

472 

WWUS20 KWNS 081931

SEL2

SPC WW 081931

MTZ000-090200-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 352

NWS Storm Prediction Center Norman OK

135 PM MDT Thu Jul 8 2021



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Northeast Montana



* Effective this Thursday afternoon and evening from 135 PM until

  800 PM MDT.



* Primary threats include...

  Scattered damaging winds and isolated significant gusts to 75

    mph possible

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  A tornado or two possible



SUMMARY...Initially isolated severe storms including some supercells

will continue to spread east-southeastward this afternoon,

potentially become more intense as they reach far northeast Montana

and the North Dakota border vicinity later this afternoon. All

severe hazards are possible including large hail, damaging winds,

and perhaps some tornado risk near the Montana/North Dakota border

vicinity.



The severe thunderstorm watch area is approximately along and 70

statute miles north and south of a line from 70 miles west of

Glasgow MT to 10 miles north northeast of Sidney MT. 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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 350...WW 351...



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

2 inches. Extreme turbulence and surface wind gusts to 65 knots. A

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

29025.



...Guyer

