

465 

WWUS20 KWNS 142021

SEL7

SPC WW 142021

NDZ000-150400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Tornado Watch Number 177

NWS Storm Prediction Center Norman OK

325 PM CDT Thu Jun 14 2018



The NWS Storm Prediction Center has issued a



* Tornado Watch for portions of

  Northwest and north-central North Dakota



* Effective this Thursday afternoon and evening from 325 PM until

  1100 PM CDT.



* Primary threats include...

  A few tornadoes likely with a couple intense tornadoes possible

  Widespread large hail and scattered very large hail events to 3

    inches in diameter likely

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...A few intense thunderstorms are expected to develop near

the Montana, Saskatchewan, and North Dakota border area and move

east across northwest and north-central portions of the state

through this evening. A long-track supercell or two is anticipated

producing very large hail and a few tornadoes.



The tornado watch area is approximately along and 80 statute miles

either side of a line from 20 miles south southwest of Williston ND

to 75 miles east northeast of Minot ND. For a complete depiction of

the watch see the associated watch outline update (WOUS64 KWNS

WOU7).



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.



&&



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 550. Mean

storm motion vector 27035.



...Grams

