Varan dit "Verdun"
📍 Rhone-Alpes , Departement de la Haute-Savoie · Nearest city: Passy (3 km)
61 XC score / 100 · takeoff at -1 m · 📍 View on map
Coordinates and external links
45.94750, 6.68145Forecast next days
Updated: 2026-04-20 13:22 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~1404 m, viento 17 km/h.
base ~1404m · wind 17 km/hDía volable, condiciones decentes, base de cúmulos ~1122 m, viento 16 km/h.
base ~1122m · wind 16 km/hDía muy favorable para XC, base de cúmulos ~1349 m, viento 12 km/h.
base ~1349m · wind 12 km/hDía muy favorable para XC, base de cúmulos ~1198 m, viento 11 km/h.
base ~1198m · 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 15h
- Cobertura nubosa >85% — sin radiación para disparar
| 08 50 | 09 50 | 10 55 | 11 55 | 12 50 | 13 40 | 14 45 | 15 65 | 16 50 | 17 55 | 18 55 | 19 50 | 20 50 |
Peak 15h: CAPE 10 J/kg · LI 0.6 · BL top 1445 m · w* 0.0 m/s · cloud base 1074 m · 0°C at 2630 m · Pro score 60/100 · sun 30° over slope
2026-04-21⚠️ Marginal · peak 60 at 16h
- Día muy estable (CAPE<50, LI>2) — sin térmicas
| 08 30 | 09 30 | 10 50 | 11 55 | 12 55 | 13 55 | 14 55 | 15 50 | 16 60 | 17 60 | 18 30 | 19 30 | 20 30 |
Peak 16h: CAPE 10 J/kg · LI 3.0 · BL top 1535 m · w* 0.0 m/s · cloud base 1199 m · 0°C at 2490 m · Pro score 55/100 · sun 24° 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: 9.5°C · Td: 0.9°C
LCL (cloud base): 1075 m
BL top: 1445 m
0°C level: 2630 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) | 7 | Medium |
| Avg thermal probability | 0.84 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.61 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
very steep. alternative take off
Nearby sites
Varan dit "Pobu" (55) · Aiguille rouge (43) · Barmerousse (53) · Les chalets du Lachat (44) · Frioland (64) · Les chalets du Nant (42)