[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 172345
SWOMCD
SPC MCD 172344 
ILZ000-WIZ000-IAZ000-180045-

MESOSCALE DISCUSSION 0729
NWS STORM PREDICTION CENTER NORMAN OK
0644 PM CDT MON MAY 17 2004

AREAS AFFECTED...SRN WI...NRN IL

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 172344Z - 180045Z

...A LARGE CLUSTER OF STRONG/ISOLATED SEVERE THUNDERSTORMS WILL
SPREAD ACROSS SRN WI/NRN IL OVER THE NEXT FEW HOURS.  SEVERE
THUNDERSTORM WATCH MAY BE REQUIRED...

A LARGE CLUSTER OF STRONG THUNDERSTORMS APPEARS TO BE EVOLVING INTO
A MCS OVER NERN IA/SWRN WI/NWRN IL.  WITHIN THIS LARGE CANOPY OF
CONVECTION...A MVC SEEMS TO BE DEVELOPING OVER CLAYTON COUNTY
IA...MOVING EWD AT ROUGHLY 35KT.  STRONGEST UPDRAFTS...AND MOST
LIKELY HAIL-PRODUCING ELEMENTS ARE LOCATED ON SOUTH SIDE OF THIS
MCS.  WW MAY BE REQUIRED DOWNSTREAM IF ACTIVITY CONTINUES TO
INTENSIFY/ORGANIZE.

..DARROW.. 05/17/2004

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

ATTN...WFO...LOT...MKX...DVN...ARX...

43329113 43718861 42898764 42218807 42259090 

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