Canada 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

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Moderate danger (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f fff200
a0-0e6000-7500f 939598
2024-04-28 Wind Slab
  • All aspects (9001' to 10500')
a158-158e9001-10500f A200FF
2024-04-28 Wet Loose
  • All aspects (9001' to 10500')
  • All aspects (7501' to 9000')
  • All aspects (below 7500')
a158-158e9001-10500f 0000FF
a158-158e7501-9000f 0000FF
a158-158e6000-7500f 0000FF

Issued at: Saturday, April 27, 2024 5:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Spring Conditions (9001' to 10500')
  • Spring Conditions (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598

Issued at: Tuesday, April 09, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Low danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • No rating (below 7500')
a0-0e9001-10500f 50b848
a0-0e7501-9000f 50b848
a0-0e6000-7500f 939598
2024-04-26 Wet Loose
  • E to W aspects (7501' to 9000')
  • E to W aspects (9001' to 10500')
a68-293e7501-9000f A200FF
a68-293e9001-10500f A200FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f 50b848
a0-0e6000-7500f 50b848
2024-04-26 Storm Slab
  • All aspects (9001' to 10500')
  • All aspects (7501' to 9000')
a248-248e9001-10500f A200FF
a248-248e7501-9000f A200FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f 50b848
a0-0e6000-7500f 50b848
2024-04-26 Wind Slab
  • NW to E aspects (9001' to 10500')
  • NW to E aspects (7501' to 9000')
a293-113e9001-10500f A200FF
a293-113e7501-9000f A200FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f 50b848
a0-0e6000-7500f 50b848
2024-04-26 Storm Slab
  • All aspects (9001' to 10500')
  • All aspects (7501' to 9000')
a339-339e9001-10500f A200FF
a339-339e7501-9000f A200FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Considerable danger (9001' to 10500')
  • Moderate danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f f7941e
a0-0e7501-9000f fff200
a0-0e6000-7500f 50b848
2024-04-26 Storm Slab
  • All aspects (7501' to 9000')
  • All aspects (9001' to 10500')
a339-339e7501-9000f A200FF
a339-339e9001-10500f A200FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • No forecast (9001' to 10500')
  • No forecast (7501' to 9000')
  • No forecast (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598

Issued at: Sunday, March 19, 2023 6:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Spring Conditions (9001' to 10500')
  • Spring Conditions (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598

Issued at: Monday, April 08, 2024 5:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Moderate danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f fff200
a0-0e6000-7500f 50b848
2024-04-26 Wind Slab
  • W to SE aspects (7501' to 9000')
  • W to SE aspects (9001' to 10500')
a248-158e7501-9000f A200FF
a248-158e9001-10500f A200FF

Issued at: Thursday, April 25, 2024 5:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • No rating (9001' to 10500')
  • No rating (7501' to 9000')
  • No rating (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598
2024-04-28 Wind Slab
  • All aspects (7501' to 9000')
  • All aspects (9001' to 10500')
a113-113e7501-9000f A200FF
a113-113e9001-10500f A200FF
2024-04-28 Deep Persistent Slab
  • All aspects (9001' to 10500')
a203-203e9001-10500f 0000FF

Issued at: Saturday, April 27, 2024 4:30PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Spring Conditions (9001' to 10500')
  • Spring Conditions (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598

Issued at: Thursday, April 25, 2024 5:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Spring Conditions (9001' to 10500')
  • Spring Conditions (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598
2024-04-28 Deep Persistent Slab
  • All aspects (9001' to 10500')
a158-158e9001-10500f A200FF

Issued at: Saturday, April 27, 2024 4:30PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • No forecast (9001' to 10500')
  • No forecast (7501' to 9000')
  • No forecast (below 7500')
a0-0e9001-10500f 939598
a0-0e7501-9000f 939598
a0-0e6000-7500f 939598

Issued at: Sunday, March 19, 2023 6:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Moderate danger (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f fff200
a0-0e6000-7500f 939598
2024-04-28 Storm Slab
  • All aspects (7501' to 9000')
  • All aspects (9001' to 10500')
a23-23e7501-9000f A200FF
a23-23e9001-10500f A200FF
2024-04-28 Wet Loose
  • All aspects (below 7500')
  • All aspects (7501' to 9000')
a248-248e6000-7500f 0000FF
a248-248e7501-9000f 0000FF

