

487 

WWUS20 KWNS 081820

SEL2

SPC WW 081820

MNZ000-NDZ000-090100-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 342

NWS Storm Prediction Center Norman OK

125 PM CDT Sat Jun 8 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northwestern Minnesota

  Southeastern and east central North Dakota



* Effective this Saturday afternoon and evening from 125 PM until

  800 PM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible

  A tornado or two possible



SUMMARY...Scattered thunderstorm development is expected through the

remainder of the afternoon along a slow-moving cold front from

eastern North Dakota into northwestern Minnesota.  The storm

environment will support a mix of clusters/line segments capable of

producing damaging gusts and large hail.  An isolated supercell may

also occur, with an attendant threat for a brief tornado.



The severe thunderstorm watch area is approximately along and 35

statute miles east and west of a line from 15 miles northwest of

Roseau MN to 70 miles south southwest of Fargo ND. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU2).



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.



&&



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

1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A

few cumulonimbi with maximum tops to 500. Mean storm motion vector

22030.



...Thompson

