New Hampshire 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

Presidential Range
Avalanche Report

2024-02-25 Avalanche Danger
  • Low danger (above 5101')
  • Moderate danger (3001' to 5100')
  • Low danger (below 3000')
a0-0e5101-20310f 50b848
a0-0e3001-5100f fff200
a0-0e0-3000f 50b848
2024-02-25 Wind Slab
  • E to SE aspects (3001' to 5100')
a68-158e3001-5100f A200FF

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


Sunlight Angles

Time of day Lighting (Az/Z)
2024-02-25 06:40AM Shade 104 by 1
2024-02-25 08:10AM Shade 121 by 16
2024-02-25 09:40AM Shade 141 by 28
2024-02-25 11:10AM Shade 165 by 36
2024-02-25 12:40PM Shade 193 by 36
2024-02-25 02:10PM Shade 218 by 29
2024-02-25 03:40PM Shade 238 by 17
2024-02-25 05:10PM Shade 255 by 2

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