Alaska Avalanche Map Layers


"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

Chugach State Park
Avalanche Report

Report not available. See CNFAIC for more information.

Seward and Lost Lake
Avalanche Report

Report not available. See CNFAIC for more information.

Summit Lake
Avalanche Report

Report not available. See CNFAIC for more information.

Turnagain Pass
Avalanche Report

Report not available. See CNFAIC for more information.

Issued at: Saturday, February 24, 2024 7:00AM
Issued by: CNFAIC

Juneau
Avalanche Report

Report not available. See CAAC for more information.

Cordova
Avalanche Report

Report not available. See CAC for more information.

Eastern Alaska Range
Avalanche Report

Report not available. See EARAC for more information.

Chilkat Pass
Avalanche Report

2024-02-25 Avalanche Danger
  • Considerable danger (above 6101')
  • Moderate danger (4401' to 6100')
  • Low danger (below 4400')
a0-0e6101-20310f f7941e
a0-0e4401-6100f fff200
a0-0e0-4400f 50b848
2024-02-25 Wind Slab
  • All aspects (above 6101')
a339-339e6101-20310f A200FF
2024-02-25 Persistent Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
a158-158e6101-20310f 0000FF
a293-293e4401-6100f 0000FF

Issued at: Saturday, February 24, 2024 7:00AM
Issued by: HAC

Lutak
Avalanche Report

2024-02-25 Avalanche Danger
  • Considerable danger (above 6101')
  • Moderate danger (4401' to 6100')
  • Low danger (below 4400')
a0-0e6101-20310f f7941e
a0-0e4401-6100f fff200
a0-0e0-4400f 50b848
2024-02-25 Wind Slab
  • All aspects (above 6101')
a339-339e6101-20310f A200FF
2024-02-25 Persistent Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
a113-113e6101-20310f 0000FF
a158-158e4401-6100f 0000FF

Issued at: Saturday, February 24, 2024 6:00AM
Issued by: HAC

Transitional
Avalanche Report

2024-02-25 Avalanche Danger
  • Considerable danger (above 6101')
  • Moderate danger (4401' to 6100')
  • Low danger (below 4400')
a0-0e6101-20310f f7941e
a0-0e4401-6100f fff200
a0-0e0-4400f 50b848
2024-02-25 Wind Slab
  • All aspects (above 6101')
a158-158e6101-20310f A200FF
2024-02-25 Persistent Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
a158-158e6101-20310f 0000FF
a293-293e4401-6100f 0000FF

Issued at: Saturday, February 24, 2024 6:00AM
Issued by: HAC

Hatcher Pass
Avalanche Report

Report not available. See HPAC for more information.

Issued at: Saturday, February 24, 2024 6:59AM
Issued by: HPAC

Continental
Avalanche Report

2024-02-25 Avalanche Danger
  • Considerable danger (above 6101')
  • Considerable danger (4401' to 6100')
  • Moderate danger (below 4400')
a0-0e6101-20310f f7941e
a0-0e4401-6100f f7941e
a0-0e0-4400f fff200
2024-02-25 Storm Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
  • All aspects (below 4400')
a158-158e6101-20310f A200FF
a158-158e4401-6100f A200FF
a158-158e0-4400f A200FF
2024-02-25 Wind Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
a158-158e6101-20310f 0000FF
a158-158e4401-6100f 0000FF

Issued at: Saturday, February 24, 2024 8:17AM
Issued by: VAC

Intermountain
Avalanche Report

2024-02-25 Avalanche Danger
  • Considerable danger (above 6101')
  • Considerable danger (4401' to 6100')
  • Moderate danger (below 4400')
a0-0e6101-20310f f7941e
a0-0e4401-6100f f7941e
a0-0e0-4400f fff200
2024-02-25 Storm Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
  • All aspects (below 4400')
a158-158e6101-20310f A200FF
a158-158e4401-6100f A200FF
a158-158e0-4400f A200FF
2024-02-25 Wind Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
a158-158e6101-20310f 0000FF
a158-158e4401-6100f 0000FF

Issued at: Saturday, February 24, 2024 8:17AM
Issued by: VAC

Maritime
Avalanche Report

2024-02-25 Avalanche Danger
  • Considerable danger (above 6101')
  • Considerable danger (4401' to 6100')
  • Moderate danger (below 4400')
a0-0e6101-20310f f7941e
a0-0e4401-6100f f7941e
a0-0e0-4400f fff200
2024-02-25 Storm Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
  • All aspects (below 4400')
a158-158e6101-20310f A200FF
a158-158e4401-6100f A200FF
a158-158e0-4400f A200FF
2024-02-25 Wind Slab
  • All aspects (above 6101')
  • All aspects (4401' to 6100')
a158-158e6101-20310f 0000FF
a158-158e4401-6100f 0000FF

