Utah Avalanche Danger Report Interactive Map

---

"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.

---

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.

---

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: Abajos Logan Moab Ogden Provo Salt Lake Skyline Southwest Uintas

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• No rating (above 9001')
• No rating (7001' to 9000')
• No rating (below 7000')

Issued at: Thursday, February 19, 2026 6:08AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Moderate to Considerable danger (above 9001')
• Moderate to High danger (7001' to 9000')
• Considerable to High danger (below 7000')

2026-02-20 Wind Drifted Snow

Copy to clipboard

• All aspects (above 9001')
• NW to E aspects (7001' to 9000')
• NW to NE aspects (below 7000')

2026-02-20 Persistent Weak Layer

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')
• NW to NE aspects (below 7000')

Issued at: Thursday, February 19, 2026 6:29AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Low to Moderate danger (above 9001')
• Low to Considerable danger (7001' to 9000')
• Low to Considerable danger (below 7000')

2026-02-20 Persistent Weak Layer

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')
• NW to E aspects (below 7000')

2026-02-20 Wind Drifted Snow

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')

Issued at: Thursday, February 19, 2026 5:54AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Moderate danger (above 9001')
• Moderate to High danger (7001' to 9000')
• Considerable to High danger (below 7000')

2026-02-19 Wind Drifted Snow

Copy to clipboard

• All aspects (above 9001')
• NW to SE aspects (7001' to 9000')

2026-02-19 Persistent Weak Layer

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')

Issued at: Wednesday, February 18, 2026 7:21AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Moderate danger (above 9001')
• Moderate to High danger (7001' to 9000')
• Considerable to High danger (below 7000')

2026-02-20 Wind Drifted Snow

Copy to clipboard

• All aspects (above 9001')
• W to E aspects (7001' to 9000')

2026-02-20 Persistent Weak Layer

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')

Issued at: Thursday, February 19, 2026 7:17AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Moderate to Considerable danger (above 9001')
• Considerable to High danger (7001' to 9000')
• Considerable to High danger (below 7000')

2026-02-20 Wind Drifted Snow

Copy to clipboard

• All aspects (above 9001')
• W to SE aspects (7001' to 9000')

2026-02-20 Persistent Weak Layer

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')
• NW to NE aspects (below 7000')

Issued at: Thursday, February 19, 2026 6:32AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Low danger (above 9001')
• Low to Considerable danger (7001' to 9000')
• Low to High danger (below 7000')

2026-02-20 Persistent Weak Layer

Copy to clipboard

• W to E aspects (above 9001')
• W to E aspects (7001' to 9000')

Issued at: Thursday, February 19, 2026 6:50AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• No rating (above 9001')
• No rating (7001' to 9000')
• No rating (below 7000')

Issued at: Thursday, February 19, 2026 7:03AM
Issued by: UAC

Avalanche Report

Pre-populated CalTopo Map

2026-02-20 Avalanche Danger

Copy to clipboard

• Moderate to Considerable danger (above 9001')
• Considerable to High danger (7001' to 9000')
• High danger (below 7000')

2026-02-20 Wind Drifted Snow

Copy to clipboard

• All aspects (above 9001')
• All aspects (7001' to 9000')

2026-02-20 Persistent Weak Layer

Copy to clipboard

• NW to SE aspects (above 9001')
• NW to E aspects (7001' to 9000')

Issued at: Thursday, February 19, 2026 3:48AM
Issued by: UAC

Zone

Download GeoJSON

Download GeoJSON

Download GeoJSON

Download GeoJSON

Download GeoJSON

Download GeoJSON

Download GeoJSON

Download GeoJSON

Download GeoJSON

---

Change Regions: California Wyoming Oregon Alaska Montana Idaho Arizona New Hampshire Washington New Mexico Utah Colorado Canada

If you enjoyed this or found it helpful, please consider buying an espresso to keep the flow going.

Show Known Issues