[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 130001
SWOMCD
SPC MCD 130000 
WIZ000-IAZ000-MNZ000-130200-

MESOSCALE DISCUSSION 1231
NWS STORM PREDICTION CENTER NORMAN OK
0700 PM CDT SAT JUN 12 2004

AREAS AFFECTED...SERN MN...NERN IA...WRN/SWRN WI

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 130000Z - 130200Z

THREAT OF DAMAGING WINDS WILL PERSIST ACROSS FAR SERN MN...NERN
IA...AND WRN/SWRN WI DURING THE NEXT FEW HOURS. WW MAY BE NEEDED
LATER THIS EVENING IF CONVECTIVE LINE INCREASES IN INTENSITY. 

CONTINUATION OF OUTFLOW BOUNDARY/THUNDERSTORM ACTIVITY THAT
ORIGINATED IN FAR ERN NEB EARLY THIS AFTERNOON IS NOW MOVING ENEWD
ACROSS FAR SERN MN/NERN IA. FORWARD SPEED OF LINE IS RELATIVELY
FAST...40-45 KT. THIS CONVECTIVE LINE HAS BEEN ASSOCIATED WITH WIND
GUSTS OF 35-45 KT IN ASOS OBSERVATIONS ACROSS N-CENTRAL IA AND FAR
SRN MN.

RUC OBJECTIVE ANALYSIS FIELDS INDICATE THAT THIS CONVECTIVE LINE IS
MOVING INTO AIR WHICH IS LESS CAPPED...LIKELY OWING TO GREATER
BOUNDARY LAYER HEATING DURING THE AFTERNOON HOURS. ORGANIZED NATURE
OF CONVECTIVE LINE COMBINED WITH AXIS OF MODERATE INSTABILITY /100MB
MLCAPE VALUES OF 1000-1500 J/KG / ALONG THE UPPER MS RIVER VALLEY
SUGGESTS THAT DAMAGING WIND POTENTIAL MAY BE SUSTAINED INTO WRN/SWRN
WI DURING THE NEXT FEW HOURS.

..BANACOS.. 06/13/2004

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

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

42899212 43499292 44379353 45149281 45349127 44909024
44028974 43128956 42768990 42559069 42589130 

WWWW