[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 122348
SWOMCD
SPC MCD 122347 
MNZ000-IAZ000-SDZ000-NEZ000-130115-

MESOSCALE DISCUSSION 2180
NWS STORM PREDICTION CENTER NORMAN OK
0647 PM CDT MON SEP 12 2005

AREAS AFFECTED...ERN/SERN SD...FAR NWRN/N-CENTRAL IA...AND
SWRN/S-CENTRAL MN

CONCERNING...TORNADO WATCH 778...

VALID 122347Z - 130115Z

THREAT OF SUPERCELLS WITH POSSIBLE TORNADOES CONTINUES ACROSS
ERN/SERN SD EWD INTO SWRN MN. ADDITION WW MAY BE REQUIRED DURING
NEXT 1-2 HOURS AS ACTIVITY DEVELOPS ENEWD INTO S-CENTRAL MN. 

SEVERE THUNDERSTORMS CONTINUE ALONG WARM FRONT EAST OF SFC LOW
EXTENDING FROM ERN KINGSBURY COUNTY SD ENEWD TO YELLOW MEDICINE
COUNTY MN. STORMS HAVE EXHIBITED SUSTAINED SUPERCELL
CHARACTERISTICS...INCLUDING STRONG LOW-LEVEL SHEAR COUPLETS PER FSD
88D. WITH SELY LOW-LEVEL FLOW...STORMS ALONG WARM FRONT SHOULD
CONTINUE TO PROCESS VERY MOIST AND UNSTABLE WARM SECTOR AIR...WHERE
MLCAPE VALUES ARE CURRENTLY 2000-3000 J/KG. STRONG LOW-LEVEL VEERING
WIND PROFILE IS EVIDENT PER FSD VAD WIND PROFILE...WITH 0-1KM SRH
AROUND 150 M2/S2. ENVIRONMENT SHOULD CONTINUE TO SUPPORT SUPERCELLS
DURING THE NEXT FEW HOURS FROM ERN SD EWD INTO S-CENTRAL MN...WITH
LARGE HAIL...DAMAGING WINDS...AND POSSIBLE TORNADOES. ADDITIONAL
THUNDERSTORMS ARE POSSIBLE ALONG FRONTAL BOUNDARY EXTENDING WEST AND
SW OF FSD. THESE STORMS MAY AFFECT PORTIONS OF NWRN/N-CENTRAL IA
LATER THIS EVENING.

..BANACOS.. 09/12/2005

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

ATTN...WFO...MPX...DMX...FSD...OAX...ABR...LBF...

43769889 44839888 45489329 43319340 42689886 

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