Issued at: Saturday, April 27, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Low danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • Spring Conditions (below 7500')
a0-0e9001-10500f 50b848
a0-0e7501-9000f 50b848
a0-0e6000-7500f 939598
2024-04-28 Wind Slab
  • All aspects (9001' to 10500')
a339-339e9001-10500f A200FF

Issued at: Saturday, April 27, 2024 5:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • No rating (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f 50b848
a0-0e6000-7500f 939598
2024-04-26 Persistent Slab
  • All aspects (9001' to 10500')
a113-113e9001-10500f A200FF
2024-04-26 Wet Loose
  • E to W aspects (7501' to 9000')
  • E to W aspects (9001' to 10500')
a68-293e7501-9000f 0000FF
a68-293e9001-10500f 0000FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Moderate danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f fff200
a0-0e6000-7500f 50b848
2024-04-26 Storm Slab
  • All aspects (7501' to 9000')
  • All aspects (9001' to 10500')
a293-293e7501-9000f A200FF
a293-293e9001-10500f A200FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada

Canada zone
Avalanche Report

2024-04-26 Avalanche Danger
  • Moderate danger (9001' to 10500')
  • Low danger (7501' to 9000')
  • Low danger (below 7500')
a0-0e9001-10500f fff200
a0-0e7501-9000f 50b848
a0-0e6000-7500f 50b848
2024-04-26 Wind Slab
  • NW to SE aspects (9001' to 10500')
a293-158e9001-10500f A200FF
2024-04-26 Wet Loose
  • SE to SW aspects (7501' to 9000')
  • SE to SW aspects (9001' to 10500')
  • SE to SW aspects (below 7500')
a113-248e7501-9000f 0000FF
a113-248e9001-10500f 0000FF
a113-248e6000-7500f 0000FF

Issued at: Thursday, April 25, 2024 4:00PM
Issued by: Avalanche Canada


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-28 06:40AM Shade 69 by 2
2024-04-28 08:10AM Shade 86 by 16
2024-04-28 09:40AM Shade 104 by 29
2024-04-28 11:10AM Shade 126 by 42
2024-04-28 12:40PM Shade 156 by 51
2024-04-28 02:10PM Shade 191 by 53
2024-04-28 03:40PM Shade 224 by 46
2024-04-28 05:10PM Shade 248 by 35
2024-04-28 06:40PM Shade 267 by 21
2024-04-28 08:10PM Shade 285 by 7


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-10 06:50AM Shade 79 by 1
2024-04-10 08:20AM Shade 96 by 16
2024-04-10 09:50AM Shade 115 by 30
2024-04-10 11:20AM Shade 139 by 41
2024-04-10 12:50PM Shade 169 by 48
2024-04-10 02:20PM Shade 202 by 47
2024-04-10 03:50PM Shade 230 by 38
2024-04-10 05:20PM Shade 252 by 26
2024-04-10 06:50PM Shade 270 by 11


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:30AM Shade 64 by 1
2024-04-26 08:00AM Shade 83 by 12
2024-04-26 09:30AM Shade 103 by 23
2024-04-26 11:00AM Shade 125 by 34
2024-04-26 12:30PM Shade 151 by 41
2024-04-26 02:00PM Shade 181 by 44
2024-04-26 03:30PM Shade 210 by 41
2024-04-26 05:00PM Shade 236 by 33
2024-04-26 06:30PM Shade 258 by 23
2024-04-26 08:00PM Shade 277 by 12
2024-04-26 09:30PM Shade 297 by 1


