[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 081940
SWOMCD
SPC MCD 081940 
ILZ000-IAZ000-MOZ000-082115-

MESOSCALE DISCUSSION 2166
NWS STORM PREDICTION CENTER NORMAN OK
0240 PM CDT THU SEP 08 2005

AREAS AFFECTED...SE IA INTO PARTS OF NE MO...NW AND CNTRL IL

CONCERNING...SEVERE THUNDERSTORM WATCH 775...

VALID 081940Z - 082115Z

CONTINUE WW.

MESOSCALE CONVECTIVE SYSTEM CONTINUES TO PROGRESS SOUTHEASTWARD
AROUND 30-35 KT...THROUGH INSTABILITY AXIS WITH FAVORABLE LARGE
SCALE FORCING...AND BROADER SCALE BOW ECHO STRUCTURE HAS BECOME MORE
READILY EVIDENT IN RADAR DATA PAST FEW HOURS.  LITTLE IS EVIDENT TO
SUGGEST WEAKENING WILL OCCUR AT LEAST THROUGH THE NEXT HOUR OR TWO
AS SYSTEM SPREADS ACROSS AND SOUTHEAST OF THE BURLINGTON IA AREA. 
THEREAFTER...DRIER...BUT WARMER BOUNDARY LAYER ACROSS CENTRAL
ILLINOIS...WITH TEMPERATURES NEAR 90F...PROVIDES SOME UNCERTAINTY
WITH REGARD TO NEW CONVECTIVE DEVELOPMENT ALONG SURGING OUTFLOW. 
HOWEVER...POTENTIALLY DAMAGING WINDS MAY PERSIST ALONG GUST FRONT
THROUGH THE PEORIA/SPRINGFIELD IL AREAS BY 23-00Z.

..KERR.. 09/08/2005

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

ATTN...WFO...LOT...ILX...LSX...DVN...DMX...

41729058 40918888 39758869 39459043 39849156 41149278 

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