Allevard-south takeoff
📍 Rhone-Alpes , Departement de l'Isere · Nearest city: Allevard (3 km)
61 XC score / 100 · takeoff at 1549 m · 📍 View on map
Coordinates and external links
45.39220, 6.11501Forecast next days
Updated: 2026-04-19 16:06 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~630 m, viento 12 km/h.
base ~630m · wind 12 km/hDía volable, condiciones decentes, base de cúmulos ~965 m, viento 13 km/h.
base ~965m · wind 13 km/hCondiciones marginales, base de cúmulos ~1216 m, viento 12 km/h.
base ~1216m · wind 12 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 63 at 19h
- Cloud suck alto (70/100) — base bajo freezing con CU
⏰ Useful window: 17:00 – 17:00
| 08 30 ☁️⚠️ | 09 55 ☁️⚠️ | 10 50 | 11 50 | 12 50 | 13 50 ☁️⚠️ | 14 50 | 15 50 | 16 55 ☁️⚠️ | 17 45 | 18 60 | 19 63 | 20 50 |
Peak 19h: CAPE 0 J/kg · LI -0.1 · BL top 500 m · w* 0.0 m/s · cloud base 2174 m · 0°C at 2690 m · Pro score 59/100
2026-04-21❌ Not recommended · peak 50 at 11h
- Día muy estable (CAPE<50, LI>2) — sin térmicas
- Cloud suck alto (66/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 30 ☁️⚠️ | 10 30 | 11 50 | 12 50 | 13 30 | 14 30 ☁️⚠️ | 15 30 ☁️⚠️ | 16 30 ☁️⚠️ | 17 35 | 18 35 ☁️⚠️ | 19 50 ☁️⚠️ | 20 30 |
Peak 11h: CAPE 0 J/kg · LI 3.7 · BL top 585 m · w* 0.0 m/s · cloud base 2411 m · 0°C at 2690 m · Pro score 58/100 · 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: 19:00 (peak of the day)
Surface T: 9.0°C · Td: 4.0°C
LCL (cloud base): 625 m
BL top: 500 m
0°C level: 2690 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) | 15 | High |
| Avg thermal probability | 0.78 | 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 |
Takeoff description
Allevard South
Pilot comments
The takeoff is rather small (only one by one) but you can prepare your wings at the rear. If you land at the dyke, be careful: it's forbidden and dangerous to fly over the lake. The wind valley could be strong near the ground and you will land in the water...
Nearby sites
Allevard-Malatrait (51) · Allevard-les Plagnes (63) · Val Pelouse (56) · Allevard-St Pierre (48) · Villaroux "Les vaches" (32) · Montlambert (64)