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:10AM Shade 70 by 1
2024-04-26 07:40AM Shade 87 by 15
2024-04-26 09:10AM Shade 105 by 30
2024-04-26 10:40AM Shade 127 by 43
2024-04-26 12:10PM Shade 156 by 52
2024-04-26 01:40PM Shade 193 by 53
2024-04-26 03:10PM Shade 225 by 46
2024-04-26 04:40PM Shade 249 by 34
2024-04-26 06:10PM Shade 268 by 20
2024-04-26 07:40PM Shade 285 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:10AM Shade 70 by 2
2024-04-26 07:40AM Shade 87 by 15
2024-04-26 09:10AM Shade 105 by 30
2024-04-26 10:40AM Shade 127 by 43
2024-04-26 12:10PM Shade 157 by 51
2024-04-26 01:40PM Shade 192 by 53
2024-04-26 03:10PM Shade 225 by 46
2024-04-26 04:40PM Shade 249 by 34
2024-04-26 06:10PM Shade 268 by 20
2024-04-26 07:40PM Shade 285 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:20AM Shade 70 by 1
2024-04-26 07:50AM Shade 86 by 15
2024-04-26 09:20AM Shade 104 by 30
2024-04-26 10:50AM Shade 126 by 43
2024-04-26 12:20PM Shade 156 by 52
2024-04-26 01:50PM Shade 192 by 54
2024-04-26 03:20PM Shade 225 by 47
2024-04-26 04:50PM Shade 249 by 35
2024-04-26 06:20PM Shade 268 by 20
2024-04-26 07:50PM Shade 285 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 05:50AM Shade 70 by 1
2024-04-26 07:20AM Shade 87 by 15
2024-04-26 08:50AM Shade 105 by 30
2024-04-26 10:20AM Shade 127 by 43
2024-04-26 11:50AM Shade 156 by 52
2024-04-26 01:20PM Shade 193 by 53
2024-04-26 02:50PM Shade 225 by 46
2024-04-26 04:20PM Shade 249 by 34
2024-04-26 05:50PM Shade 268 by 20
2024-04-26 07:20PM Shade 285 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2023-03-20 06:40AM Shade 92 by 1
2023-03-20 08:10AM Shade 109 by 16
2023-03-20 09:40AM Shade 129 by 29
2023-03-20 11:10AM Shade 154 by 38
2023-03-20 12:40PM Shade 183 by 41
2023-03-20 02:10PM Shade 211 by 36
2023-03-20 03:40PM Shade 235 by 26
2023-03-20 05:10PM Shade 254 by 13


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-09 06:00AM Shade 80 by 2
2024-04-09 07:30AM Shade 97 by 16
2024-04-09 09:00AM Shade 116 by 31
2024-04-09 10:30AM Shade 140 by 42
2024-04-09 12:00PM Shade 170 by 49
2024-04-09 01:30PM Shade 204 by 47
2024-04-09 03:00PM Shade 231 by 38
2024-04-09 04:30PM Shade 253 by 25
2024-04-09 06:00PM Shade 270 by 10


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:40AM Shade 70 by 1
2024-04-26 08:10AM Shade 87 by 15
2024-04-26 09:40AM Shade 105 by 30
2024-04-26 11:10AM Shade 126 by 43
2024-04-26 12:40PM Shade 156 by 52
2024-04-26 02:10PM Shade 192 by 53
2024-04-26 03:40PM Shade 225 by 46
2024-04-26 05:10PM Shade 249 by 34
2024-04-26 06:40PM Shade 268 by 20
2024-04-26 08:10PM Shade 285 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-28 06:30AM Shade 68 by 1
2024-04-28 08:00AM Shade 85 by 15
2024-04-28 09:30AM Shade 103 by 29
2024-04-28 11:00AM Shade 125 by 41
2024-04-28 12:30PM Shade 153 by 51
2024-04-28 02:00PM Shade 189 by 53
2024-04-28 03:30PM Shade 222 by 47
2024-04-28 05:00PM Shade 246 by 36
2024-04-28 06:30PM Shade 266 by 22
2024-04-28 08:00PM Shade 283 by 8


