

563 

WWUS20 KWNS 062032

SEL8

SPC WW 062032

MTZ000-070400-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 338

NWS Storm Prediction Center Norman OK

235 PM MDT Thu Jun 6 2019



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of

  Central Montana



* Effective this Thursday afternoon and evening from 235 PM until

  1000 PM MDT.



* Primary threats include...

  Scattered damaging wind gusts to 70 mph likely

  Isolated large hail events to 1.5 inches in diameter possible



SUMMARY...Thunderstorms are expected to spread across the watch area

through the afternoon and evening hours, with a few severe storms

possible.  High-based storms producing damaging winds and hail are

the main concern.



The severe thunderstorm watch area is approximately along and 70

statute miles east and west of a line from 80 miles east northeast

of Havre MT to 55 miles southeast of Dillon MT. For a complete

depiction of the watch see the associated watch outline update

(WOUS64 KWNS WOU8).



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 335...WW 336...WW 337...



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

24035.



...Hart

