

704 

WWUS20 KWNS 042336

SEL9

SPC WW 042336

MTZ000-050600-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 329

NWS Storm Prediction Center Norman OK

540 PM MDT Sat Jul 4 2020



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Eastern Montana



* Effective this Saturday afternoon from 540 PM until Midnight

  MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph possible

  Scattered large hail events to 1.5 inches in diameter possible



SUMMARY...Scattered thunderstorms, in the form of high-based

supercells and clusters, will form and move across eastern Montana

through early tonight.  The storm environment will favor damaging

winds and large hail as the primary threats.



The severe thunderstorm watch area is approximately along and 80

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

Point MT to 15 miles west southwest of Broadus MT. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU9).



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...



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

26025.



...Thompson

