Brunni Tümpfeli
Stay on the ground: the gusts are too strong.
Forecast updated 31 Oct, 08:06 · Zurich time · valid 2026-10-31
Conditions score out of 100, not a probability.
At 10:00
2,000 m
Thermal top
Blue
No cumulus
NE 9
Launch, km/h
36
Gusts, km/h
Hour by hour
No clean windowAt launch · wind, then gusts, km/h
728930933936103911371136113512361236113511361037
On light, sunny hours the slope breeze sets the launch wind, often from another side than these arrows.
- 08:00–14:00Gusts too strong at launch.
- 15:00–16:00Lee of a ridge upwind: expect rotor.
Sunrise 07:08 · sunset 17:14
Wind and thermals aloft
10:00 · top 2,000 m · no cumulus · ENE 13 km/h at 2,000 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°NE 9 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