Alaska Avalanche Map


"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

Select A Zone:

Eastern Alaska Range

Pre-populated CalTopo Map

Haines Chilkat Pass

Pre-populated CalTopo Map

Haines Transitional

Pre-populated CalTopo Map

Valdez Continental

Pre-populated CalTopo Map

Valdez Intermountain

Pre-populated CalTopo Map

Valdez Maritime

Pre-populated CalTopo Map

Chugach State Park

Pre-populated CalTopo Map

Seward and Lost Lake

Pre-populated CalTopo Map

Turnagain Pass

Pre-populated CalTopo Map

Cordova City/Borough

Pre-populated CalTopo Map

Avalanche Report

Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See AAIC for more information.
Report not available. See CNFAIC for more information.
Report not available. See CNFAIC for more information.
Report not available. See CNFAIC for more information.
Report not available. See CNFAIC for more information.

Issued at: Monday, March 20, 2023 8:00AM
Issued by: CNFAIC

Report not available. See CTCAK for more information.
Report not available. See JUAK for more information.
Report not available. See CAAC for more information.
Report not available. See HPAC for more information.

Issued at: Saturday, March 18, 2023 8:00AM
Issued by: HPAC

Sunlight Angles

Time of day Lighting (Az/Z)
2023-03-20 08:00AM Shade 92 by 1
2023-03-20 09:30AM Shade 112 by 12
2023-03-20 11:00AM Shade 134 by 21
2023-03-20 12:30PM Shade 158 by 28
2023-03-20 02:00PM Shade 183 by 29
2023-03-20 03:30PM Shade 209 by 26
2023-03-20 05:00PM Shade 232 by 19
2023-03-20 06:30PM Shade 253 by 10
Time of day Lighting (Az/Z)
2023-03-20 08:00AM Shade 92 by 1
2023-03-20 09:30AM Shade 113 by 11
2023-03-20 11:00AM Shade 134 by 19
2023-03-20 12:30PM Shade 158 by 25
2023-03-20 02:00PM Shade 183 by 27
2023-03-20 03:30PM Shade 208 by 24
2023-03-20 05:00PM Shade 231 by 18
2023-03-20 06:30PM Shade 252 by 9
Time of day Lighting (Az/Z)
2023-03-20 08:20AM Shade 91 by 1
2023-03-20 09:50AM Shade 111 by 12
2023-03-20 11:20AM Shade 132 by 21
2023-03-20 12:50PM Shade 156 by 28
2023-03-20 02:20PM Shade 182 by 30
2023-03-20 03:50PM Shade 207 by 27
2023-03-20 05:20PM Shade 231 by 20
2023-03-20 06:50PM Shade 252 by 10
Time of day Lighting (Az/Z)
2023-03-20 07:20AM Shade 92 by 1
2023-03-20 08:50AM Shade 112 by 12
2023-03-20 10:20AM Shade 133 by 22
2023-03-20 11:50AM Shade 157 by 29
2023-03-20 01:20PM Shade 183 by 31
2023-03-20 02:50PM Shade 209 by 28
2023-03-20 04:20PM Shade 232 by 20
2023-03-20 05:50PM Shade 253 by 10
Time of day Lighting (Az/Z)
2023-03-20 07:20AM Shade 92 by 1
2023-03-20 08:50AM Shade 111 by 12
2023-03-20 10:20AM Shade 133 by 22
2023-03-20 11:50AM Shade 156 by 28
2023-03-20 01:20PM Shade 182 by 31
2023-03-20 02:50PM Shade 208 by 28
2023-03-20 04:20PM Shade 231 by 20
2023-03-20 05:50PM Shade 252 by 10
Time of day Lighting (Az/Z)
2023-03-20 08:00AM Shade 92 by 1
2023-03-20 09:30AM Shade 112 by 12
2023-03-20 11:00AM Shade 134 by 21
2023-03-20 12:30PM Shade 158 by 27
2023-03-20 02:00PM Shade 183 by 29
2023-03-20 03:30PM Shade 208 by 26
2023-03-20 05:00PM Shade 231 by 19
2023-03-20 06:30PM Shade 253 by 9
Time of day Lighting (Az/Z)
