[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 132025
SWOMCD
SPC MCD 132025 
WIZ000-ILZ000-IAZ000-MNZ000-132200-

MESOSCALE DISCUSSION 2189
NWS STORM PREDICTION CENTER NORMAN OK
0325 PM CDT TUE SEP 13 2005

AREAS AFFECTED...NERN IA/SERN MN/CENTRAL AND SWRN WI

CONCERNING...SEVERE THUNDERSTORM WATCH 781...782...

VALID 132025Z - 132200Z

CLUSTER OF STRONG/SEVERE STORMS CONTINUES MOVING NEWD ACROSS NRN
PORTIONS OF WW 781/INTO WW 782.

LARGE AREA OF MULTICELL CONVECTION -- WITH EMBEDDED
SUPERCELLS/SEVERE STORMS -- CONTINUES MOVING NEWD THROUGH VERY
UNSTABLE AIRMASS /3000 TO 3500 J/KG MEAN-LAYER CAPE/ OVER NERN IA
AND ADJACENT CENTRAL/SWRN WI AND SERN MN.  STORMS ARE OCCURRING JUST
AHEAD OF VORT MAX MOVING ENEWD ACROSS S CENTRAL MN...WITHIN
MODERATELY-STRONG KINEMATIC ENVIRONMENT.  GIVEN INSTABILITY/SHEAR
COMBINATION ACROSS THIS REGION...EXPECT THREAT FOR LARGE HAIL AND
LOCALLY DAMAGING WIND GUSTS TO CONTINUE.

FURTHER...CONVECTION APPEARS TO BE DEVELOPING EWD ACROSS S CENTRAL
WI...AND SWD INTO FAR ERN IA/NWRN IL...LIKELY ALONG DIFFUSE/REMNANT
OUTFLOW BOUNDARIES.  WITH SLIGHTLY LESSER -- BUT STILL SUFFICIENT --
SHEAR AND INSTABILITY ACROSS THIS REGION...WILL CONTINUE TO MONITOR
FOR POSSIBLE NEW WW ACROSS FAR NRN IL/E CENTRAL AND SERN WI.

..GOSS.. 09/13/2005

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

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

44479180 45039044 44738787 42668787 41938929 41939095
42839303 

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