

175 

WWUS20 KWNS 082209

SEL5

SPC WW 082209

KSZ000-NEZ000-SDZ000-090400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 345

NWS Storm Prediction Center Norman OK

510 PM CDT Wed Jul 8 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northwest Kansas

  Central and Northeast Nebraska

  Southeast South Dakota



* Effective this Wednesday afternoon and evening from 510 PM

  until 1100 PM CDT.



* Primary threats include...

  Widespread damaging winds and isolated significant gusts to 75

    mph likely

  Scattered large hail and isolated very large hail events to 2.5

    inches in diameter possible

  A tornado or two possible



SUMMARY...Thunderstorms will form this afternoon over western

Nebraska into southeast South Dakota, and spread eastward across the

watch area through the evening.  Large hail will be a concern with

early storms, with increasing risk of damaging wind gusts through

the evening.



The severe thunderstorm watch area is approximately along and 90

statute miles north and south of a line from 25 miles west southwest

of Imperial NE to 45 miles east of Mitchell SD. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU5).



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 343...WW 344...



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

2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

26030.



...Hart

