Location types and symbology

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This page offers a detailed description of the supported location types, their geometries and the symbols used to display them on the location catalog map.

Location type Description Supported geometries Symbology
Operation area Represents main location of operation. Every operation need to have an operation location that acts as the parent for all other locations.
  • Polygon
  • Point
Polygon: Yellow outline with 10% white fill
Point: Yellow paddle
Forecast area Larger area that represents a unit for avalanche forecasting purposes. Typical spatial scales range from individuals bowls to large sections of western Canada. Typically used by ski areas, highway and railway forecasters, and public avalanche forecasting agencies.
  • Polygon
Polygon: Blue outline with 10% white fill
Operating zone Larger area that represents a unit for avalanche forecasting purposes. Typically used in mechanized and non-mechanized backcountry operations and commonly represent drainages or groups of drainages.
  • Polygon
Polygon: Red outline with 10% white fill
Permanent closure Permanently closed area of any spatial scales. Typically used in ski areas.
  • Polygon
Polygon: Black outline with 25% black fill
Road A complete or continuous section of a road. Can be used for both permanent roads (e.g., highways, access roads) and seasonal roads (e.g., cat roads in a catski operation).
  • Line
Line: Wide white line
Rail A complete or continuous section of a railway line.
  • Line
Line: Wide black line
Route A complete or continuous section of route, typically an uphill ski or climbing route. Primarily used by non-mechanized backcountry operations.
  • Line
Line: Light green line
Ski run Approximate location of a ski run.
  • Polygon
  • Line
  • Point
Polygon: Orange outline with transparent orange fill
Line: Orange line
Point: Red paddle
Control Route Approximate location of an avalanche control route.
  • Line
Line: Light green line
Avalanche path Location of an avalanche path.
  • Polygon
  • Line
  • Point
Polygon: Fuchsia outline with transparent fuchsia fill
Line: Fuchsia line
Point: Fuchsia paddle
Weather site Location of a permanent weather or snow profile observation site.
  • Point
Point: Black and white square
Shot placement Location on an avalanche path regularly used for avalanche control with explosives.
  • Point
Point: Purple diamond
(shown within avalanche path polygon)

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