Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Snotelier
Search
Tom Baldwin
February 15, 2016
0
140
Snotelier
A system for climbers and backcountry skiiers to preview avalanche danger from home.
Tom Baldwin
February 15, 2016
Tweet
Share
Featured
See All Featured
The Invisible Customer
myddelton
119
13k
Pencils Down: Stop Designing & Start Developing
hursman
118
11k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
22
1.7k
Web Components: a chance to create the future
zenorocha
308
41k
Robots, Beer and Maslow
schacon
PRO
157
8.1k
How to name files
jennybc
75
97k
Building Your Own Lightsaber
phodgson
101
5.9k
VelocityConf: Rendering Performance Case Studies
addyosmani
321
23k
Statistics for Hackers
jakevdp
793
220k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
363
22k
A Philosophy of Restraint
colly
202
16k
Visualization
eitanlees
142
15k
Transcript
snotelier automated avalanche danger summaries Mark Gallup Tom Baldwin Insight
Data Science Willamette Pass Ski Patrol
None
? ?
measure snowpack properties once per hour 75 sites in WA,
81 in OR ? ? SNOTEL
measure snowpack properties once per hour 75 sites in WA,
81 in OR ? ? SNOTEL
measure snowpack properties once per hour 75 sites in WA,
81 in OR ? ? SNOTEL ? ?
measure snowpack properties once per hour 75 sites in WA,
81 in OR ? ? SNOTEL ? ? snotelier automatic avalanche danger summaries from SNOTEL data
feature engineering
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
labeling + validation human-generated zone advisories from Northwest Avalanche Center
fit with logistic regression model
algorithm
algorithm
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
Tom Baldwin http://snotelier.com • Physics PhD 2015, University of Oregon
• Semiconductor optics in high magnetic fields • Running, climbing, snowboarding baldwint.com