Oregon Avalanche Maps


"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

Central Cascades
Avalanche Report

2023-04-02 Avalanche Danger
  • Considerable danger (above 5001')
  • Considerable danger (4001' to 5000')
  • Considerable danger (below 4000')
a0-0e5001-20310f f7941e
a0-0e4001-5000f f7941e
a0-0e0-4000f f7941e
2023-04-01 Wind Slab
  • NW to S aspects (above 5001')
  • NW to S aspects (4001' to 5000')
a293-203e5001-20310f A200FF
a293-203e4001-5000f A200FF
2023-04-01 Storm Slab
  • All aspects (above 5001')
  • All aspects (4001' to 5000')
  • All aspects (below 4000')
a158-158e5001-20310f 0000FF
a158-158e4001-5000f 0000FF
a158-158e0-4000f 0000FF
2023-04-01 Dry Loose
  • All aspects (above 5001')
  • All aspects (4001' to 5000')
  • All aspects (below 4000')
a158-158e5001-20310f 009AFF
a158-158e4001-5000f 009AFF
a158-158e0-4000f 009AFF

Issued at: Friday, March 31, 2023 9:07PM
Issued by: COAA

Newberry
Avalanche Report

Report not available. See COAA for more information.

Issued at: Wednesday, November 30, 2022 8:12AM
Issued by: COAA

Mt Hood
Avalanche Report

2023-04-02 Avalanche Danger
  • Considerable danger (above 5001')
  • Considerable danger (4001' to 5000')
  • Considerable danger (below 4000')
a0-0e5001-20310f f7941e
a0-0e4001-5000f f7941e
a0-0e0-4000f f7941e
2023-04-02 Wind Slab
  • All aspects (above 5001')
  • All aspects (4001' to 5000')
a113-113e5001-20310f A200FF
a158-158e4001-5000f A200FF
2023-04-02 Storm Slab
  • All aspects (4001' to 5000')
  • All aspects (below 4000')
a158-158e4001-5000f 0000FF
a158-158e0-4000f 0000FF

Issued at: Saturday, April 01, 2023 6:30PM
Issued by: NWAC

Blues
Avalanche Report

2023-04-02 Avalanche Danger
  • Considerable danger (above 5001')
  • Considerable danger (4001' to 5000')
  • Moderate danger (below 4000')
a0-0e5001-20310f f7941e
a0-0e4001-5000f f7941e
a0-0e0-4000f fff200
2023-04-02 Wind Slab
  • W to E aspects (above 5001')
  • W to E aspects (4001' to 5000')
a248-113e5001-20310f A200FF
a248-113e4001-5000f A200FF
2023-04-02 Storm Slab
  • All aspects (below 4000')
a203-203e0-4000f 0000FF

Issued at: Saturday, April 01, 2023 7:00AM
Issued by: WAC

Elkhorns
Avalanche Report

2023-04-02 Avalanche Danger
  • Considerable danger (above 5001')
  • Considerable danger (4001' to 5000')
  • Moderate danger (below 4000')
a0-0e5001-20310f f7941e
a0-0e4001-5000f f7941e
a0-0e0-4000f fff200
2023-04-02 Wind Slab
  • W to E aspects (above 5001')
  • W to E aspects (4001' to 5000')
a248-113e5001-20310f A200FF
a248-113e4001-5000f A200FF
2023-04-02 Storm Slab
  • All aspects (below 4000')
a203-203e0-4000f 0000FF

Issued at: Saturday, April 01, 2023 7:00AM
Issued by: WAC

Northern Wallowas
Avalanche Report

2023-04-02 Avalanche Danger
  • Considerable danger (above 5001')
  • Considerable danger (4001' to 5000')
  • Moderate danger (below 4000')
a0-0e5001-20310f f7941e
a0-0e4001-5000f f7941e
a0-0e0-4000f fff200
2023-04-02 Wind Slab
  • W to E aspects (above 5001')
  • W to E aspects (4001' to 5000')
a248-113e5001-20310f A200FF
a248-113e4001-5000f A200FF
2023-04-02 Storm Slab
  • All aspects (below 4000')
a203-203e0-4000f 0000FF

