New Hampshire Avalanche Map


"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

Select A Zone:

Presidential Range

Pre-populated CalTopo Map

Avalanche Report

2023-03-21 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
2023-03-21 Wind Slab
  • NE to S aspects (above 5101')
  • NE to S aspects (3001' to 5100')
a23-203e5101-20310f A200FF
a23-203e3001-5100f A200FF

Issued at: Monday, March 20, 2023 4:01AM
Issued by: MWAC

Sunlight Angles

Time of day Lighting (Az/Z)
2023-03-21 07:00AM Shade 91 by 2
2023-03-21 08:30AM Shade 107 by 17
2023-03-21 10:00AM Shade 127 by 32
2023-03-21 11:30AM Shade 152 by 42
2023-03-21 01:00PM Shade 183 by 46
2023-03-21 02:30PM Shade 213 by 41
2023-03-21 04:00PM Shade 237 by 30
2023-03-21 05:30PM Shade 256 by 15

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