[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 071907
SWOMCD
SPC MCD 071906 
KSZ000-NEZ000-071930-

MESOSCALE DISCUSSION 1562
NWS STORM PREDICTION CENTER NORMAN OK
0206 PM CDT WED JUL 07 2004

AREAS AFFECTED...PORTIONS OF SOUTH CENTRAL NEB AND NRN KS

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 071906Z - 071930Z

WW MAY BE REQUIRED BY 1930Z FOR PORTIONS OF SOUTH CENTRAL NEB AND
NRN KS.

18Z SURFACE ANALYSIS COMBINED WITH VIS IMAGERY SHOWED SEVERAL
SURFACE BOUNDARIES INTERSECTING ALONG THE NEB/KS BORDER NEAR 40 S
HSI.  A WARM FRONT EXTENDED FROM WRN NEB SEWD THROUGH THE POINT 40 S
HSI TO SERN KS...WHILE TWO SURFACE TROUGHS EXTENDED SWD AND SWWD
FROM THE BOUNDARY INTERSECTION ALONG THE NEB/KS BORDER.  WARM SECTOR
AIR MASS HAS BECOME MODERATELY TO EXTREMELY UNSTABLE...WITH SWLY LLJ
CONTINUING TO FEED THIS AIR MASS INTO THE ELEVATED STORMS ALONG AND
EAST OF THE WARM FRONT.  STORMS HAVE BECOME RAPIDLY SEVERE DURING
THE LAST HALF HOUR AT THIS INTERSECTION...WHICH MAY BE A SIGN THAT
ACTIVITY IS BECOMING SURFACE BASED GIVEN EXTREME INSTABILITY TO THE
SOUTHWEST.  ADDITIONAL STORMS WILL DEVELOP OVER THE NEXT FEW HOURS
WITH STRONG DEEP LAYER SHEAR RESULTING IN SUPERCELLS WITH LARGE HAIL
AND DAMAGING WINDS LIKELY.

..PETERS.. 07/07/2004

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

ATTN...WFO...TOP...ICT...GID...LBF...DDC...GLD...

39169943 41390106 41409887 38569661 38219644 38149864 

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