Utah Avalanche Map

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"What's the danger?" Here are autogenerated DEM Shading rules for each advisory zone that allow for quickly adding avalanche danger, problems, and sun angle layers to CalTopo maps. Reports sourced from avalanche.org.

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

Danger report updates are fetched at 7:33pm and 7:33am. The selected elevation bands are not meant to be exact, but represent a characteristic of the terrain which varies locally.

The highest band typically includes alpine areas beginning as the treeline transitions into open slopes extending to ridges and peaks.

The middle band is typically a narrow transition zone between dense forests and treeless alpine areas.

The lowest band typically extends from valley floors or snowline to near treeline.

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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: Abajos Logan Moab Ogden Provo Salt Lake Skyline Southwest Uintas

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Abajos

Pre-populated CalTopo Map

Logan

Pre-populated CalTopo Map

Moab

Pre-populated CalTopo Map

Ogden

Pre-populated CalTopo Map

Provo

Pre-populated CalTopo Map

Salt Lake

Pre-populated CalTopo Map

Skyline

Pre-populated CalTopo Map

Southwest

Pre-populated CalTopo Map

Uintas

Pre-populated CalTopo Map

Avalanche Report

Report not available. See UAC for more information.

Issued at: Saturday, March 18, 2023 6:46AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 4:33AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 4:29AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 5:38AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 5:20AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 3:37AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 5:37AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Tuesday, January 03, 2023 6:18AM
Issued by: UAC

Report not available. See UAC for more information.

Issued at: Sunday, March 19, 2023 1:32AM
Issued by: UAC

Sunlight Angles

Time of day	Lighting (Az/Z)
2023-03-19 07:40AM Shade	93 by 2 Copy to clipboard
2023-03-19 09:10AM Shade	107 by 20 Copy to clipboard
2023-03-19 10:40AM Shade	125 by 36 Copy to clipboard
2023-03-19 12:10PM Shade	151 by 48 Copy to clipboard
2023-03-19 01:40PM Shade	186 by 52 Copy to clipboard
2023-03-19 03:10PM Shade	218 by 45 Copy to clipboard
2023-03-19 04:40PM Shade	241 by 31 Copy to clipboard
2023-03-19 06:10PM Shade	258 by 15 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:40AM Shade	91 by 1 Copy to clipboard
2023-03-20 09:10AM Shade	107 by 18 Copy to clipboard
2023-03-20 10:40AM Shade	125 by 33 Copy to clipboard
2023-03-20 12:10PM Shade	150 by 44 Copy to clipboard
2023-03-20 01:40PM Shade	182 by 48 Copy to clipboard
2023-03-20 03:10PM Shade	214 by 43 Copy to clipboard
2023-03-20 04:40PM Shade	238 by 31 Copy to clipboard
2023-03-20 06:10PM Shade	256 by 15 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:30AM Shade	91 by 1 Copy to clipboard
2023-03-20 09:00AM Shade	106 by 18 Copy to clipboard
2023-03-20 10:30AM Shade	123 by 34 Copy to clipboard
2023-03-20 12:00PM Shade	148 by 47 Copy to clipboard
2023-03-20 01:30PM Shade	182 by 51 Copy to clipboard
2023-03-20 03:00PM Shade	215 by 46 Copy to clipboard
2023-03-20 04:30PM Shade	239 by 33 Copy to clipboard
2023-03-20 06:00PM Shade	257 by 16 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:40AM Shade	91 by 1 Copy to clipboard
2023-03-20 09:10AM Shade	106 by 18 Copy to clipboard
2023-03-20 10:40AM Shade	125 by 33 Copy to clipboard
2023-03-20 12:10PM Shade	150 by 45 Copy to clipboard
2023-03-20 01:40PM Shade	182 by 49 Copy to clipboard
2023-03-20 03:10PM Shade	214 by 43 Copy to clipboard
2023-03-20 04:40PM Shade	238 by 31 Copy to clipboard
2023-03-20 06:10PM Shade	256 by 16 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:40AM Shade	91 by 1 Copy to clipboard
2023-03-20 09:10AM Shade	106 by 18 Copy to clipboard
2023-03-20 10:40AM Shade	124 by 34 Copy to clipboard
2023-03-20 12:10PM Shade	149 by 45 Copy to clipboard
2023-03-20 01:40PM Shade	182 by 50 Copy to clipboard
2023-03-20 03:10PM Shade	215 by 44 Copy to clipboard
2023-03-20 04:40PM Shade	239 by 32 Copy to clipboard
2023-03-20 06:10PM Shade	256 by 16 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:40AM Shade	91 by 1 Copy to clipboard
2023-03-20 09:10AM Shade	106 by 18 Copy to clipboard
2023-03-20 10:40AM Shade	125 by 33 Copy to clipboard
2023-03-20 12:10PM Shade	150 by 45 Copy to clipboard
2023-03-20 01:40PM Shade	182 by 49 Copy to clipboard
2023-03-20 03:10PM Shade	214 by 44 Copy to clipboard
2023-03-20 04:40PM Shade	238 by 31 Copy to clipboard
2023-03-20 06:10PM Shade	256 by 16 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:40AM Shade	91 by 1 Copy to clipboard
2023-03-20 09:10AM Shade	106 by 18 Copy to clipboard
2023-03-20 10:40AM Shade	124 by 34 Copy to clipboard
2023-03-20 12:10PM Shade	149 by 46 Copy to clipboard
2023-03-20 01:40PM Shade	183 by 51 Copy to clipboard
2023-03-20 03:10PM Shade	215 by 45 Copy to clipboard
2023-03-20 04:40PM Shade	239 by 32 Copy to clipboard
2023-03-20 06:10PM Shade	257 by 16 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-01-04 08:00AM Shade	121 by 2 Copy to clipboard
2023-01-04 09:30AM Shade	137 by 15 Copy to clipboard
2023-01-04 11:00AM Shade	157 by 25 Copy to clipboard
2023-01-04 12:30PM Shade	180 by 29 Copy to clipboard
2023-01-04 02:00PM Shade	203 by 25 Copy to clipboard
2023-01-04 03:30PM Shade	222 by 16 Copy to clipboard
2023-01-04 05:00PM Shade	238 by 2 Copy to clipboard

Time of day	Lighting (Az/Z)
2023-03-20 07:40AM Shade	91 by 2 Copy to clipboard
2023-03-20 09:10AM Shade	107 by 18 Copy to clipboard
2023-03-20 10:40AM Shade	125 by 34 Copy to clipboard
2023-03-20 12:10PM Shade	150 by 45 Copy to clipboard
2023-03-20 01:40PM Shade	183 by 49 Copy to clipboard
2023-03-20 03:10PM Shade	215 by 44 Copy to clipboard
2023-03-20 04:40PM Shade	239 by 31 Copy to clipboard
2023-03-20 06:10PM Shade	256 by 15 Copy to clipboard

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