[MCD] SWOMCD

Thu Feb 16 15:42:05 UTC 2006

ACUS11 KWNS 161541
SWOMCD
SPC MCD 161541 
INZ000-ILZ000-161745-

MESOSCALE DISCUSSION 0146
NWS STORM PREDICTION CENTER NORMAN OK
0941 AM CST THU FEB 16 2006

AREAS AFFECTED...NRN IL...NWRN IND

CONCERNING...CONVECTIVE TRENDS 

VALID 161541Z - 161745Z

...STRONG THUNDERSTORMS WILL SPREAD ACROSS NRN IL OVER THE NEXT FEW
HOURS...

THUNDERSTORMS HAVE RECENTLY INCREASED OVER NWRN IL...COLOCATED WITH
LOCAL PRESSURE FALL REGION...JUST NORTH OF RETREATING WARM FRONT. 
12Z SOUNDING FROM ILX INDICATES SUBSTANTIAL ELEVATED INSTABILITY AND
STEEP MID LEVEL LAPSE RATES...ON THE ORDER OF 7.5C/KM...SUPPORTIVE
OF CONTINUED CONVECTIVE DEVELOPMENT.  IT APPEARS
THUNDERSTORMS...WITH SOME HAIL...AND LOCALLY STRONG WINDS...WILL
SPREAD ACROSS THE REMAINDER OF NRN IL TOWARD THE CHI METRO AREA OVER
THE NEXT FEW HOURS.  AT THIS TIME IT DOES NOT APPEAR CONDITIONS WILL
PROVE SUPPORTIVE OF A SEVERE THUNDERSTORM WATCH.

..DARROW.. 02/16/2006

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

ATTN...WFO...LOT...ILX...DVN...

40898957 42038914 42288777 41478701 40498813 

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