Attitash Resort — Snow Preservation
Matched OpenSkiMap ski area: Attitash Mountain Resort (94 mapped runs, 8821 m of vertical drop analyzed).
Score version: ASPECT_V3_FIXED_COORDS · calculated Sep 27, 2026 · source: OpenSkiMap/OpenStreetMap
| Attitash Resort | |
|---|---|
| Snow Preservation Score (0=poor, 100=excellent) |
93 |
| Solar Exposure Score | 7 |
| Overall Confidence | GOOD |
| Aspect advantage ratio (actual ÷ neutral-baseline irradiance) |
0.691 |
| Mean fall-line bearing | 342.6° |
| Orientation alignment (0=scattered, 1=fully consistent) |
0.79 |
| Mean slope (mapped, weighted) | 15.0° |
| Ski-season irradiance actual vs. neutral baseline (kWh/m²/day) |
2.20 vs. 3.18 |
Terrain orientation (vertical-drop-weighted)
Each spoke is a compass direction; length is the share of mapped, snow-holding terrain facing that way. A tall, narrow rose means the mountain consistently faces one direction; a round, even rose means it's scattered across every aspect.