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065 

WWUS20 KWNS 290346

SEL9

SPC WW 290346

MTZ000-NDZ000-291100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 459

NWS Storm Prediction Center Norman OK

950 PM MDT Fri Jun 28 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Montana

  Northwest North Dakota



* Effective this Friday night and Saturday morning from 950 PM

  until 500 AM MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated very large hail events to 2 inches in diameter possible

  A tornado or two possible



SUMMARY...A linear band of storms will continue to move

east-northeastward through the late evening and overnight hours

across northeast Montana into northwest North Dakota. Locally

damaging winds and some severe hail will be the primary risks,

although a brief tornado cannot be ruled out in the presence of

strengthening low-level shear.



The severe thunderstorm watch area is approximately along and 55

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

of Wolf Point MT to 65 miles east of Williston ND. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU9).



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 458...



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 550. Mean storm motion vector

24030.



...Guyer

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