Issued at: Saturday, April 01, 2023 7:00AM
Issued by: WAC

Southern Wallowas
Avalanche Report

2023-04-02 Avalanche Danger
  • Considerable danger (above 5001')
  • Considerable danger (4001' to 5000')
  • Moderate danger (below 4000')
a0-0e5001-20310f f7941e
a0-0e4001-5000f f7941e
a0-0e0-4000f fff200
2023-04-02 Wind Slab
  • W to E aspects (above 5001')
  • W to E aspects (4001' to 5000')
a248-113e5001-20310f A200FF
a248-113e4001-5000f A200FF
2023-04-02 Storm Slab
  • All aspects (below 4000')
a203-203e0-4000f 0000FF

Issued at: Saturday, April 01, 2023 7:00AM
Issued by: WAC


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-01 07:00AM Shade 85 by 1
2023-04-01 08:30AM Shade 101 by 17
2023-04-01 10:00AM Shade 119 by 32
2023-04-01 11:30AM Shade 143 by 45
2023-04-01 01:00PM Shade 176 by 50
2023-04-01 02:30PM Shade 210 by 47
2023-04-01 04:00PM Shade 236 by 36
2023-04-01 05:30PM Shade 255 by 21
2023-04-01 07:00PM Shade 272 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2022-12-01 07:30AM Shade 122 by 1
2022-12-01 09:00AM Shade 139 by 13
2022-12-01 10:30AM Shade 159 by 22
2022-12-01 12:00PM Shade 182 by 24
2022-12-01 01:30PM Shade 204 by 21
2022-12-01 03:00PM Shade 223 by 12


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 07:00AM Shade 85 by 2
2023-04-02 08:30AM Shade 101 by 17
2023-04-02 10:00AM Shade 120 by 32
2023-04-02 11:30AM Shade 144 by 44
2023-04-02 01:00PM Shade 176 by 50
2023-04-02 02:30PM Shade 209 by 46
2023-04-02 04:00PM Shade 236 by 35
2023-04-02 05:30PM Shade 255 by 21
2023-04-02 07:00PM Shade 272 by 5


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 06:40AM Shade 84 by 1
2023-04-02 08:10AM Shade 100 by 16
2023-04-02 09:40AM Shade 118 by 31
2023-04-02 11:10AM Shade 142 by 43
2023-04-02 12:40PM Shade 174 by 49
2023-04-02 02:10PM Shade 207 by 46
2023-04-02 03:40PM Shade 234 by 36
2023-04-02 05:10PM Shade 254 by 22
2023-04-02 06:40PM Shade 271 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 06:40AM Shade 84 by 1
2023-04-02 08:10AM Shade 100 by 17
2023-04-02 09:40AM Shade 118 by 32
2023-04-02 11:10AM Shade 142 by 44
2023-04-02 12:40PM Shade 174 by 50
2023-04-02 02:10PM Shade 208 by 47
2023-04-02 03:40PM Shade 234 by 37
2023-04-02 05:10PM Shade 254 by 22
2023-04-02 06:40PM Shade 271 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 06:40AM Shade 84 by 1
2023-04-02 08:10AM Shade 100 by 17
2023-04-02 09:40AM Shade 119 by 32
2023-04-02 11:10AM Shade 143 by 44
2023-04-02 12:40PM Shade 175 by 50
2023-04-02 02:10PM Shade 208 by 46
2023-04-02 03:40PM Shade 235 by 36
2023-04-02 05:10PM Shade 255 by 22
2023-04-02 06:40PM Shade 271 by 6


Sunlight Angles

Time of day Lighting (Az/Z)
2023-04-02 06:40AM Shade 84 by 1
2023-04-02 08:10AM Shade 100 by 17
2023-04-02 09:40AM Shade 119 by 32
2023-04-02 11:10AM Shade 143 by 44
2023-04-02 12:40PM Shade 175 by 50
2023-04-02 02:10PM Shade 209 by 47
2023-04-02 03:40PM Shade 235 by 36
2023-04-02 05:10PM Shade 255 by 22
2023-04-02 06:40PM Shade 271 by 6

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