La Tourche
📍 Valais , Martigny District · Nearest city: Evionnaz (5 km)
58 XC score / 100 · takeoff at 2184 m · 📍 View on map
Coordinates and external links
46.21430, 7.06211Forecast next days
Updated: 2026-04-19 16:10 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~352 m, viento 11 km/h.
base ~352m · wind 11 km/hDía volable, condiciones decentes, base de cúmulos ~854 m, viento 15 km/h.
base ~854m · wind 15 km/hDía muy favorable para XC, base de cúmulos ~1450 m, viento 9 km/h.
base ~1450m · wind 9 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 55 at 15h
- Cloud suck alto (98/100) — base bajo freezing con CU
| 08 50 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 50 ☁️⚠️ | 14 50 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 40 ☁️⚠️ | 18 50 ☁️⚠️ | 19 55 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 15h: CAPE 10 J/kg · LI 0.1 · BL top 1595 m · w* 0.0 m/s · cloud base 2471 m · 0°C at 2530 m · Pro score 52/100 · sun 30° over slope
2026-04-21⚠️ Marginal · peak 55 at 10h
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 50 ☁️⚠️ | 10 55 ☁️⚠️ | 11 55 ☁️⚠️ | 12 50 ☁️⚠️ | 13 50 ☁️⚠️ | 14 55 ☁️⚠️ | 15 40 ☁️⚠️ | 16 40 ☁️⚠️ | 17 50 ☁️⚠️ | 18 35 ☁️⚠️ | 19 30 ☁️⚠️ | 20 30 ☁️⚠️ |
Peak 10h: CAPE 0 J/kg · LI 2.5 · BL top 635 m · w* 0.0 m/s · cloud base 2659 m · 0°C at 2320 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: 15:00 (peak of the day)
Surface T: 4.0°C · Td: 1.7°C
LCL (cloud base): 287 m
BL top: 1595 m
0°C level: 2530 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) | 5 | Medium |
| Avg thermal probability | 0.78 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.50 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
deep meadow
Rules and notes
Bex airfield is next to the flying area. Respect the 5km rule.
Nearby sites
Les Verneys (52) · Dent de Fully (49) · La Baye (47) · Loutze (53) · Mex Aiguille (45) · Les Giettes (34)