Dreibuendenstein-2120
📍 Grisons , Imboden District · Nearest city: Felsberg (5 km)
55 XC score / 100 · takeoff at 2120 m · 📍 View on map
Coordinates and external links
46.80430, 9.49890Forecast next days
Updated: 2026-04-19 16:14 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Condiciones marginales, base de cúmulos ~475 m, viento 15 km/h.
base ~475m · wind 15 km/hDía muy favorable para XC, base de cúmulos ~584 m, viento 15 km/h.
base ~584m · wind 15 km/h · precip 0.5mmDía volable, condiciones decentes, base de cúmulos ~1148 m, viento 13 km/h.
base ~1148m · wind 13 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20❌ Not recommended · peak 60 at 18h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
⏰ Useful window: 15:00 – 17:00
| 08 50 ☁️⚠️ | 09 55 ☁️⚠️ | 10 40 ☁️⚠️ | 11 40 ☁️⚠️ | 12 40 ☁️⚠️ | 13 40 ☁️⚠️ | 14 45 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 55 ☁️⚠️ | 18 60 ☁️⚠️ | 19 55 ☁️⚠️ | 20 50 ☁️⚠️ |
Peak 18h: CAPE 40 J/kg · LI 2.1 · BL top 1395 m · w* 0.0 m/s · cloud base 2695 m · 0°C at 2300 m · Pro score 54/100 · sun 10° over slope
2026-04-21⚠️ Marginal · peak 68 at 16h
- Cloud suck alto (97/100) — base bajo freezing con CU
⏰ Useful window: 16:00 – 17:00
| 08 35 ☁️⚠️ | 09 25 ☁️⚠️ | 10 55 ☁️⚠️ | 11 50 ☁️⚠️ | 12 60 ☁️⚠️ | 13 60 ☁️⚠️ | 14 55 ☁️⚠️ | 15 55 ☁️⚠️ | 16 68 ☁️⚠️ | 17 60 ☁️⚠️ | 18 60 ☁️⚠️ | 19 60 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 16h: CAPE 90 J/kg · LI -0.1 · BL top 1595 m · w* 8.0 m/s · cloud base 2870 m · 0°C at 1870 m · Pro score 58/100 · sun 24° over slope
Hourly flyability (0–100). ⛈️ = storm risk · ☁️⚠️ = cloud suck · 🏔️ = active ridge lift. CAPE = convective energy, LI = stability, BL top = thermal ceiling, w* = estimated dry thermal velocity. Source: Open-Meteo (ECMWF/GFS/ICON blend model).
Estimated vertical profile (Sounding)
Reference time: 18:00 (peak of the day)
Surface T: 2.8°C · Td: -1.8°C
LCL (cloud base): 575 m
BL top: 1395 m
0°C level: 2300 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 3 | Medium |
| Avg thermal probability | 0.79 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.55 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Upcoming competitions in this country
- PWCA Italy Gemona 2026 · 2026-07-25 – 2026-08-01 · PWCA
Copa del Mundo en Gemona del Friuli, Italia
Rules and notes
Airspaces in Switzerland are a tough subject, get all the info you can get before flying. More info on http://www.flyland.ch.
Nearby sites
Fulhorn-2450 (64) · Feldis - Mutta -1980 (52) · Staetzerhorn (54) · Alp Staetz-2130 (56) · Churer Joch (8) · Piz Danis-2450 (64)