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660 

WWUS20 KWNS 171926

SEL7

SPC WW 171926

ILZ000-MOZ000-180200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 517

NWS Storm Prediction Center Norman OK

230 PM CDT Wed Jul 17 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western Illinois

  Northeast Missouri



* Effective this Wednesday afternoon and evening from 230 PM

  until 900 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1 inch in diameter possible

  A tornado or two possible



SUMMARY...A quasi-linear severe cluster will continue to move

generally southeastward with damaging winds as the primary risk

through the afternoon/early evening.



The severe thunderstorm watch area is approximately along and 45

statute miles north and south of a line from 60 miles west northwest

of Quincy IL to 80 miles east of Quincy IL. For a complete depiction

of the watch see the associated watch outline update (WOUS64 KWNS

WOU7).



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 515...WW 516...



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 600. Mean storm motion vector

30030.



...Guyer

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