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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 390
NWS Storm Prediction Center Norman OK
1235 PM MDT Sat Jun 18 2022

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western to northern Montana

* Effective this Saturday afternoon and evening from 1235 PM
  until 700 PM MDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter possible
  Isolated damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Multiple splitting supercells should develop and spread
north-northeast this afternoon.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 50 miles northeast of Cut
Bank MT to 45 miles west of Butte MT. For a co*plete 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...c*NTINUE...WW 389...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
20035.

...Grams