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WWUS20 KWNS 102328

SEL0

SPC WW 102328

ILZ000-INZ000-KYZ000-MOZ000-110500-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 430

NWS Storm Prediction Center Norman OK

630 PM CDT Mon Aug 10 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern Illinois

  Southern Indiana

  Northern and western Kentucky

  Southeastern Missouri



* Effective this Monday night from 630 PM until Midnight CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1 inch in diameter possible



SUMMARY...An extensive line of thunderstorms with a history of

damaging winds will continue to move southeastward through late

evening and early tonight.  The storm environment should remain

favorable for occasional downbursts with damaging outflow in the

line of storms.



The severe thunderstorm watch area is approximately along and 60

statute miles north and south of a line from 35 miles west of Cape

Girardeau MO to 60 miles north northeast of Louisville KY. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Severe Thunderstorm Watch means conditions are

favorable for severe thunderstorms in and close to the watch area.

Persons in these areas should be on the lookout for threatening

weather conditions and listen for later statements and possible

warnings. Severe thunderstorms can and occasionally do produce

tornadoes.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 427...WW 428...WW 429...



AVIATION...A few severe thunderstorms with hail surface and aloft to

1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 550. Mean storm motion vector

32025.



...Thompson

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