[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 082301
SWOMCD
SPC MCD 082301 COR
MNZ000-SDZ000-090015-

MESOSCALE DISCUSSION 1942
NWS STORM PREDICTION CENTER NORMAN OK
0601 PM CDT MON AUG 08 2005

AREAS AFFECTED...ERN SD...SWRN MN

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 082301Z - 090015Z

CORRECTED FOR AREAS AFFECTED

...ISOLATED SEVERE THUNDERSTORMS MAY DEVELOP OVER THE NEXT FEW
HOURS. SEVERE THUNDERSTORM WATCH IS BEING CONSIDERED...

STRONG BOUNDARY LAYER HEATING HAS ALLOWED VERY STEEP LAPSE RATES TO
DEVELOP ACROSS SD INTO SWRN MN...8.5-9.5C/KM IN THE LOWEST 3KM. 
WITH SFC DEW POINTS HOLDING THE UPPER 60S TO NEAR 70...MLCAPE VALUES
ARE QUITE HIGH...ON THE ORDER OF 4000J/KG ALONG WIND SHIFT THAT
EXTENDS FROM SWIFT COUNTY MN...SWWD INTO CLARK COUNTY SD.  SEVERAL
UPDRAFTS HAVE REACHED THEIR LFC AND MAY BECOME SUSTAINED
THUNDERSTORMS OVER THE NEXT FEW HOURS. IF SO...A SSEWD DRIFT WOULD
OCCUR ALONG WITH POSSIBLE STORM MERGERS.  LARGE HAIL AND DAMAGING
WINDS ARE POSSIBLE IF THIS ACTIVITY ORGANIZES.

..DARROW.. 08/08/2005

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

ATTN...WFO...MPX...FSD...ABR...

44919842 45449572 44509500 44059662 43819885 

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