Montana Department of Transportation

Main Content

Accidents and Incidents Report

Special Weather Statement

***********************************************************************
 
Note:  Be sure to pay close attention to the date and time of each warning.    
This document contains all warnings in the state so please read the
complete document.
 
***********************************************************************

WWUS85 KBYZ 272031
SPSBYZ

Special Weather Statement
National Weather Service Billings MT
231 PM MDT TUE JUN 27 2017
 
WYZ098-099-272145-
Sheridan Foothills WY-Northeast Big Horn Mountains WY-
231 PM MDT TUE JUN 27 2017

...SIGNIFICANT WEATHER ADVISORY...

At 226 PM MDT, Doppler radar was tracking an area of thunderstorms 
coming across the Big Horn Mountains, centered about 25 miles west 
of Sheridan, moving east at 25 mph.

These storms may produce wind gusts of 50 to 55 mph as they move 
east into the Sheridan vicinity. Dangerous lightning and brief heavy 
rain are also expected. 

Locations impacted include...
Sheridan, Ranchester, Dayton, Granite Pass, Big Horn, Parkman,
Banner, Story and Burgess Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People in campgrounds should consider seeking sturdy shelter until 
these storms pass.

&&

LAT...LON 4460 10738 4461 10747 4464 10750 4463 10752
      4466 10752 4468 10756 4500 10766 4499 10678
      4456 10662 4456 10737
TIME...MOT...LOC 2026Z 250DEG 23KT 4470 10747 

--------------------------------

Tesar


****************************
****************************

WWUS85 KGGW 280100
SPSGGW

Special Weather Statement
National Weather Service Glasgow MT
700 PM MDT TUE JUN 27 2017
 
MTZ025-026-280200-
Dawson MT-Prairie MT-
700 PM MDT TUE JUN 27 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN WIBAUX...
NORTHEASTERN PRAIRIE...SOUTHERN RICHLAND AND DAWSON COUNTIES UNTIL
800 PM MDT...

At 659 PM MDT, trained weather spotters reported a strong
thunderstorm 8 miles west of West Glendive, or 10 miles west of
Glendive, moving east at 40 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Glendive, Terry, Fallon, Bloomfield, Intake, West Glendive, Lindsay,
Hoyt, Forest Park, Stipek and Marsh.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4674 10538 4752 10540 4751 10451 4736 10451
      4735 10442 4732 10445 4730 10441 4690 10442
      4686 10450 4686 10460 4670 10461
TIME...MOT...LOC 0059Z 261DEG 35KT 4713 10494 

--------------------------------

Proton


****************************
****************************

WWUS85 KMSO 272228
SPSMSO

Special Weather Statement
National Weather Service Missoula MT
328 PM PDT TUE JUN 27 2017
 
IDZ006-272315-
Southern Clearwater Mountains ID-
328 PM PDT TUE JUN 27 2017

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL IDAHO COUNTY UNTIL 415 PM
PDT...

At 328 PM PDT, Doppler radar was tracking a strong thunderstorm 42
miles south of Lowell, or 47 miles southeast of Grangeville, moving
east at 15 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

This storm will remain over mainly rural areas of central Idaho
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4551 11540 4564 11541 4570 11499 4550 11496
TIME...MOT...LOC 2228Z 261DEG 11KT 4557 11529 

--------------------------------


****************************
****************************

WWUS85 KTFX 280103
SPSTFX

Special Weather Statement
National Weather Service Great Falls MT
703 PM MDT TUE JUN 27 2017
 
MTZ015-052-280145-
Madison MT-Jefferson MT-
703 PM MDT TUE JUN 27 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MADISON AND
SOUTHERN JEFFERSON COUNTIES UNTIL 745 PM MDT...

At 703 PM MDT, trained weather spotters reported a strong 
thunderstorm 9 miles northwest of Silver Star, moving east at 25 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Whitehall, Silver Star, Pony, Cardwell, Waterloo and Lewis And Clark
Caverns State Park.

LAT...LON 4576 11249 4575 11247 4575 11219 4585 11243
      4587 11241 4592 11242 4588 11178 4556 11190
      4575 11250
TIME...MOT...LOC 0103Z 288DEG 23KT 4581 11236 

--------------------------------

Brusda


****************************
****************************