WWUS20 KWNS 042002

SEL2  

SPC WW 042002

MTZ000-NDZ000-SDZ000-WYZ000-050300-



URGENT - IMMEDIATE BROADCAST REQUESTED

Severe Thunderstorm Watch Number 272

NWS Storm Prediction Center Norman OK

205 PM MDT Thu Jun 4 2026



The NWS Storm Prediction Center has issued a



* Severe Thunderstorm Watch for portions of 

  Far Southeast Montana

  Far Southwest North Dakota

  Western South Dakota

  Far Northeast Wyoming



* Effective this Thursday afternoon and evening from 205 PM until

  900 PM MDT.



* Primary threats include...

  Scattered large hail and isolated very large hail events to 2

    inches in diameter possible

  Scattered damaging wind gusts to 70 mph possible



SUMMARY...Thunderstorms are developing within the modestly unstable

and moderately sheared airmass across eastern Montana and northeast

Wyoming. These storms are expected to move eastward/southeastward

into far southwest North Dakota and western South Dakota throughout

the afternoon and evening. Environmental conditions support

supercells capable of large to isolated very large hail and damaging

gusts.



The severe thunderstorm watch area is approximately along and 110

statute miles north and south of a line from 25 miles south

southwest of Broadus MT to 85 miles east northeast of Rapid City SD.

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.



&&



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

2 inches. Extreme turbulence and surface wind gusts to 60 knots. A

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

27030.



...Mosier