WOUS45 KBYZ 181135
AVWBYZ
MTZ067-191145-

Urgent - Immediate Broadcast Requested
Avalanche Warning
Gallatin National Forest Avalanche Center
Relayed by National Weather Service Billings MT
535 AM MDT Tue Mar 18 2025

The following message is transmitted at the request of the
Gallatin National Forest Avalanche Center.

The Gallatin NF Avalanche Center in Bozeman has issued a
BACKCOUNTRY AVALANCHE WARNING for the following areas:
NWS Pocatello ID - Fremont (Fremont County)
NWS Billings MT - MTZ067 (MTZ067)
NWS Great Falls MT - MTZ320 (MTZ320)

* WHAT...The avalanche danger is HIGH on all slopes. Natural and
human-triggered slides are very likely.

* WHERE...The mountains around Cooke City, West Yellowstone and
Island Park.

* WHEN...In effect from Mon 05:46 MST to Tue 05:46 MST.

* IMPACTS...Heavy snowfall on a weak snowpack is creating very
dangerous avalanche conditions.

* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche
conditions exist. Travel in avalanche terrain is not recommended.
Avoid traveling on or under slopes steeper than 30 degrees.
Avalanches may be triggered from flat terrain underneath steeper
slopes.

Consult http://www.mtavalanche.com or www.avalanche.org for more
detailed information.

Similar avalanche danger may exist at locations outside the
coverage area of this or any avalanche center.

$$