

089 

WWUS20 KWNS 110655

SEL5

SPC WW 110655

MNZ000-NDZ000-111200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 255

NWS Storm Prediction Center Norman OK

200 AM CDT Fri Jun 11 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  A small part of northwestern Minnesota

  Eastern North Dakota



* Effective this Friday morning from 200 AM until 700 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1 inch in diameter possible



SUMMARY...A squall line in central North Dakota will continue to

move generally eastward through the early morning hours, with the

threat for occasional damaging gusts and marginally severe hail

before the storms weaken after moving into western Minnesota toward

sunrise.



The severe thunderstorm watch area is approximately along and 65

statute miles east and west of a line from 60 miles north northeast

of Devils Lake ND to 70 miles south southeast of Jamestown ND. 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 253...WW 254...



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

1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few

cumulonimbi with maximum tops to 500. Mean storm motion vector

25035.



...Thompson

