

245 

WWUS20 KWNS 050341

SEL0

SPC WW 050341

NDZ000-050900-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 330

NWS Storm Prediction Center Norman OK

1045 PM CDT Sat Jul 4 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Western North Dakota



* Effective this Saturday night and Sunday morning from 1045 PM

  until 400 AM CDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Multiple clusters of storms will move from Montana into

western North Dakota overnight.  The storm environment will support

a continued threat for occasional damaging gusts and large hail with

the more intense storms.



The severe thunderstorm watch area is approximately along and 40

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

of Williston ND to 65 miles south southwest of Dickinson ND. For a

complete depiction of the watch see the associated watch outline

update (WOUS64 KWNS WOU0).



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 328...WW 329...



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

26030.



...Thompson

