

473 

WWUS20 KWNS 080021

SEL1

SPC WW 080021

NDZ000-SDZ000-080700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 341

NWS Storm Prediction Center Norman OK

725 PM CDT Fri Jun 7 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Southern to northeast North Dakota

  North-central South Dakota



* Effective this Friday night and Saturday morning from 725 PM

  until 200 AM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible



SUMMARY...Two separate areas of severe storm potential are evident.

Multiple discrete storms in northwest South Dakota should persist

northeast and may grow upscale into a cluster near the south-central

North Dakota and north-central South Dakota border in the late

evening. Additional, isolated severe storms are expected along a

front into northeast North Dakota.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 20 miles north of Devils

Lake ND to 45 miles southwest of Mobridge SD. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU1).



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 340...



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

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

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

24040.



...Grams

