Chatel Morclan (summit)
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Chatel (2 km)
59 XC score / 100 · takeoff at 1963 m · 📍 View on map
Coordinates and external links
46.27640, 6.85770Forecast next days
Updated: 2026-04-20 12:35 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~980 m, viento 9 km/h.
base ~980m · wind 9 km/hDía muy favorable para XC, base de cúmulos ~693 m, viento 14 km/h.
base ~693m · wind 14 km/hDía volable, condiciones decentes, base de cúmulos ~1302 m, viento 10 km/h.
base ~1302m · wind 10 km/hDía volable, condiciones decentes, base de cúmulos ~1302 m, viento 10 km/h.
base ~1302m · wind 10 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 55 at 10h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
⏰ Useful window: 13:00 – 15:00
| 08 50 | 09 50 ☁️⚠️ | 10 55 | 11 40 ☁️⚠️ | 12 45 ☁️⚠️ | 13 45 ☁️⚠️ | 14 45 ☁️⚠️ | 15 45 ☁️⚠️ | 16 55 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 50 ☁️⚠️ | 20 50 ☁️⚠️ |
Peak 10h: CAPE 0 J/kg · LI 1.0 · BL top 780 m · w* 0.0 m/s · cloud base 2338 m · 0°C at 2600 m · Pro score 63/100 · sun 35° over slope
2026-04-21⚠️ Marginal · peak 60 at 14h
- Cloud suck alto (93/100) — base bajo freezing con CU
| 08 30 | 09 50 | 10 55 ☁️⚠️ | 11 55 ☁️⚠️ | 12 55 ☁️⚠️ | 13 55 ☁️⚠️ | 14 60 ☁️⚠️ | 15 60 ☁️⚠️ | 16 30 ☁️⚠️ | 17 30 ☁️⚠️ | 18 35 ☁️⚠️ | 19 35 ☁️⚠️ | 20 35 ☁️⚠️ |
Peak 14h: CAPE 10 J/kg · LI 2.7 · BL top 1190 m · w* 0.0 m/s · cloud base 3063 m · 0°C at 1770 m · Pro score 63/100 · sun 36° 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: 10:00 (peak of the day)
Surface T: 3.9°C · Td: 0.9°C
LCL (cloud base): 375 m
BL top: 780 m
0°C level: 2600 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) | 10 | High |
| Avg thermal probability | 0.82 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.33 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
alti: 1975m on the grass, on the top. be carefull of the trees.
Nearby sites
Chatel Morclan (under the top) (58) · Abondance (58) · Avoriaz (64) · Morzine (54) · Thollon les memises (51) · Thollon les memises - Col de Pertuis (64)