[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 040435
SWOMCD
SPC MCD 040434 
ILZ000-IAZ000-MOZ000-040600-

MESOSCALE DISCUSSION 1873
NWS STORM PREDICTION CENTER NORMAN OK
1134 PM CDT TUE AUG 03 2004

AREAS AFFECTED...SRN IA AND NRN MO

CONCERNING...HEAVY RAINFALL...SEVERE THUNDERSTORM WATCH 703...

VALID 040434Z - 040600Z

RAINFALL RATES OF 2-3 INCHES PER HOUR ARE LIKELY NEAR THE IA/MO
BORDER DURING THE NEXT COUPLE OF HOURS. DAMAGING WIND THREAT
CONTINUES FOR THE SAME GENERAL AREA AND MAY INCREASE SHORTLY.

ONE LINE OF STORMS EXTENDS FROM EAST OF OTM TO 30 NW OF IRK...WHILE
ANOTHER STRETCHES FROM SE OF DSM TO LWD TO 40 N STJ. THE FIRST LINE
HAS SLOWED IN RESPONSE TO THE LINE BEHIND IT AND A HEAVY RAIN THREAT
EXTENDS FROM EAST OF LWD TO 40 N OF IRK. HOWEVER..THE SECOND LINE IS
EXPECTED TO BEGIN FORWARD PROPAGATING AS THE LOW LEVEL JET SLOWLY
VEERS FROM SWLY TO WLY AND THE COLD POOL AIDS IN A SEWD ACCELERATION
INTO NORTH CENTRAL MO. SURFACE DEWPOINTS IN THE UPPER 70S AND STEEP
MID LEVEL LAPSE RATES ARE RESULTING IN MUCAPES FROM 3000 TO 4000
J/KG WHICH ARE FAVORABLE FOR WIND DAMAGE AND VERY HEAVY RAINFALL.

..IMY.. 08/04/2004

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

ATTN...WFO...DVN...DMX...EAX...

40329230 40369281 40539322 40739316 40839310 40789249
40739187 40689128 40379139 

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