Colorado 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

CAIC zone
Avalanche Report

2024-04-21 Avalanche Danger
  • Low danger (above 11501')
  • Low danger (9501' to 11500')
  • Low danger (below 9500')
a0-0e11501-20310f 50b848
a0-0e9501-11500f 50b848
a0-0e0-9500f 50b848
2024-04-21 Wet Loose
  • W to E aspects (9501' to 11500')
  • NW to NE aspects (below 9500')
a248-113e9501-11500f A200FF
a293-68e0-9500f A200FF

Issued at: Saturday, April 20, 2024 4:30PM
Issued by: CAIC

CAIC zone
Avalanche Report

2024-04-21 Avalanche Danger
  • Moderate danger (above 11501')
  • Low danger (9501' to 11500')
  • Low danger (below 9500')
a0-0e11501-20310f fff200
a0-0e9501-11500f 50b848
a0-0e0-9500f 50b848
2024-04-21 Wet Loose
  • W to E aspects (above 11501')
  • NW to NE aspects (9501' to 11500')
a248-113e11501-20310f A200FF
a293-68e9501-11500f A200FF

Issued at: Saturday, April 20, 2024 4:30PM
Issued by: CAIC

CAIC zone
Avalanche Report

2024-04-21 Avalanche Danger
  • Low danger (above 11501')
  • Low danger (9501' to 11500')
  • Low danger (below 9500')
a0-0e11501-20310f 50b848
a0-0e9501-11500f 50b848
a0-0e0-9500f 50b848
2024-04-21 Wet Loose
  • W to E aspects (above 11501')
  • NW to NE aspects (9501' to 11500')
a248-113e11501-20310f A200FF
a293-68e9501-11500f A200FF

Issued at: Saturday, April 20, 2024 4:30PM
Issued by: CAIC

CAIC zone
Avalanche Report

2024-04-21 Avalanche Danger
  • Low danger (above 11501')
  • Low danger (9501' to 11500')
  • Low danger (below 9500')
a0-0e11501-20310f 50b848
a0-0e9501-11500f 50b848
a0-0e0-9500f 50b848

Issued at: Saturday, April 20, 2024 4:30PM
Issued by: CAIC


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-21 06:40AM Shade 76 by 2
2024-04-21 08:10AM Shade 90 by 20
2024-04-21 09:40AM Shade 105 by 37
2024-04-21 11:10AM Shade 127 by 53
2024-04-21 12:40PM Shade 165 by 64
2024-04-21 02:10PM Shade 213 by 61
2024-04-21 03:40PM Shade 243 by 48
2024-04-21 05:10PM Shade 262 by 31
2024-04-21 06:40PM Shade 276 by 13


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-21 06:30AM Shade 76 by 2
2024-04-21 08:00AM Shade 90 by 19
2024-04-21 09:30AM Shade 106 by 36
2024-04-21 11:00AM Shade 128 by 51
2024-04-21 12:30PM Shade 164 by 61
2024-04-21 02:00PM Shade 209 by 59
2024-04-21 03:30PM Shade 240 by 47
2024-04-21 05:00PM Shade 260 by 31
2024-04-21 06:30PM Shade 275 by 14


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-21 06:30AM Shade 75 by 1
2024-04-21 08:00AM Shade 90 by 19
2024-04-21 09:30AM Shade 105 by 36
2024-04-21 11:00AM Shade 127 by 51
2024-04-21 12:30PM Shade 163 by 61
2024-04-21 02:00PM Shade 208 by 59
2024-04-21 03:30PM Shade 239 by 47
2024-04-21 05:00PM Shade 259 by 31
2024-04-21 06:30PM Shade 274 by 14


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-21 06:30AM Shade 75 by 1
2024-04-21 08:00AM Shade 89 by 18
2024-04-21 09:30AM Shade 104 by 35
2024-04-21 11:00AM Shade 125 by 51
2024-04-21 12:30PM Shade 161 by 62
2024-04-21 02:00PM Shade 207 by 61
2024-04-21 03:30PM Shade 240 by 49
2024-04-21 05:00PM Shade 259 by 32
2024-04-21 06:30PM Shade 274 by 15

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