[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 110435
SWOMCD
SPC MCD 110435 
ILZ000-IAZ000-110600-

MESOSCALE DISCUSSION 0813
NWS STORM PREDICTION CENTER NORMAN OK
1135 PM CDT TUE MAY 10 2005

AREAS AFFECTED...ERN NEB...CNTRL/SRN IA

CONCERNING...TORNADO WATCH 243...

VALID 110435Z - 110600Z

CONTINUE REMAINING VALID PORTION OF WW.  NEW SEVERE WW MAY BE ISSUED
ACROSS IOWA BEFORE 06Z.

MUCH OF CONVECTIVE ACTIVITY NOW APPEARS TO BE DEVELOPING JUST TO
COOL SIDE OF SURFACE FRONT...NEAR/EAST OF WAVE/MESO LOW WHICH
REMAINS EVIDENT IN SURFACE DATA MIGRATING ACROSS THE OMAHA AREA INTO
SOUTHWEST IOWA.  SEVERAL GUSTS IN EXCESS OF 40 KT HAVE BEEN MEASURED
NEAR CONVECTIVE CLUSTER ASSOCIATED WITH THIS FEATURE...WHICH MAY
CONTINUE ACROSS THE DES MOINES AREA BY THE 06-07Z TIME FRAME.  

DOWNSTREAM CLUSTER OF STORMS...NOW APPROACHING DES MOINES...IS ALSO
SHOWING INCREASING SIGNS OF DAMAGING WIND THREAT EASTWARD ALONG THE
INTERSTATE 80 CORRIDOR NEXT COUPLE OF HOURS.  

FAVORABLE LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION/SHEAR AND
INSTABILITY ALONG FRONTAL ZONE FAVOR CONTINUATION OF HAIL/DAMAGING
WIND THREAT THROUGH MUCH OF THE NIGHT.

..KERR.. 05/11/2005

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

ATTN...WFO...DVN...ARX...DMX...FSD...OAX...

41799583 42649534 42819324 42769163 41439074 41019170
41169362 41149531 

WWWW