[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 231954
SWOMCD
SPC MCD 231953 
MIZ000-OHZ000-INZ000-ILZ000-232100-

MESOSCALE DISCUSSION 0847
NWS STORM PREDICTION CENTER NORMAN OK
0253 PM CDT SUN MAY 23 2004

AREAS AFFECTED...NRN IN...NWRN OH...SRN LOWER MI

CONCERNING...TORNADO WATCH 259...

VALID 231953Z - 232100Z

TORNADO WATCH IS EXPECTED TO BE REPLACED BY A NEW TORNADO WATCH
WITHIN THE HOUR.

CLUSTER OF SEVERE THUNDERSTORMS CONTINUE TO MOVE ENEWD ACROSS PARTS
OF NRN AND CENTRAL IN TOWARDS AIR THAT REMAINS VERY UNSTABLE. 
SURFACE DEW POINTS ARE NEAR 70F WITH TEMPERATURES NEAR/AROUND 80F...
GIVING SFC BASED CAPE VALUES ARE 2500-3500 J/KG ACROSS NRN IN INTO
SRN LOWER MI AHEAD OF THE ACTIVITY.  DURING THE PAST 3 HOURS...STORM
RELATIVE HELICITY HAS ALSO INCREASED WITH VALUES APPROACHING 200
M2/S2 IN SRN LOWER MI AND DEEP LAYER SHEAR OF 40 KT.  THUS...
ISOLATED TORNADOES CONTINUE TO BE POSSIBLE DURING THE NEXT SEVERAL
HOURS.

..MCCARTHY.. 05/23/2004

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

ATTN...WFO...CLE...ILN...DTX...IWX...GRR...IND...LOT...ILX...

39848821 40748808 41688728 42368615 42838447 42518255
41818301 41048370 40208575 40048783 

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