[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 082030
SWOMCD
SPC MCD 082029 
WIZ000-ILZ000-IAZ000-MNZ000-NEZ000-SDZ000-082230-

MESOSCALE DISCUSSION 1142
NWS STORM PREDICTION CENTER NORMAN OK
0329 PM CDT TUE JUN 08 2004

AREAS AFFECTED...SRN MN/ERN NE/NRN IA/WRN WI

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 082029Z - 082230Z

...STORMS WILL BE INCREASING IN COVERAGE ALONG BOUNDARY THIS AFTN
WITH MAIN SEVERE THREAT FROM LARGE HAIL...

STORM NOW MOVING OVER PIERCE/MADISON COUNTIES IN NEB IS BECOMING SFC
BASED ...AS THE STORM MOVES INTO AN AREA OF GREATER SFC INSTABILITY.
THE AIRMASS ACROSS ERN NEB/NRN IA/SRN WI IS BECOMING VERY UNSTABLE
WITH MLCAPE VALUES AROUND 3000 J/KG. SFC BOUNDARY EXTENDS FROM 40 NE
BUB/30 NNW SUX/25 ESE MKT/30 WNW RHI...AND INSTABILITY NORTH AND
WEST OF THE BOUNDARY IS OF COURSE LIMITED AND STORMS WILL BE
ELEVATED. DEEP LAYER SHEAR WILL BE RELATIVELY WEAK IN THE WARM
SECTOR...BUT ALONG AND NORTH OF THE BOUNDARY VALUES WILL BE AROUND
30 KT ACCORDING TO POINT FORECAST SOUNDINGS FROM THE 18Z RUC. SFC
CONVERGENCE ALONG THE BOUNDARY COMBINED WITH LARGE INSTABILITY MAY
RESULT IN ISOLATED SVR TSTMS...WITH THE MAIN THREAT BEING LARGE
HAIL.

..TAYLOR.. 06/08/2004

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

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

41459496 41259698 42319771 43409542 44629364 44488793
42538781 42439106 41629406 

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