[MCD] SWOMCD

Sat May 27 22:40:54 UTC 2006

ACUS11 KWNS 272239
SWOMCD
SPC MCD 272238 
INZ000-ILZ000-WIZ000-272345-

MESOSCALE DISCUSSION 1005
NWS STORM PREDICTION CENTER NORMAN OK
0538 PM CDT SAT MAY 27 2006

AREAS AFFECTED...SE WI/NE IL/NW IND

CONCERNING...SEVERE THUNDERSTORM WATCH 412...

VALID 272238Z - 272345Z

...SEVERE WATCH 412 MAY NEED TO BE LOCALLY EXTENDED INTO PORTIONS OF
NERN IL INCLUDING THE CHICAGO METRO AREA...

ENVIRONMENT CONTINUES TO LOOK FAVORABLE FOR STRONG/SEVERE TSTMS THIS
AFTN. IN PARTICULAR...STRONG SUPERCELL NOW OVER LEE COUNTY HAS
PRODUCED STRONG WINDS AND LARGE HAIL AND IS MOVING EAST QUICKLY.
RECENT PROFILER DATA FROM BLUE RIVER WI SHOWS OVER 50 KT OF DEEP
LAYER SHEAR WITH EXCELLENT LOW LEVEL TURNING. LOCAL RADAR SUGGESTS
ROTATIONAL COUPLETS WITH THIS STORM...SO ISOLD TORNADO IS POSSIBLE.
INSTABILITY DECREASES SOUTH AND EAST OF LAKE MICHIGAN...SO SEVERE
THREAT AT LEAST WITH ONGOING STORMS IS EXPECTED TO DECREASE AS
STORMS MOVE INTO LESS FAVORABLE ENVIRONMENT.

..TAYLOR.. 05/27/2006

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

ATTN...WFO...LOT...ILX...MKX...DVN...

42798790 42548933 41338949 40878876 40788772 40988716
41678703 42448720 42698728 