[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 250300
SWOMCD
SPC MCD 250300 
IAZ000-SDZ000-NEZ000-KSZ000-COZ000-250400-

MESOSCALE DISCUSSION 0998
NWS STORM PREDICTION CENTER NORMAN OK
1000 PM CDT TUE MAY 24 2005

AREAS AFFECTED...PORTIONS SERN SD...CENTRAL/SRN NEB

CONCERNING...SEVERE THUNDERSTORM WATCH 324...

VALID 250300Z - 250400Z

SCATTERED STRONG-SEVERE TSTMS ARE EXPECTED TO CONTINUE FOR ANOTHER
2-3 HOURS IN SMALL AREA ROUGHLY BETWEEN HSI-OFK -- IN NARROW ZONE OF
FAVORABLE ELEVATED BUOYANCY.  ANY OF THIS ACTIVITY WHICH MOVES EWD
OFF PERSISTENT CONVERGENCE LINE WILL ENCOUNTER SUBSTANTIALLY REDUCED
LOW LEVEL THETAE AND IS LIKELY TO WEAKEN.  NRN END OF KS MCS...WHICH
EXTENDS INTO NEB SSE HDE...ALSO IS EXPECTED TO DIMINISH ALONG WITH
AVAILABLE INSTABILITY. WITH LIMITED SPATIAL COVERAGE AND TEMPORAL
DURATION OF SEVERE POTENTIAL BEYOND 4Z...BULK OF WW SHOULD EXPIRE AS
SCHEDULED.  WW MAY BE EXTENDED LOCALLY FOR AN HOUR OR TWO AS
NEEDED...FOR COUNTIES ALONG ITS SERN FRINGES.

..EDWARDS.. 05/25/2005

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

ATTN...WFO...FSD...OAX...ABR...GID...LBF...UNR...GLD...

40029884 39980212 43549992 43529650 

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