Belchenflue S
Stay on the ground: the launch is in the lee of a ridge.
Forecast updated 1 Nov, 14:07 · Zurich time · valid 2026-11-01
Conditions score out of 100, not a probability.
At 17:00
1,700 m
Thermal top
1,350 m
Cloud base
ENE 19
Launch, km/h
26
Gusts, km/h
Hour by hour
No clean windowAt launch · wind, then gusts, km/h
1114121916301737203921462646244423412033192617191723
- 08:00Wind behind launch.
- 09:00–16:00Lee of a ridge upwind: expect rotor.
Sunrise 07:14 · sunset 17:14
Wind and thermals aloft
17:00 · top 1,700 m · base 1,350 m · ENE 49 km/h at 1,600 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…
17:00sun 1°ENE 18 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