[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 032345
SWOMCD
SPC MCD 032345 
IAZ000-MOZ000-NEZ000-040115-

MESOSCALE DISCUSSION 1866
NWS STORM PREDICTION CENTER NORMAN OK
0645 PM CDT TUE AUG 03 2004

AREAS AFFECTED...ERN NEB AND WRN/SWRN IA

CONCERNING...TORNADO WATCH 700...

VALID 032345Z - 040115Z

CONTINUE WW. 

AT 2330Z...SEVERAL STRONG TO SEVERE T-STORMS CONTINUE ACROSS THE
TORNADO WATCH AREA. LARGE CELL ACROSS WRN DOUGLAS COUNTY NEB MOVING
300/20KT HAS BEEN ASSOCIATED WITH GOLF BALL HAIL AND WINDS TO 65 KT.
PRESENCE OF EXTREME SURFACE DEWPOINTS IN THE LOWER 80S ACROSS THE
MISSOURI RIVER VALLEY AND MLCAPE TO 4500 J/KG SUGGEST STORM WILL
CONTINUE SEVERE INTO SWRN IA THROUGH 0130Z. VAD WIND PROFILE AT OAX
CONTINUES TO BE FAVORABLE FOR SUPERCELLS WITH POTENTIAL FOR EXTREME
WIND DAMAGE WITH GUSTS TO 70KT...ISOLATED LARGE HAIL...AND ISOLATED
TORNADOES. 

ELSEWHERE...CLUSTER OF STRONG/SEVERE STORMS ROUGHLY 60W DSM SHOULD
CONTINUE EWD AT 20-25 KT. ACTIVITY WILL INTERACT WITH COOL OUTFLOW
FROM DOWNSTREAM BOW ECHO OVER E-CENTRAL IA AND WILL LIKELY BECOME
ELEVATED AS IT TRACKS TOWARD DSM AND INTO WW 698.
HOWEVER...INCREASING SWLY 850MB JET SHOWN BY RUC BETWEEN 00-03Z WILL
ENHANCE WARM ADVECTION AND LIKELY SUSTAIN ELEVATED SEVERE STORMS
FROM WRN INTO CENTRAL IA INTO THE OVERNIGHT PERIOD.

..BANACOS.. 08/03/2004

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

ATTN...WFO...DMX...EAX...OAX...GID...

40559417 40589781 42039780 42009415 

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