[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 040120
SWOMCD
SPC MCD 040119 
ILZ000-WIZ000-IAZ000-040215-

MESOSCALE DISCUSSION 1869
NWS STORM PREDICTION CENTER NORMAN OK
0819 PM CDT TUE AUG 03 2004

AREAS AFFECTED...CENTRAL/ERN IA AND NWRN IL

CONCERNING...TORNADO WATCH 698...

VALID 040119Z - 040215Z

STRONG BOW ECHO MOVING INTO NWRN IL WITH DAMAGING WINDS LIKELY. 
NUMEROUS STRONG/SEVERE STORMS WILL MOVE EWD THROUGH CENTRAL IA
WITH HAIL AND WIND DAMAGE LIKELY.

BOW ECHO EXTENDS FROM EAST OF DBQ TO MLI TO 25 NW BRL. DVN AND ILX
EVENING SOUNDING SHOWS STEEP MID LEVEL LAPSE RATES WITH MLCAPES FROM
3000 TO 4000 J/KG. WELL DEVELOPED BOW ECHO IS LOCATED NEAR DBQ...AND
COUPLED WITH REAR INFLOW JET...A DAMAGING WIND THREAT SHOULD
CONTINUE WITH THE BOW UNTIL IT MOVES TOTALLY OUT OF WW BETWEEN
0200-0300Z.

OTHER STORMS HAVE SPREAD EWD FROM NEB/WRN IA INTO THE WRN PORTIONS
OF WW. HAIL IS THE MAIN THREAT WITH THESE STORMS...THOUGH GIVEN THE
STRONG INSTABILITY AND LIKELY COLD POOLING...ANOTHER BOW ECHO IS
LIKELY TO EVOLVE OUT OF THIS CONVECTION SHORTLY.

..IMY.. 08/04/2004

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

ATTN...WFO...LOT...ILX...MKX...DVN...ARX...DMX...

42129408 42159249 42509135 42539032 42148944 41018958
40709199 40669416 

WWWW