[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 250027
SWOMCD
SPC MCD 250027 
MOZ000-IAZ000-MNZ000-250130-

MESOSCALE DISCUSSION 0879
NWS STORM PREDICTION CENTER NORMAN OK
0727 PM CDT MON MAY 24 2004

AREAS AFFECTED...CNTRL/SRN/ERN IA

CONCERNING...TORNADO WATCH 276...

VALID 250027Z - 250130Z

A NEW WATCH WILL LIKELY BE NEEDED TO THE EAST OF TORNADO WATCH 276

MATURE BOW ECHO WAS MOVING EAST ACROSS CNTRL IA WITH DAMAGE REPORTS
FROM DSM AREA. CONSIDERABLE MESOSCALE FORCING FOR ASCENT ALONG WARM
FRONT/INSTABILITY GRADIENT ACROSS SCNTRL IA/NRN MO SHOULD MAINTAIN
THE CONVECTIVE LINE INTO ERN IA OVER THE NEXT COUPLE OF HOURS.
RELATIVELY DRIER BOUNDARY LAYER AIRMASS ACROSS ERN IA INTO NRN IL
MAY ACTUALLY CONTRIBUTE TO COLD POOL MAINTENANCE AND DAMAGING
DOWNBURST WIND THREAT AS ENTIRE COMPLEX DEVELOPS EAST LATER THIS
EVENING.

CELLS AHEAD OF THE LINE...OVER MARION AND MAHASKA COUNTIES...AND
ESPECIALLY INVOF MESO LOW/WARM FRONT...MOVING TOWARD SRN EDGE OF THE
WATCH AND NOW OVER RINGGOLD COUNTY...WILL POSE GREATER TORNADO
THREAT OVER THE NEXT HOUR.

..CARBIN.. 05/25/2004

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

ATTN...WFO...DVN...ARX...MPX...DMX...EAX...

40569192 40569359 43569479 43569300 40589192 

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