Randonnaz
📍 Valais , Martigny District · Nearest city: Saxon (3 km)
56 XC score / 100 · takeoff at 1370 m · 📍 View on map
Coordinates and external links
46.16790, 7.14594Forecast next days
Updated: 2026-04-19 16:13 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~936 m, viento 12 km/h.
base ~936m · wind 12 km/hDía muy favorable para XC, base de cúmulos ~1277 m, viento 12 km/h.
base ~1277m · wind 12 km/hDía volable, condiciones decentes, base de cúmulos ~1897 m, viento 10 km/h.
base ~1897m · 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⚠️ Marginal · peak 55 at 12h
- Cloud suck alto (72/100) — base bajo freezing con CU
⏰ Useful window: 14:00 – 17:00
| 08 50 ☁️⚠️ | 09 50 | 10 50 | 11 50 | 12 55 | 13 55 | 14 55 | 15 55 | 16 45 ☁️⚠️ | 17 55 ☁️⚠️ | 18 55 | 19 50 ☁️⚠️ | 20 50 ☁️⚠️ |
Peak 12h: CAPE 40 J/kg · LI 1.3 · BL top 865 m · w* 0.0 m/s · cloud base 2057 m · 0°C at 2600 m · Pro score 57/100 · sun 40° over slope
2026-04-21⚠️ Marginal · peak 60 at 15h
- Cloud suck alto (69/100) — base bajo freezing con CU
| 08 30 | 09 50 | 10 50 | 11 55 | 12 55 ☁️⚠️ | 13 55 ☁️⚠️ | 14 55 ☁️⚠️ | 15 60 ☁️⚠️ | 16 60 ☁️⚠️ | 17 60 ☁️⚠️ | 18 55 ☁️⚠️ | 19 35 ☁️⚠️ | 20 35 |
Peak 15h: CAPE 10 J/kg · LI 1.7 · BL top 1860 m · w* 0.0 m/s · cloud base 2795 m · 0°C at 2490 m · Pro score 63/100 · sun 31° 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: 12:00 (peak of the day)
Surface T: 11.1°C · Td: 5.6°C
LCL (cloud base): 687 m
BL top: 865 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) | 5 | Medium |
| Avg thermal probability | 0.80 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.49 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
Nice meadow
Rules and notes
mind the cable from the valley to Chiboz
Nearby sites
La Baye (47) · Chou (tsou) (56) · Planuit (45) · Dent de Fully (49) · Dugny (74) · Loutze (53)