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WWUS20 KWNS 131917

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IAZ000-KSZ000-MOZ000-NEZ000-140200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 41

NWS Storm Prediction Center Norman OK

220 PM CDT Fri Apr 13 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Southern Iowa

  Northeast Kansas

  Northwest Missouri

  Southeast Nebraska



* Effective this Friday afternoon and evening from 220 PM until

  900 PM CDT.



* Primary threats include...

  A few tornadoes likely

  Widespread large hail and isolated very large hail events to 2.5

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph likely



SUMMARY...Thunderstorms developing over eastern Kansas will track

northeastward across the watch area, while other isolated cells form

over IA/northern MO.  Supercells capable of large hail and a few

tornadoes are expected.



The tornado watch area is approximately along and 65 statute miles

east and west of a line from 40 miles west northwest of Knoxville IA

to 60 miles south southwest 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 39...WW 40...



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

surface and aloft to 2.5 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean

storm motion vector 23035.



...Hart

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