Historical events

Past alpine weather, with the scientific contract visible

Reproducible event views made from archived model and terrain data. Each view names the physical quantity, native grid, time window, missing coverage and every spatial operation.

BARRA-R2 reanalysis · 25 hourly intervals

9–10 June 2021 BARRA-R2 snowfall event

Native 12 km BARRA-R2 accumulated snowfall water equivalent, shown with a separate Geoscience Australia elevation-mask inset for the Thredbo tile.

Quantity
mm SWE
Window
9 Jun 00:00 – 10 Jun 01:00 UTC
Terrain role
Context and aggregation only
Open event map

VIIRS/NPP · daily 375 m snow cover

Satellite snow-cover verification

A lightweight VNP10A1F adapter for snow-covered fractions by elevation band, with cloud persistence and unknown coverage kept visible.

Quantity
Snow-covered fraction
Current state
Metadata only · processing pending
Scientific pixels
Earthdata Login required
Open verification proof