCS CONTINUES SEWD ACROSS
SRN/CNTRL WI AND NE IA. CURRENT STORM MOTION OF THE NRN PORTION OF
THE BOW IS ESTIMATED AT 290 DEGREES AT 40-50 KT. BASED ON RADAR
IMAGERY...THE BOOKEND VORTEX ASSOCIATED WITH THIS SYSTEM LOOKS TO BE
JUST NE OF LSE...ACROSS JACKSON AND MONROE COUNTIES. PORTION OF THE
MCS JUST SW OF BOOKEND VORTEX SHOWS THE STRONGEST OUTBOUND
VELOCITIES WITH SEVERAL MESOVORTICIES EMBEDDED WITHIN THE LINE.
SURFACE OBSERVATIONS REVEAL A SURFACE BOUNDARY ACROSS SRN
MN...DELINEATED BEST BY THE SUBTLE WIND SHIFT. THE STRONGEST
MESOVORTEX OVER VERNON COUNTY WI APPEARS TO BE INTERACTING WITH THIS
BOUNDARY. THREAT FOR WIDESPREAD DAMAGING WIND GUSTS AND PERHAPS A
BRIEF TORNADO WILL CONTINUE ACROSS THE REGION OVERNIGHT.

..MOSIER.. 07/06/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...GRB...LOT...MKX...DVN...ARX...DMX...

LAT...LON   41519229 44269227 44738857 41978857 41519229 

NNNN