Tag: mst

Official

Flood Watch issued February 23 at 3:45AM MST until February 24 at 2:00PM MST by NWS Missoula MT

* WHAT...Flooding caused by rain and/or snowmelt and/or ice jam continues to be possible. * WHERE...Clearwater and Idaho Counties in Idaho. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Runoff will increase the risk for rock and mudslides below steep terrain. * ADDITIONAL DETAILS... - An atmospheric river will bring a significant warm up along with widespread rain through Monday, February 24. High temperatures will reach into the upper
Official

Avalanche Warning issued February 23 at 7:24AM MST by NWS Missoula MT

AVWMSO The following message is transmitted at the request of Idaho Panhandle Avalanche Center Sandpoint ID. ...AVALANCHE WARNING ISSUED BY THE IDAHO PANHANDLE AVALANCHE CENTER... 06:00 PST Sun Feb 23 2025 The Idaho Panhandle Avalanche Center in Sandpoint has issued a BACKCOUNTRY AVALANCHE WARNING for the following areas: NWS Missoula MT - MTZ001 (MTZ001) NWS Spokane WA - ID 017 (Bonner County)...ID 021 (Boundary County)...ID 079 (Shoshone County) * WHAT...An Avalanche Warning is in effect from Sunday 6 AM to Monday 6 AM. Very dangerous avalanche conditions have developed from wet, dense snowfall and moderate to heavy rain saturating the
Official

Avalanche Warning issued February 23 at 7:21AM MST by NWS Boise ID

The following message is transmitted at the request of the Payette National Forest Avalanche Center. ...The Payette National Forest Avalanche Center in McCall Idaho has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...The avalanche danger for the West Central Mountains of Idaho will rise to HIGH Sunday afternoon into Monday morning. Rain on snow and heavy, wet snow will create very dangerous avalanche conditions by Sunday afternoon. * WHERE...The West Central Mountains of Idaho, including mountains near the communities of McCall, New Meadows, Donnelly, Cascade, and Yellow Pine. * WHEN...In effect from Sun 07:00 MST to Mon 12:00 MST. * IMPACTS...A
Official

High Wind Warning issued February 22 at 12:54PM MST until February 25 at 11:00PM MST by NWS Cheyenne WY

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph Saturday into Sunday morning. Gusts up to 75 mph are anticipated Sunday afternoon onwards. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...Until 11 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility, even whiteout conditions, and slick roads. * ADDITIONAL DETAILS...This will be a long duration wind event. While strong winds with gusts
Official

High Wind Watch issued February 22 at 12:54PM MST until February 25 at 11:00PM MST by NWS Cheyenne WY

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Laramie Valley. * WHEN...From Sunday morning through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. * ADDITIONAL DETAILS...This will be a long duration wind event. While strong winds with gusts of 55 mph or greater are anticipated for most of this period, the greatest potential for gusts of 60 mph or greater will mainly be between Sunday afternoon and Monday morning.
Official

Hydrologic Outlook issued February 22 at 12:30PM MST by NWS Riverton WY

ESFRIW Low elevation snowpack of around 4 to 12 inches exists across much of the northern portion of the Bighorn Basin including Greybull, Lovell, Powell, and Cody. This snowpack contains an estimated 2 to 4 inches of Snow Water Equivalent (SWE). Temperatures beginning Sunday are expected to climb into the low 40s to near 50 degrees. The warm temperatures are expected to persist through at least the middle of next week. The warm temperatures, combined with the significant low elevation snowpack, could result in significant melting and injection into local rivers and streams. Ice break up on the Bighorn and
Official

Winter Weather Advisory issued February 22 at 11:47AM MST until February 24 at 11:00AM MST by NWS Riverton WY

* WHAT...Snow expected. Total snow accumulations between 6 and 10 inches, with up to 16 inches for the highest elevations of the Teton Mountains. Winds gusting as high as 40 mph, especially Sunday night. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 AM Sunday to 11 AM MST Monday. * IMPACTS...Travel could be very difficult due to falling and blowing snow over mountain passes, such as Teton and Togwotee Passes.
Official

Avalanche Advisory issued February 22 at 7:27AM MST by NWS Salt Lake City UT

SABSLC * WHAT...The avalanche danger is considerable in many areas. * WHERE...For the mountains of Utah, including the Wasatch Range, Bear River Range, Uinta Mountains, Wasatch Plateau, and Manti Skyline. * WHEN...In effect until 6 AM MST Sunday. * IMPACTS...A series of storms in the last week has left a thick blanket of snow at all elevations, creating excellent powder riding conditions while also elevating the backcountry avalanche danger. Don't let the fresh snow and sunshine influence your decision-making - avalanche conditions remain dangerous, and careful snowpack and terrain analysis are required for backcountry travel. Fortunately, there are great riding
Official

High Wind Warning issued February 22 at 11:38AM MST until February 24 at 5:00PM MST by NWS Riverton WY

* WHAT...West to southwest winds 20 to 30 mph with gusts up to 60 mph possible at times. Isolated gusts near 70 mph possible, especially near Clark. * WHERE...Cody Foothills. * WHEN...From 5 AM Sunday to 5 PM MST Monday. * IMPACTS...Travel could be difficult, especially for high profile vehicles, due to sudden, strong wind gusts.
Official

Avalanche Watch issued February 22 at 4:25PM MST by NWS Missoula MT

AVAMSO The following message is transmitted at the request of the West Central Montana Avalanche Center Missoula MT ...The West Central Montana Avalanche Center Missoula MT has issued a Backcountry Avalanche Watch... * WHAT...A warm weather system with potential for high elevation rain will impact the area Sunday. Avalanche danger will rise rapidly as the rain line rises in elevation. * WHERE...The Bitterroot mountains from Lost Trail Pass to Lolo Pass, The Rattlesnake Zone, and the Seeley Lake area. * WHEN...In effect until 700 AM MST Sunday. * IMPACTS...Heavy snowfall and rain may result in widespread areas of unstable snow.