[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 041923
SWOMCD
SPC MCD 041923 
WIZ000-MIZ000-IAZ000-MNZ000-042130-

MESOSCALE DISCUSSION 1156
NWS STORM PREDICTION CENTER NORMAN OK
0223 PM CDT SAT JUN 04 2005

AREAS AFFECTED...WI INTO SE MN/FAR NE IA

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 041923Z - 042130Z

WILL CONTINUE TO MONITOR TRENDS FOR POSSIBILITY OF WW WITHIN NEXT
HOUR OR TWO ACROSS PORTIONS OF CNTRL/WRN WI...AND POSSIBLY SE MN/FAR
NE IA.

IN ERN WI...LEADING EDGE OF CONVECTIVE CLUSTER PROGRESSING ENE AT
40-45 KTS TOWARD W/NW PORTIONS OF THE MILWAUKEE METRO AREA.
ADDITIONAL DEVELOPMENT MAY OCCUR IN NEXT HOUR OR TWO NORTH/WEST OF
WW 389 AS AIRMASS CONTINUES TO DESTABILIZE ON PERIPHERY OF SHORTWAVE
IMPULSE OVER SRN MN. ACROSS FAR WRN WI/SE MN ALONG SHARPENING WARM
FRONT...WAKE EFFECTS OF MCS TO THE SE AND RESIDUAL CLOUD
COVER/LESSER DEGREE OF INSTABILITY -- 18Z OBSERVED DVN AND MPX RAOBS
-- SUGGESTS MAGNITUDE OF SEVERE THREAT IS LESS CERTAIN WITH WESTWARD
EXTENT. NEVERTHELESS AIRMASS CONTINUES TO GRADUALLY DESTABILIZE WITH
PROGRESSIVELY CELLULAR CU FIELD ACROSS SRN MN/NRN IA...WILL CONTINUE
TO MONITOR TRENDS.

PRIMARY THREAT ACROSS THE REGION WOULD BE DAMAGING WINDS GIVEN
FORWARD PROPAGATION/MAGNITUDE OF WIND SPEEDS IN THE LOW TO MID
TROPOSPHERE /REF BLUE RIVER WI PROFILER/ AND INCREASINGLY UNSTABLE
AIRMASS. MARGINALLY SEVERE HAIL MAY BE POSSIBLE AS WELL...IN
ADDITION TO A FEW TORNADOES OWING TO BACKED SELY FLOW/ENLARGED LOW
LEVEL HODOGRAPHS INVOF WARM FRONT.

..GUYER.. 06/04/2005

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

ATTN...WFO...MQT...GRB...MKX...DLH...ARX...MPX...

43619279 44729312 45349210 45699106 45868877 45378761
43868746 43788752 43159117 

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