[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 080014
SWOMCD
SPC MCD 080014 
NDZ000-SDZ000-080145-

MESOSCALE DISCUSSION 1231
NWS STORM PREDICTION CENTER NORMAN OK
0714 PM CDT TUE JUN 07 2005

AREAS AFFECTED...CENTRAL DAKOTAS

CONCERNING...SEVERE THUNDERSTORM WATCH 428...429...

VALID 080014Z - 080145Z

...SEVERE THUNDERSTORMS WILL SPREAD ACROSS THE REMAINDER OF WW428
AND WW429...

MULTIPLE SUPERCELL STRUCTURES HAVE EVOLVED WITHIN BROADER ZONE OF
DEEP CONVECTION FROM WRN SD INTO SCNTRL ND.  AIRMASS DOWNSTREAM OF
THIS ACTIVITY IS QUITE BUOYANT...SBCAPES OF 3000-4000J/KG...AND
STRONGLY SHEARED...FAVORING CONTINUED SUPERCELL STRUCTURES AND
POSSIBLE TORNADOES.  APPROACHING UPPER SPEED MAX APPEARS TO BE
FOCUSING DEEPER CONFLUENCE ZONE IN PROXIMITY TO SW-NE CONVECTIVE
ORIENTATION.  WITH TIME SUFFICIENT COLD POOL GENERATION WILL FORCE
EXPANDING MCS EWD WITH AN INCREASING THREAT FOR DAMAGING
WINDS...ESPECIALLY AS UPPER FLOW BEGINS TO VEER INTO BACK SIDE OF
MCS.

..DARROW.. 06/08/2005

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

ATTN...WFO...ABR...BIS...UNR...

43180303 44640262 46750053 46059885 43410062 

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