2023-03-20 08:00AM Shade 92 by 1
2023-03-20 09:30AM Shade 112 by 12
2023-03-20 11:00AM Shade 134 by 21
2023-03-20 12:30PM Shade 157 by 27
2023-03-20 02:00PM Shade 183 by 29
2023-03-20 03:30PM Shade 208 by 26
2023-03-20 05:00PM Shade 231 by 19
2023-03-20 06:30PM Shade 252 by 10
Time of day Lighting (Az/Z)
2023-03-20 08:00AM Shade 92 by 1
2023-03-20 09:30AM Shade 112 by 12
2023-03-20 11:00AM Shade 133 by 21
2023-03-20 12:30PM Shade 157 by 27
2023-03-20 02:00PM Shade 182 by 29
2023-03-20 03:30PM Shade 208 by 26
2023-03-20 05:00PM Shade 231 by 19
2023-03-20 06:30PM Shade 252 by 10
Time of day Lighting (Az/Z)
2023-03-20 08:20AM Shade 93 by 2
2023-03-20 09:50AM Shade 113 by 12
2023-03-20 11:20AM Shade 135 by 21
2023-03-20 12:50PM Shade 159 by 27
2023-03-20 02:20PM Shade 184 by 29
2023-03-20 03:50PM Shade 209 by 26
2023-03-20 05:20PM Shade 232 by 19
2023-03-20 06:50PM Shade 253 by 9
Time of day Lighting (Az/Z)
2023-03-20 08:20AM Shade 93 by 2
2023-03-20 09:50AM Shade 113 by 13
2023-03-20 11:20AM Shade 135 by 22
2023-03-20 12:50PM Shade 159 by 28
2023-03-20 02:20PM Shade 184 by 30
2023-03-20 03:50PM Shade 209 by 26
2023-03-20 05:20PM Shade 233 by 19
2023-03-20 06:50PM Shade 254 by 9
Time of day Lighting (Az/Z)
2023-03-20 08:20AM Shade 93 by 2
2023-03-20 09:50AM Shade 113 by 12
2023-03-20 11:20AM Shade 135 by 22
2023-03-20 12:50PM Shade 159 by 28
2023-03-20 02:20PM Shade 184 by 29
2023-03-20 03:50PM Shade 209 by 26
2023-03-20 05:20PM Shade 233 by 19
2023-03-20 06:50PM Shade 254 by 9
Time of day Lighting (Az/Z)
2023-03-21 08:10AM Shade 91 by 1
2023-03-21 09:40AM Shade 111 by 12
2023-03-21 11:10AM Shade 133 by 21
2023-03-21 12:40PM Shade 156 by 27
2023-03-21 02:10PM Shade 182 by 30
2023-03-21 03:40PM Shade 207 by 27
2023-03-21 05:10PM Shade 231 by 20
2023-03-21 06:40PM Shade 252 by 10
Time of day Lighting (Az/Z)
2023-03-20 08:00AM Shade 92 by 1
2023-03-20 09:30AM Shade 112 by 12
2023-03-20 11:00AM Shade 134 by 21
2023-03-20 12:30PM Shade 158 by 28
2023-03-20 02:00PM Shade 183 by 29
2023-03-20 03:30PM Shade 209 by 26
2023-03-20 05:00PM Shade 232 by 19
2023-03-20 06:30PM Shade 253 by 10
Time of day Lighting (Az/Z)
2023-03-20 07:10AM Shade 91 by 1
2023-03-20 08:40AM Shade 111 by 12
2023-03-20 10:10AM Shade 132 by 22
2023-03-20 11:40AM Shade 155 by 29
2023-03-20 01:10PM Shade 181 by 32
2023-03-20 02:40PM Shade 207 by 29
2023-03-20 04:10PM Shade 231 by 21
2023-03-20 05:40PM Shade 252 by 11
Time of day Lighting (Az/Z)
2023-03-20 07:20AM Shade 93 by 2
2023-03-20 08:50AM Shade 113 by 13
2023-03-20 10:20AM Shade 134 by 23
2023-03-20 11:50AM Shade 158 by 30
2023-03-20 01:20PM Shade 184 by 31
2023-03-20 02:50PM Shade 210 by 28
2023-03-20 04:20PM Shade 233 by 20
2023-03-20 05:50PM Shade 254 by 10
Time of day Lighting (Az/Z)
2023-03-19 08:20AM Shade 94 by 1
2023-03-19 09:50AM Shade 114 by 12
2023-03-19 11:20AM Shade 135 by 20
2023-03-19 12:50PM Shade 159 by 26
2023-03-19 02:20PM Shade 184 by 28
2023-03-19 03:50PM Shade 209 by 25
2023-03-19 05:20PM Shade 232 by 18
2023-03-19 06:50PM Shade 253 by 8

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