Issued at: Saturday, February 24, 2024 8:17AM
Issued by: VAC


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:30AM Shade 112 by 1
2024-02-25 10:00AM Shade 132 by 11
2024-02-25 11:30AM Shade 154 by 17
2024-02-25 01:00PM Shade 177 by 20
2024-02-25 02:30PM Shade 201 by 18
2024-02-25 04:00PM Shade 223 by 13
2024-02-25 05:30PM Shade 244 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:30AM Shade 112 by 2
2024-02-25 10:00AM Shade 132 by 11
2024-02-25 11:30AM Shade 154 by 18
2024-02-25 01:00PM Shade 177 by 21
2024-02-25 02:30PM Shade 201 by 19
2024-02-25 04:00PM Shade 223 by 13
2024-02-25 05:30PM Shade 244 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:30AM Shade 112 by 1
2024-02-25 10:00AM Shade 132 by 11
2024-02-25 11:30AM Shade 154 by 18
2024-02-25 01:00PM Shade 177 by 20
2024-02-25 02:30PM Shade 201 by 19
2024-02-25 04:00PM Shade 223 by 13
2024-02-25 05:30PM Shade 244 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:30AM Shade 112 by 2
2024-02-25 10:00AM Shade 132 by 11
2024-02-25 11:30AM Shade 154 by 17
2024-02-25 01:00PM Shade 178 by 20
2024-02-25 02:30PM Shade 201 by 18
2024-02-25 04:00PM Shade 223 by 13
2024-02-25 05:30PM Shade 244 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 07:20AM Shade 109 by 1
2024-02-25 08:50AM Shade 129 by 11
2024-02-25 10:20AM Shade 151 by 19
2024-02-25 11:50AM Shade 174 by 22
2024-02-25 01:20PM Shade 198 by 21
2024-02-25 02:50PM Shade 221 by 15
2024-02-25 04:20PM Shade 242 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:10AM Shade 111 by 1
2024-02-25 09:40AM Shade 131 by 11
2024-02-25 11:10AM Shade 153 by 17
2024-02-25 12:40PM Shade 176 by 20
2024-02-25 02:10PM Shade 200 by 19
2024-02-25 03:40PM Shade 222 by 13
2024-02-25 05:10PM Shade 243 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:20AM Shade 113 by 1
2024-02-25 09:50AM Shade 134 by 9
2024-02-25 11:20AM Shade 156 by 15
2024-02-25 12:50PM Shade 179 by 18
2024-02-25 02:20PM Shade 202 by 16
2024-02-25 03:50PM Shade 224 by 10
2024-02-25 05:20PM Shade 245 by 2


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:30AM Shade 110 by 1
2024-02-25 10:00AM Shade 130 by 11
2024-02-25 11:30AM Shade 152 by 18
2024-02-25 01:00PM Shade 175 by 21
2024-02-25 02:30PM Shade 199 by 20
2024-02-25 04:00PM Shade 221 by 14
2024-02-25 05:30PM Shade 242 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 07:30AM Shade 111 by 1
2024-02-25 09:00AM Shade 131 by 11
2024-02-25 10:30AM Shade 152 by 18
2024-02-25 12:00PM Shade 176 by 22
2024-02-25 01:30PM Shade 200 by 20
2024-02-25 03:00PM Shade 222 by 14
2024-02-25 04:30PM Shade 243 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 07:30AM Shade 110 by 1
2024-02-25 09:00AM Shade 130 by 11
2024-02-25 10:30AM Shade 152 by 18
2024-02-25 12:00PM Shade 175 by 21
2024-02-25 01:30PM Shade 199 by 20
2024-02-25 03:00PM Shade 222 by 14
2024-02-25 04:30PM Shade 242 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:30AM Shade 112 by 1
2024-02-25 10:00AM Shade 132 by 10
2024-02-25 11:30AM Shade 154 by 17
2024-02-25 01:00PM Shade 177 by 19
2024-02-25 02:30PM Shade 201 by 18
2024-02-25 04:00PM Shade 223 by 12
2024-02-25 05:30PM Shade 244 by 3


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:10AM Shade 111 by 1
2024-02-25 09:40AM Shade 131 by 10
2024-02-25 11:10AM Shade 153 by 17
2024-02-25 12:40PM Shade 176 by 20
2024-02-25 02:10PM Shade 200 by 18
2024-02-25 03:40PM Shade 222 by 13
2024-02-25 05:10PM Shade 243 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:10AM Shade 111 by 1
2024-02-25 09:40AM Shade 131 by 10
2024-02-25 11:10AM Shade 153 by 17
2024-02-25 12:40PM Shade 176 by 20
2024-02-25 02:10PM Shade 199 by 18
2024-02-25 03:40PM Shade 222 by 13
2024-02-25 05:10PM Shade 243 by 4


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 08:10AM Shade 110 by 1
2024-02-25 09:40AM Shade 130 by 10
2024-02-25 11:10AM Shade 152 by 17
2024-02-25 12:40PM Shade 175 by 20
2024-02-25 02:10PM Shade 199 by 18
2024-02-25 03:40PM Shade 221 by 13
2024-02-25 05:10PM Shade 242 by 5

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