SPC MD 1017

MD 1017 CONCERNING SEVERE THUNDERSTORM WATCH 309… FOR KANSAS…SOUTHERN NEBRASKA…SOUTHERN IOWA…NORTHWEST MISSOURI

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Mesoscale Discussion 1017
NWS Storm Prediction Center Norman OK
1041 PM CDT Fri Jun 26 2020

Areas affected...Kansas...Southern Nebraska...Southern
Iowa...Northwest Missouri

Concerning...Severe Thunderstorm Watch 309...

Valid 270341Z - 270545Z

The severe weather threat for Severe Thunderstorm Watch 309
continues.

SUMMARY...Severe threat continues across ww309.

DISCUSSION...LLJ is beginning to strengthen across the TX Panhandle
into western KS where it is forecast to approach 40kt over the next
few hours. This appears to be partly responsible for recent increase
in convection along/just north of the boundary near HLC.
Additionally, thunderstorm cluster east of CNK is intensifying with
a substantial hail signature noted with this slow-moving convection.
Over the next few hours an extensive, elongated corridor of
thunderstorms should evolve north of I-70 across KS, extending into
northern MO. Latest radar data suggests an MCV is beginning to
evolve with the High Plains convection near IML and this should
encourage downstream storms north of the boundary as well. Overall,
a slowly sagging band of storms should drop south with time if a
sufficient cold pool develops.

..Darrow.. 06/27/2020

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

ATTN...WFO...DMX...EAX...OAX...TOP...ICT...GID...DDC...GLD...

LAT...LON   40260083 40419781 40829593 41099249 40289257 39089659
            38789958 37770191 40260083 

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from SPC Mesoscale Discussions https://bit.ly/3i8pWXC

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