[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 030048
SWOMCD
SPC MCD 030047 
NEZ000-SDZ000-030145-

MESOSCALE DISCUSSION 1844
NWS STORM PREDICTION CENTER NORMAN OK
0747 PM CDT MON AUG 02 2004

AREAS AFFECTED...MUCH OF SRN SD INTO NERN NEB

CONCERNING...SEVERE THUNDERSTORM WATCH 691...692...

VALID 030047Z - 030145Z

...STORMS DEVELOPING RAPIDLY ACROSS SOUTH CENTRAL SD IN AN AREA OF
CHAMBERLAIN TO NEAR HON AND MHE...

VIS IMAGERY SHOWS RAPID CU/MID-LEVEL DEVELOPMENT DURING THE LAST
HOUR OVER THIS AREA...WITH REGIONAL RADARS INDICATING A STRONG STORM
OVER ERN BRULE/NRN AURORA COUNTIES.  INCREASING LARGE SCALE ASCENT
IS SPREADING ACROSS SD AIDING IN CONVECTIVE DEVELOPMENT.  GIVEN A
VERY UNSTABLE AIR MASS AND DEEP LAYER SHEAR AROUND 50 KT...
SUPERCELLS WILL CONTINUE TO BE LIKELY WITH LARGE HAIL/DAMAGING
WINDS. 

...WW 691 MAY BE CANCELLED EARLY...
FARTHER SOUTH ACROSS NEB...SEVERE THREAT HAS DECREASED AS EARLY
CONVECTIVE ACTIVITY HAS DIMINISHED WITH THE STRONGER STORMS
CONTINUING TO DEVELOP OVER SD. STRENGTHENING CAP OVER NEB AS
INDICATED BY 00Z OAX RAOB SUGGESTS SWD DEVELOPMENT WILL BE LIMITED.

..PETERS.. 08/03/2004

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

ATTN...WFO...FSD...OAX...ABR...GID...LBF...UNR...

44239732 42939699 42379701 41479701 41490022 42760018
43000206 43370269 44340212 

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