785
WWUS20 KWNS 211836
SEL2
SPC WW 211836
MTZ000-220200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 442
NWS Storm Prediction Center Norman OK
1240 PM MDT Fri Jun 21 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Central Montana

* Effective this Friday afternoon and evening from 1240 PM until
  800 PM MDT.

* Primary threats include...
  Scattered large hail likely with isolated very large hail events
    to 3 inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...Isolated supercell thunderstorms will develop and track
across the watch area this afternoon and evening, capable of very
large hail and damaging wind gusts.  An isolated tornado or two is
also possible.

The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 65 miles west northwest
of Havre MT to 30 miles east southeast of Harlowton 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 441...

AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.

...Hart