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WWUS20 KWNS 272323

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SDZ000-WYZ000-280700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 126

NWS Storm Prediction Center Norman OK

525 PM MDT Sun May 27 2018



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western and central South Dakota

  Northeast Wyoming



* Effective this Sunday afternoon and Monday morning from 525 PM

  until 100 AM MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated very large hail events to 2 inches in diameter possible



SUMMARY...Multiple clusters of storms from southeast Wyoming to

central Nebraska will develop north-northeast into parts of western

and central South Dakota tonight. Strong to severe wind gusts and

severe hail are the primary hazards.



The severe thunderstorm watch area is approximately along and 70

statute miles north and south of a line from 115 miles west of Rapid

City SD to 25 miles east southeast of Pierre SD. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU6).



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 123...WW 124...WW 125...



AVIATION...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 450. Mean storm motion vector

20030.



...Grams

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