Belchenflue S
Stay on the ground: the wind is behind launch.
Forecast updated 31 Oct, 08:05 · Zurich time · valid 2026-10-31
Conditions score out of 100, not a probability.
At 10:00
1,150 m
Thermal top
1,050 m
Cloud base
ENE 12
Launch, km/h
25
Gusts, km/h
Hour by hour
No clean windowAt launch · wind, then gusts, km/h
1016102012231225143316321530143115301424121713231522
- 08:00–10:00Wind behind launch.
- 11:00Gusts too strong at launch.
- 12:00–13:00Lee of a ridge upwind: expect rotor.
- 14:00Gusts too strong at launch.
- 15:00–16:00Wind behind launch.
Sunrise 07:12 · sunset 17:14
Wind and thermals aloft
10:00 · top 1,150 m · base 1,050 m · E 37 km/h at 1,200 m
Thermals, deeper yellow the higher they goCumulus on the base, veils higher upWind km/h, bold from 25Launch height
Terrain
The ground around the launch
Loading the terrain…
10:00sun 22°ENE 12 km/h at launch
Geometry from a ~25 m elevation model plus the forecast: rules of thumb, not a flow simulation. Elevation: EU-DEM, produced using Copernicus data and information funded by the European Union, via Terrain Tiles on AWS.
More detail
Days 4–7: lower confidence outlook