[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 020033
SWOMCD
SPC MCD 020032 
WIZ000-ILZ000-020200-

MESOSCALE DISCUSSION 1406
NWS STORM PREDICTION CENTER NORMAN OK
0732 PM CDT SAT JUL 01 2006

AREAS AFFECTED...EAST CENTRAL WI

CONCERNING...SEVERE THUNDERSTORM WATCH 567...571...

VALID 020032Z - 020200Z

SEVERE THREAT TO CONTINUE ACROSS NEWLY ISSUED WW 571.  FARTHER
N...SEVERE THREAT EXPECTED TO DECREASE AFTER 02Z IN VALID PART OF WW
567 IN EAST CENTRAL WI AS ONGOING ACTIVITY MOVES ESE OVER CENTRAL
LAKE MI BETWEEN 02-03Z.

A BROKEN LINE OF THUNDERSTORMS RAPIDLY INTENSIFIED DURING THE LAST
HALF HOUR /SINCE 2345Z/ FROM CENTRAL TO SWRN WI.  THIS ACTIVITY
FORMED ALONG AN EWD MOVING SURFACE BOUNDARY AS IT ENCOUNTERED A
MODERATELY UNSTABLE AIR MASS /MLCAPE 1500-2500 J/KG/ ACROSS SRN WI. 
ASCENT WITHIN THE ENTRANCE REGION OF A 50 KT WLY MID LEVEL JET OVER
THE GREAT LAKES REGION WILL MAINTAIN THIS ACTIVITY THROUGH THE
EVENING AS THE BOUNDARY SPREADS EWD.  EFFECTIVE DEEP LAYER SHEAR
/30-35 KT/ IS SUFFICIENT FOR MULTICELLS WITH SOME STORMS CAPABLE OF
EVOLVING INTO SUPERCELLS.  LARGE HAIL AND DAMAGING WINDS REMAIN THE
PRIMARY SEVERE THREATS.

..PETERS.. 07/02/2006

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

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

42529039 43269046 43629099 43838989 44178921 44558844
44828737 44798674 43868712 43298708 42478704 42478950 

WWWW