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WWUS20 KWNS 091933

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IAZ000-KSZ000-NEZ000-100300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 273

NWS Storm Prediction Center Norman OK

235 PM CDT Tue Jun 9 2020



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Extreme southwest Iowa

  Northeast Kansas

  Southeast Nebraska



* Effective this Tuesday afternoon and evening from 235 PM until

  1000 PM CDT.



* Primary threats include...

  Several tornadoes likely

  Scattered large hail and isolated very large hail events to 3

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Surface-based thunderstorm development is expected in the

next 1-2 hours along a surface front in southern Nebraska and

northeast of a surface low in north central Kansas.  Additional

storm development is expected to the east through the afternoon and

evening, while individual storms will move to the northeast.  The

storm environment along and east of the front will favor supercells

capable of producing tornadoes, very large hail, and isolated

damaging gusts.



The tornado watch area is approximately along and 60 statute miles

north and south of a line from 45 miles north northwest of Concordia

KS to 5 miles north of Falls City NE. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU3).



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.



&&



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

surface and aloft to 3 inches. Extreme turbulence and surface wind

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

storm motion vector 22020.



...Thompson

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