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URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 463

NWS Storm Prediction Center Norman OK

605 PM CDT Sat Jun 29 2019



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Parts of southwestern and south central North Dakota



* Effective this Saturday night and Sunday morning from 605 PM

  until 100 AM CDT.



* Primary threats include...

  A few tornadoes likely

  Scattered large hail and isolated very large hail events to 3

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Thunderstorm development appears to be underway near

Dickinson, where a front and outflow boundary intersect.  The storm

environment to the east favors supercells capable of producing very

large hail and tornadoes through late evening.  There will also be

some potential for upscale development into more of a cluster from

late evening into early tonight.



The tornado watch area is approximately along and 55 statute miles

north and south of a line from 90 miles west of Bismarck ND to 90

miles east of Bismarck ND. For a complete depiction of the watch see

the associated watch outline update (WOUS64 KWNS WOU3).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A Tornado Watch means conditions are favorable for

tornadoes and 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 461...WW 462...



AVIATION...Tornadoes and a few severe thunderstorms with hail

surface and aloft to 3 inches. Extreme turbulence and surface wind

gusts to 60 knots. A few cumulonimbi with maximum tops to 650. Mean

storm motion vector 26020.



...Thompson

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