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:40AM Shade 71 by 2
2024-04-26 08:10AM Shade 88 by 16
2024-04-26 09:40AM Shade 105 by 31
2024-04-26 11:10AM Shade 128 by 44
2024-04-26 12:40PM Shade 158 by 53
2024-04-26 02:10PM Shade 195 by 54
2024-04-26 03:40PM Shade 227 by 46
2024-04-26 05:10PM Shade 251 by 34
2024-04-26 06:40PM Shade 269 by 19
2024-04-26 08:10PM Shade 286 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-28 06:30AM Shade 68 by 1
2024-04-28 08:00AM Shade 85 by 15
2024-04-28 09:30AM Shade 103 by 29
2024-04-28 11:00AM Shade 124 by 42
2024-04-28 12:30PM Shade 153 by 51
2024-04-28 02:00PM Shade 189 by 53
2024-04-28 03:30PM Shade 222 by 47
2024-04-28 05:00PM Shade 247 by 36
2024-04-28 06:30PM Shade 266 by 22
2024-04-28 08:00PM Shade 283 by 8


Sunlight Angles

Time of day Lighting (Az/Z)
2023-03-20 06:40AM Shade 92 by 2
2023-03-20 08:10AM Shade 110 by 16
2023-03-20 09:40AM Shade 130 by 29
2023-03-20 11:10AM Shade 154 by 38
2023-03-20 12:40PM Shade 183 by 41
2023-03-20 02:10PM Shade 212 by 36
2023-03-20 03:40PM Shade 235 by 26
2023-03-20 05:10PM Shade 255 by 13


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-28 05:40AM Shade 68 by 1
2024-04-28 07:10AM Shade 85 by 15
2024-04-28 08:40AM Shade 103 by 29
2024-04-28 10:10AM Shade 125 by 42
2024-04-28 11:40AM Shade 154 by 51
2024-04-28 01:10PM Shade 189 by 53
2024-04-28 02:40PM Shade 222 by 47
2024-04-28 04:10PM Shade 247 by 35
2024-04-28 05:40PM Shade 266 by 22
2024-04-28 07:10PM Shade 284 by 8


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-28 06:40AM Shade 68 by 1
2024-04-28 08:10AM Shade 85 by 15
2024-04-28 09:40AM Shade 104 by 28
2024-04-28 11:10AM Shade 126 by 41
2024-04-28 12:40PM Shade 154 by 50
2024-04-28 02:10PM Shade 189 by 52
2024-04-28 03:40PM Shade 221 by 46
2024-04-28 05:10PM Shade 246 by 35
2024-04-28 06:40PM Shade 266 by 22
2024-04-28 08:10PM Shade 283 by 8


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:30AM Shade 63 by 1
2024-04-26 08:00AM Shade 82 by 11
2024-04-26 09:30AM Shade 102 by 23
2024-04-26 11:00AM Shade 123 by 33
2024-04-26 12:30PM Shade 149 by 41
2024-04-26 02:00PM Shade 179 by 44
2024-04-26 03:30PM Shade 208 by 41
2024-04-26 05:00PM Shade 234 by 34
2024-04-26 06:30PM Shade 256 by 24
2024-04-26 08:00PM Shade 276 by 13
2024-04-26 09:30PM Shade 295 by 2


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 05:50AM Shade 68 by 1
2024-04-26 07:20AM Shade 86 by 14
2024-04-26 08:50AM Shade 104 by 27
2024-04-26 10:20AM Shade 126 by 39
2024-04-26 11:50AM Shade 154 by 48
2024-04-26 01:20PM Shade 188 by 50
2024-04-26 02:50PM Shade 219 by 45
2024-04-26 04:20PM Shade 244 by 34
2024-04-26 05:50PM Shade 264 by 22
2024-04-26 07:20PM Shade 282 by 8


Sunlight Angles

Time of day Lighting (Az/Z)
2024-04-26 06:20AM Shade 67 by 1
2024-04-26 07:50AM Shade 85 by 14
2024-04-26 09:20AM Shade 105 by 26
2024-04-26 10:50AM Shade 127 by 38
2024-04-26 12:20PM Shade 154 by 46
2024-04-26 01:50PM Shade 186 by 48
2024-04-26 03:20PM Shade 217 by 43
2024-04-26 04:50PM Shade 242 by 34
2024-04-26 06:20PM Shade 263 by 22
2024-04-26 07:50PM Shade 281 by 9

Change Regions:
Buy Me a Coffee at ko-fi.com
If you enjoyed this or found it helpful, please consider buying an espresso to keep the flow going.

Show Known Issues