Snotelier

A system for climbers and backcountry skiiers to preview avalanche danger from home.

Transcript

1. snotelier automated avalanche danger summaries Mark Gallup Tom Baldwin Insight Data Science Willamette Pass Ski Patrol
3. ? ?
4. measure snowpack properties once per hour 75 sites in WA, 81 in OR ? ? SNOTEL
5. measure snowpack properties once per hour 75 sites in WA, 81 in OR ? ? SNOTEL
6. measure snowpack properties once per hour 75 sites in WA, 81 in OR ? ? SNOTEL ? ?
7. measure snowpack properties once per hour 75 sites in WA, 81 in OR ? ? SNOTEL ? ? snotelier automatic avalanche danger summaries from SNOTEL data
8. feature engineering
9. Feature Value 1-day snowfall 0.0 3-day snowfall 8.0 max rate of snowfall 4.25 1-day water equivalent -0.1 3-day water equivalent 0.8 max rate of water equiv. 0.3 temperature during storm 31.0 temp. trend during storm 0.0 feature engineering condense time series data to set of relevant features
10. labeling + validation human-generated zone advisories from Northwest Avalanche Center fit with logistic regression model
11. algorithm
12. algorithm
13. who benefits? • Vastly expanded coverage area relative to NWAC (now covers OR) • Generated summary easier to digest • Tool for existing avalanche forecasters to prioritize areas
14. Tom Baldwin http://snotelier.com • Physics PhD 2015, University of Oregon • Semiconductor optics in high magnetic fields • Running, climbing, snowboarding baldwint.com