Pravouta
📍 Rhone-Alpes , Departement de l'Isere · Nearest city: Saint-Hilaire (4 km)
72 XC score / 100 · takeoff at 1729 m · 📍 View on map
Coordinates and external links
45.31120, 5.83540Forecast next days
Updated: 2026-04-20 13:16 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~1044 m, viento 8 km/h.
base ~1044m · wind 8 km/hDía volable, condiciones decentes, base de cúmulos ~955 m, viento 11 km/h.
base ~955m · wind 11 km/hDía volable, condiciones decentes, base de cúmulos ~1262 m, viento 3 km/h.
base ~1262m · wind 3 km/hDía muy favorable para XC, base de cúmulos ~1440 m, viento 6 km/h.
base ~1440m · wind 6 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20❌ Not recommended · peak 55 at 11h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 30 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 | 11 55 ☁️⚠️ | 12 55 ☁️⚠️ | 13 40 ☁️⚠️ | 14 45 ☁️⚠️ | 15 45 ☁️⚠️ | 16 50 ☁️⚠️ | 17 50 | 18 50 | 19 50 | 20 50 |
Peak 11h: CAPE 0 J/kg · LI 1.7 · BL top 815 m · w* 0.0 m/s · cloud base 3104 m · 0°C at 2630 m · Pro score 84/100 · sun 40° over slope
2026-04-21❌ Not recommended · peak 50 at 15h
- Día muy estable (CAPE<50, LI>2) — sin térmicas
- Cloud suck alto (94/100) — base bajo freezing con CU
| 08 30 | 09 30 | 10 30 | 11 35 | 12 30 ☁️⚠️ | 13 35 ☁️⚠️ | 14 35 ☁️⚠️ | 15 50 ☁️⚠️ | 16 50 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 50 ☁️⚠️ | 20 30 ☁️⚠️ |
Peak 15h: CAPE 0 J/kg · LI 3.9 · BL top 1355 m · w* 0.0 m/s · cloud base 2879 m · 0°C at 2590 m · Pro score 74/100 · 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: 11:00 (peak of the day)
Surface T: 9.0°C · Td: -2.0°C
LCL (cloud base): 1375 m
BL top: 815 m
0°C level: 2630 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
Wind chart — altitude × time
Color: green < 20 km/h · yellow 20-30 · red >40. Arrows point to where the wind is blowing. Each column = 1 hour. 4 altitudes: 10m surface, 80m first thermal, 1500m (850 hPa) thermal cruise, 3000m (700 hPa) top.
Wind next days (Open-Meteo model)
Wind rose 10m — 2026-04-20
| Date | Morning 08-12h | Midday 12-16h | Evening 16-20h | |||
|---|---|---|---|---|---|---|
| 2026-04-20 | 4 km/h W | gust 20 | 8 km/h W | gust 21 | 7 km/h NW | gust 23 |
| 2026-04-21 | 4 km/h NE | gust 22 | 3 km/h E | gust 22 | 5 km/h NE | gust 23 |
Colors: green < 15 km/h (optimal) · orange 15-25 · red >25 (flying not recommended). ⚠️ = shear >25 km/h between 10m and 850 hPa (potentially broken thermals).
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 16 | High |
| Avg thermal probability | 0.83 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.76 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
With thermal you can fly there from 10:00 AM to 8:00 PM (in summer). Possible orientations are in between S-E to N-W, best is from S to W.
Nearby sites
La Dent de Crolles (64) · Col de Baure (48) · Saint Pierre de Chartreuse - La Scia (70) · Saint Hilaire du Touvet (64) · Grand Som (50) · Charmant Som (47)