Davos - Jakobshorn -2560
📍 Grisons , Praettigau/Davos District · Nearest city: Davos (4 km)
64 XC score / 100 · takeoff at 2503 m · 📍 View on map
Coordinates and external links
46.77280, 9.84544Forecast next days
Updated: 2026-04-19 16:03 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Condiciones marginales, base de cúmulos ~872 m, viento 22 km/h.
base ~872m · wind 22 km/hDía volable, condiciones decentes, base de cúmulos ~958 m, viento 18 km/h.
base ~958m · wind 18 km/hDía volable, condiciones decentes, base de cúmulos ~1187 m, viento 16 km/h.
base ~1187m · wind 16 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 50 at 9h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 40 ☁️⚠️ | 09 50 ☁️⚠️ | 10 40 ☁️⚠️ | 11 40 ☁️⚠️ | 12 40 ☁️⚠️ | 13 40 ☁️⚠️ | 14 35 ☁️⚠️ 🏔️ | 15 45 ☁️⚠️ 🏔️ | 16 35 ☁️⚠️ 🏔️ | 17 35 ☁️⚠️ 🏔️ | 18 35 ☁️⚠️ | 19 35 ☁️⚠️ | 20 45 ☁️⚠️ |
Peak 9h: CAPE 0 J/kg · LI 1.9 · BL top 365 m · w* 0.0 m/s · cloud base 2603 m · 0°C at 2320 m · Pro score 69/100 · sun 30° over slope
2026-04-21⚠️ Marginal · peak 60 at 13h
- Cloud suck alto (88/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 55 ☁️⚠️ | 10 55 ☁️⚠️ | 11 55 ☁️⚠️ | 12 55 ☁️⚠️ | 13 60 ☁️⚠️ | 14 60 ☁️⚠️ | 15 50 ☁️⚠️ 🏔️ | 16 53 ☁️⚠️ 🏔️ | 17 45 ☁️⚠️ | 18 55 ☁️⚠️ | 19 50 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 13h: CAPE 10 J/kg · LI 0.6 · BL top 1285 m · w* 0.0 m/s · cloud base 3715 m · 0°C at 2080 m · Pro score 78/100 · sun 39° 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: 09:00 (peak of the day)
Surface T: -2.8°C · Td: -3.6°C
LCL (cloud base): 100 m
BL top: 365 m
0°C level: 2320 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
Wind chart — altitude × time
Color: green < 20 km/h · yellow 20-30 · red >40. Arrows point to where the wind is blowing. Each column = 1 hour. 4 altitudes: 10m surface, 80m first thermal, 1500m (850 hPa) thermal cruise, 3000m (700 hPa) top.
Wind next days (Open-Meteo model)
Wind rose 10m — 2026-04-20
| Date | Morning 08-12h | Midday 12-16h | Evening 16-20h | |||
|---|---|---|---|---|---|---|
| 2026-04-20 | 6 km/h W | gust 19 | 17 km/h NW | gust 37 | 17 km/h NW | gust 39 |
| 2026-04-21 | 2 km/h N | gust 19 | 10 km/h NW | gust 35 | 13 km/h N | gust 37 |
Colors: green < 15 km/h (optimal) · orange 15-25 · red >25 (flying not recommended). ⚠️ = shear >25 km/h between 10m and 850 hPa (potentially broken thermals).
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 9 | High |
| Avg thermal probability | 0.77 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.53 | 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
Takeoff description
- TO 'Jakobshorn Gipfel': 3min from cable car peak station; windsock on top of mountain; - TO 'Jatzhütte': 10min from cable car (see picture): S-SW-W; easy. - TO 'Brämabüel': in winter by chair lift; in summer to be reached only by walking about 20min from the Jakobshorn peak
Rules and notes
Entire airspace around 'Davos' closed during WEF (World Economic Forum) end of January! LS-R at the end of Sertig-valley (check DABS to see if active). Airspaces in Switzerland are a tough subject, get all the info you can get before flying: http://www.flyland.ch. DABS (active danger areas etc): https://www.skybriefing.com/portal/de/
Nearby sites
Braemabuehl (52) · Davos - Schatzalp -1980 (62) · Davos - Parsenn- Hoehenweg -2200 (63) · Rinerhorn -2490 (55) · Jatzmeder-2090 (51) · Davos - Schiahorn -2700 (67)