This map will display events which have a latitude and longitude assigned. There may
be events from the time period selected which cannot be displayed due to the lack of a point
to assign them to. This happens when observations are reported, but the information is not complete
enough to determine their exact location.
Events are indicated by: or:
if there is a polygon associated with the event.
If there was a fatality associated with the event, they are marked with:
Weather stations are indicated by:
Snow Pits are indicated by:
Map Instructions
To change the events and snowpits on the map click the icon and a selection form will open up. Once you have made
you choices, click "Select Events", which will update the map and close the form. Alternatively, you can click the filter icon to close the form.
You can also turn on and off layers to the right of the map.
Click the icon in the lower left corner of the map to view it in full screen mode.
Avalanche Types:
All depths are in inches.
SS = soft slab
HS = hard slab
WS - wet slab
L - loose
WL - wet loose
Avalanche Size - Relative to Path:
R1 Very small, relative to the path
R2 Small, relative to the path
R3 Medium, relative to the path
R4 Large, relativie to the path
R5 Major or maximium, relative to the path
Avalanche Size - Destructive Force
D1 Relatively harmless to people
D2 Could bury, injure, or kill a person
D3 Could bury and destroy a car, damage a truck, destroy a wood frame house or break a few trees
D4 Could destroy a railway car, large truck, several buildings, or a substantial amount of forest
D5 Could gouge the landscape, Largest snow avalanche known.
Bridger Teton Avalanche Center 
or: 
if there is a polygon associated with the event.
