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634 

WWUS20 KWNS 170434

SEL3

SPC WW 170434

MOZ000-171000-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 343

NWS Storm Prediction Center Norman OK

1135 PM CDT Fri Jun 16 2017



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Missouri



* Effective this Friday night and Saturday morning from 1135 PM

  until 500 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...A fast-moving line of convection will continue to steadily

move east-southeastward into and across east-central Missouri during

the overnight hours. Isolated wind damage will be possible along

with the possibility of a few instances of severe hail.



The severe thunderstorm watch area is approximately along and 30

statute miles east and west of a line from 30 miles northwest of

Quincy IL to 20 miles south of Jefferson City MO. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU3).



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 341...WW 342...



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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 600. Mean storm motion vector

30035.



...Guyer

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