SPC MD 1030



MD 1030 CONCERNING SEVERE THUNDERSTORM WATCH 343… FOR NORTHWEST KANSAS…FAR EAST COLORADO…AND SOUTH-CENTRAL NEBRASKA

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Mesoscale Discussion 1030
NWS Storm Prediction Center Norman OK
0551 PM CDT Sat Jun 08 2019

Areas affected...northwest Kansas...far east Colorado...and
south-central Nebraska

Concerning...Severe Thunderstorm Watch 343...

Valid 082251Z - 082345Z

The severe weather threat for Severe Thunderstorm Watch 343
continues.

SUMMARY...The severe thunderstorm threat will continue.
Thunderstorms are developing/continuing along a surface cold front
across Nebraska. Additional thunderstorms have developed farther
south in parts of northwest Kansas. The large-scale environment will
continue to support a severe potential into the evening.

DISCUSSION...A surface-cold front continues to move south and east
this evening. Convergence along this front has allowed for the
development and maintenance of several severe thunderstorms across
southern Nebraska, with additional thunderstorms along a myriad of
surface boundaries in northwest Kansas. Mixed-layer CAPE around 3000
J/kg and deep-layer shear around 30-40 knots along and ahead of
these storms will maintain an environment supportive of severe
thunderstorms capable of producing gusty winds and large hail.
Additionally, sufficient combination of 0-3km CAPE values and
surface vorticity in the region will support the potential for a
landspout or two with any vigorous updraft that persists atop any
surface boundary. Additionally as thunderstorms from the northern
cluster (Lincoln County, NE) interact with thunderstorms from the
southern cluster (Hayes County, NE) an increase in the potential for
all severe modes may briefly occur.

..Marsh.. 06/08/2019

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...OAX...GID...LBF...DDC...GLD...PUB...BOU...

LAT...LON   38600311 39540310 39570278 40400274 40420204 41370201
            41390141 41730138 41760084 42080084 42079827 41049830
            41029869 40679871 40639915 40029920 40019963 39169963
            39140018 38710015 38700111 38280109 38250207 38610207
            38600311 

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