Tools Beta
Snow
Storms, snowpack and avalanche forecasts for the Eastern Sierra, drawn so they are easier to see. Mammoth is the starting point.
Then see it drawn.
Avalanche sheet · Eastside Region
Reading the forecast…
The forecast's danger rating and problems shaded onto the actual slopes, by elevation, aspect and angle. Tap any slope for its readout.
Open the map → Storm tracker · Mammoth Pass, 9,300 ft Reading the station…Every storm this season as a layer on a pit wall: its date, how it fell, what sat on top of it before the next one, and the storm that is coming.
Open the pit wall →People worth following
- Mammoth Snowman ↗Mammoth weather and snow forecasts
- Eastern Sierra Avalanche Center ↗The avalanche forecast, observations and classes for the Eastside
Sources
- California Data Exchange Center (CDEC)Snow station readings
- USDA NRCS Snow Survey (SNOTEL)Snow station readings
- National Weather ServiceStorm forecast and summit wind
- avalanche.org and the forecasting avalanche centersDanger ratings, problems and forecast text
- Terrain Tiles (Mapzen, AWS Open Data)Elevation model
- OpenStreetMap contributors, via OpenFreeMapMap labels
* Estimated by these pages from the sources above, not measured or forecast by them.
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