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656 

WWUS20 KWNS 290250

SEL7

SPC WW 290250

NDZ000-290700-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 317

NWS Storm Prediction Center Norman OK

950 PM CDT Sun Jun 28 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  South-central North Dakota



* Effective this Sunday night and Monday morning from 950 PM

  until 200 AM CDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Isolated large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...A band of storms will move eastward across south-central

North Dakota late this evening and early in the overnight. As this

happens, these storms will remain capable of damaging winds and some

severe hail, although overall storm intensity is expected to

gradually diminish overnight.



The severe thunderstorm watch area is approximately along and 50

statute miles east and west of a line from 65 miles north northeast

of Bismarck ND to 70 miles southeast of Bismarck ND. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU7).



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 313...WW 314...WW

315...WW 316...



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

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

few cumulonimbi with maximum tops to 550. Mean storm motion vector

25025.



...Guyer

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