Aiguillette (les Houches)
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Les Houches (3 km)
59 XC score / 100 · takeoff at 1745 m · 📍 View on map
Coordinates and external links
45.91140, 6.81917Forecast next days
Updated: 2026-04-19 16:08 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~1276 m, viento 16 km/h.
base ~1276m · wind 16 km/hDía volable, condiciones decentes, base de cúmulos ~1338 m, viento 13 km/h.
base ~1338m · wind 13 km/hDía muy favorable para XC, base de cúmulos ~2222 m, viento 11 km/h.
base ~2222m · wind 11 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20⚠️ Marginal · peak 65 at 17h
- Cloud suck alto (87/100) — base bajo freezing con CU
| 08 50 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 50 ☁️⚠️ | 14 40 ☁️⚠️ | 15 55 ☁️⚠️ | 16 60 ☁️⚠️ | 17 65 ☁️⚠️ | 18 55 ☁️⚠️ | 19 55 | 20 50 ☁️⚠️ |
Peak 17h: CAPE 10 J/kg · LI 0.4 · BL top 1080 m · w* 0.0 m/s · cloud base 3057 m · 0°C at 2620 m · Pro score 55/100 · sun 17° over slope
2026-04-21❌ Not recommended · peak 55 at 13h
- Día muy estable (CAPE<50, LI>2) — sin térmicas
- Cloud suck alto (92/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 30 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 55 ☁️⚠️ | 14 55 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 55 ☁️⚠️ | 18 35 ☁️⚠️ | 19 35 ☁️⚠️ | 20 30 ☁️⚠️ |
Peak 13h: CAPE 10 J/kg · LI 2.5 · BL top 1255 m · w* 0.0 m/s · cloud base 3632 m · 0°C at 2540 m · Pro score 60/100 · sun 40° 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: 17:00 (peak of the day)
Surface T: 9.0°C · Td: -1.5°C
LCL (cloud base): 1312 m
BL top: 1080 m
0°C level: 2620 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) | 6 | Medium |
| Avg thermal probability | 0.87 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.45 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Nearby sites
Plan Praz/ Brevent (Chamonix) (56) · Mont Lachat (58) · Tete noire de Pormenaz (48) · Plan de l'Aiguille (Chamonix) (50) · Les houches - Prarion (48) · Saint-Gervais-les-Bains - Plancert (49)