[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 172257
SWOMCD
SPC MCD 172255 
ILZ000-MOZ000-IAZ000-180100-

MESOSCALE DISCUSSION 2029
NWS STORM PREDICTION CENTER NORMAN OK
0555 PM CDT TUE AUG 17 2004

AREAS AFFECTED...W NE

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 172255Z - 180100Z

A FEW SEVERE THUNDERSTORMS ARE POSSIBLE THIS LATE AFTERNOON AND
EVENING ACROSS W NEBRASKA.  A WW MAY BE REQUIRED WITHIN THE HOUR OR
TWO.

A CLUSTER OF DISORGANIZED THUNDERSTORMS HAS BEEN ONGOING FOR THE
PAST SEVERAL HOURS OVER SE WY AND NE PANHANDLE...AND THESE STORMS
ARE NOW PROPAGATING EASTWARD ACROSS W NE.  THESE STORMS ARE FORMING
IN AN AREA OF ENHANCED LIFT AHEAD OF A SFC LOW LOCATED OVER SE
WY...AND WILL BE MOVING AND DEVELOPING INTO AN AREA OF HIGHER
INSTABILITY WITH MLCAPES APPROACHING 1000 J/KG AND SFC-6KM SHEAR
VALUES AROUND 30-40 KTS...SUGGESTING STORM CLUSTER COULD BECOME MORE
ORGANIZED WITH TIME AS IT MOVES INTO THE REGION.  THEREFORE...AS THE
EVENING PROGRESSES...DEVELOPMENT OF A MCS IS POSSIBLE WITH DAMAGING
WINDS AND LARGE HAIL THE MAIN SEVERE WEATHER THREAT.

NOTE: GRAPHIC FOR THIS MCD MAY BE UNAVAILABLE DUE TO LOCAL SOFTWARE
PROBLEMS.

..LEVIT.. 08/17/2004

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

ATTN...WFO...LOT...ILX...LSX...DVN...DMX...EAX...

40389313 41409122 42139060 41978838 41108802 40278846
39328950 38939067 38849163 39599297