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WWUS20 KWNS 142206

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IAZ000-ILZ000-KSZ000-MOZ000-150600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 501

NWS Storm Prediction Center Norman OK

510 PM CDT Sat Oct 14 2017



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southeast Iowa

  Northern and western Illinois

  Far eastern Kansas

  Northern Missouri



* Effective this Saturday afternoon and Sunday morning from 510

  PM until 100 AM CDT.



* Primary threats include...

  A couple tornadoes possible

  Isolated very large hail events to 2 inches in diameter possible

  Isolated damaging wind gusts to 70 mph possible



SUMMARY...Storms will continue to intensify in multiple pre-frontal

corridors across the region. Some hail will initially be possible,

but damaging winds should be the primary risk along with some

potential for tornadoes, particularly as low-level shear steadily

strengthens this evening.



The tornado watch area is approximately along and 55 statute miles

north and south of a line from 10 miles east southeast of Marseilles

IL to 15 miles west of Olathe KS. For a complete depiction of the

watch see the associated watch outline update (WOUS64 KWNS WOU1).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 500...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 2 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean

storm motion vector 24040.



...Guyer

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