[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 220302
SWOMCD
SPC MCD 220301 
SDZ000-NEZ000-KSZ000-220430-

MESOSCALE DISCUSSION 0811
NWS STORM PREDICTION CENTER NORMAN OK
1001 PM CDT FRI MAY 21 2004

AREAS AFFECTED...SE SD/CNTRL AND ERN NEB/NCNTRL KS

CONCERNING...TORNADO WATCH 243...

VALID 220301Z - 220430Z

THREAT FOR TORNADIC SUPERCELLS REMAINS ACROSS WW 243...ESPECIALLY
ACROSS NRN HALF OF TORNADO WW. IN ADDITION...VERY LARGE HAIL REMAINS
POSSIBLE ACROSS ALL OF WW 243 OWING TO VERY UNSTABLE
AIRMASS/FAVORABLE SHEAR PROFILES. WW 243 CONTINUES.

ONGOING SUPERCELLS ACROSS NE/NCNTRL NEB INTO FAR SE SD HAVE A
HISTORY OF PRODUCING TORNADOES/VERY LARGE HAIL. CONTINUATION OF
TORNADIC THREAT WILL REMAIN ACROSS NCNTRL/NE NEB AND FAR SE SD THIS
EVENING...ESPECIALLY INVOF QUASI-STATIONARY FRONT...WHERE LOW LEVEL
HODOGRAPH LENGTH/CURVATURE IS MAXIMIZED IN MIDST OF RELATIVELY LOW
LCLS/LFCS. 

FURTHER SOUTH ACROSS FAR SCNTRL NEB/NCNTRL KS...HIGHER LCLS/LFCS
SUGGESTS RELATIVELY LESSER TORNADIC THREAT WITH HIGHER BASED
SUPERCELLS...WITH MAIN HAZARD BEING LARGE HAIL.

..GUYER.. 05/22/2004

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

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

39259974 43909935 43909673 39259730 

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