[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 121743
SWOMCD
SPC MCD 121743 
IAZ000-MOZ000-NEZ000-121915-

MESOSCALE DISCUSSION 1215
NWS STORM PREDICTION CENTER NORMAN OK
1243 PM CDT SAT JUN 12 2004

AREAS AFFECTED...SERN NEB...SWRN IA

CONCERNING...TORNADO WATCH 446...

VALID 121743Z - 121915Z

SURFACE ANALYSIS INDICATES A MESO-SCALE LOW HAS DEVELOPED ASSOCIATED
WITH THE SEVERE THUNDERSTORMS NOW MOVING ACROSS SERN NEB.  THIS IS
ENHANCING SHEAR AND CONVERGENCE EWD INTO SWRN IA.

EXTREME INSTABILITY IS FEEDING INTO THE DEVELOPING TORNADIC
SUPERCELLS FROM SAUNDERS SWD TO GAGE COUNTIES. THESE STORMS ARE
MOVING 260/25-30 AND WILL REACH THE MO RIVER AROUND 18Z VICINITY OF
OMA AND 19Z NEAR MO/IA BORDER.

TORNADOS HAVE BEEN REPORTED IN THE SAUNDERS COUNTY SUPERCELL AND ARE
LIKELY WITH THE GAGE COUNTY STORM.

CONDITIONS ARE FAVORABLE FOR A POSSIBLE LARGE...DAMAGING TORNADO AS
ACTIVITY MOVES INTO SWRN IA.

..HALES.. 06/12/2004

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

ATTN...WFO...DMX...EAX...OAX...

40939633 41919638 42129561 42079501 41929464 41589455
41319465 40629505 40219534 40159577 40279666 

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