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WWUS20 KWNS 281621

SEL7

SPC WW 281621

IAZ000-ILZ000-MOZ000-282300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 457

NWS Storm Prediction Center Norman OK

1125 AM CDT Fri Jun 28 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southeast Iowa

  West-central Illinois

  Northern Missouri



* Effective this Friday morning and evening from 1125 AM until

  600 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Cluster of strong to locally severe storms over southeast

Iowa should move southward across northeast Missouri and

west-central Illinois, with additional storms potentially developing

west across north-central Missouri. Damaging winds from strong to

isolated severe wind gusts are the primary threat.



The severe thunderstorm watch area is approximately along and 85

statute miles east and west of a line from 45 miles north northeast

of Kirksville MO to 15 miles west southwest of Columbia MO. 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.



&&



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 500. Mean storm motion vector

01030.



...Grams

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