SNOW OBSERVATION WORKSPACE
A clearer view of the snowpack
Explore terrain, compare snow surfaces, and connect the evidence.
SIMULATED MEAN DEPTH—
Loading · valid preview cells
95TH PERCENTILE DEPTH—
Spatial distribution · synthetic
PREVIEW DEPTH SUPPORT— %
Ground cells with valid raster samples
NEAREST STATIONS— recent
No snapshot loaded
Loading terrainSurface explorer
Loading local terrain and scenario rasters…
USGS terrain + SnowSim— resampled surface previewZone outline · reference boundary
Simulated depth (in)
039.478.7+
Drag to orbit · scroll to zoom · right-drag to pan
Ground & snow transect Across slope
Choose direction and slide to reposition. Both extend 5% beyond the zone at each end. Horizontal distance; gaps mean no sample.
LATEST STATION OBSERVATIONS
Weather near selected zone
Five nearest stations · horizontal distance from zone center · Updates every 5 minutes
Zone location is loading.
Missing readings are never replaced with demo measurements.Proximity does not imply equivalent elevation or exposure. Live context is separate from simulated dates.
EXTERNAL CONTEXT
Eastern Sierra Avalanche Center
Regional backcountry information. Not an in-bounds Mammoth Mountain assessment.
Open ESAC’s original bulletin