New Mexico Avalanche Danger Report Interactive Map

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"Where's the danger?" Here are autogenerated DEM Shading rules for each advisory zone that allow for quickly adding avalanche danger and problem layers to CalTopo maps.

Show Instructions

Digital Elevation Model (DEM) shading let's you create custom shading schemes based on elevation, slope, aspect and tree cover.

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Avalanche Report

The selected elevation bands are not meant to be exact, but represent a characteristic of the terrain which varies locally.

The highest band, ATL (Above Tree Line), typically includes alpine areas beginning as the treeline transitions into open slopes extending to ridges and peaks.

The middle band, NTL (Near Tree Line), is typically a narrow transition zone between dense forests and treeless alpine areas.

The lowest band, BTL (Below Tree Line), typically extends from valley floors or snowline to near treeline.

Adjusting bands

The default elevation bands may not be accurate for the current zone, you can adjust the bands by dragging the sliders.

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Usage

You'll find that Terrain Modeling in the left pane will show layers that can be turned on and edited. The right pane will show Custom Layers that can be toggled on or off.

Select A Zone: Northern New Mexico

Avalanche Report

Pre-populated CalTopo Map

2025-02-23 Avalanche Danger

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• Considerable danger (above 11501')
• Considerable danger (9501' to 11500')
• Moderate danger (below 9500')

2025-02-23 Persistent Slab

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• NW to E aspects (above 11501')
• W to E aspects (9501' to 11500')
• NW to NE aspects (below 9500')

Issued at: Saturday, February 22, 2025 6:51AM
Issued by: TAC

Zone

Download GeoJSON

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