SWOMCD
SPC MCD 250000
SDZ000-NDZ000-250100-
MESOSCALE DISCUSSION 1551
NWS STORM PREDICTION CENTER NORMAN OK
0700 PM CDT TUE JUN 24 2008
AREAS AFFECTED...SRN ND...NRN SD
CONCERNING...SEVERE THUNDERSTORM WATCH 602...603...
VALID 250000Z - 250100Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
602...603...CONTINUES.
COMPACT MCS IS MATURING OVER SCNTRL ND...ACROSS GRANT/MORTAN
COUNTIES. THIS ACTIVITY IS PROPAGATING SEWD AT ROUGHLY 25 KT ALONG
NRN FRINGE OF HIGHER INSTABILITY THAT RESIDES ACROSS MUCH OF SD INTO
SCNTRL ND...MLCAPE VALUES ARE IN EXCESS OF 2000 J/KG. BOTH BIS AND
ABR SOUNDINGS SUPPORT CONTINUED ESEWD MOVEMENT GIVEN THE STEEP LAPSE
RATE ENVIRONMENT AND STRONG DEEP LAYER SHEAR. GIVEN THE CURRENT
SPEED/MOVEMENT NEW WW MAY BE REQUIRED BY 0030-0100Z TIME FRAME.
..DARROW.. 06/25/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FGF...ABR...BIS...
46940080 46609864 46039752 45299732 44909882 45380109
46160201
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