Gastlosen
📍 Bern , Obersimmental-Saanen District · Nearest city: Zweisimmen (8 km)
53 XC score / 100 · takeoff at 1555 m · 📍 View on map
Coordinates and external links
46.59500, 7.28280Forecast next days
Updated: 2026-04-19 16:17 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~1016 m, viento 12 km/h.
base ~1016m · wind 12 km/hDía volable, condiciones decentes, base de cúmulos ~1016 m, viento 16 km/h.
base ~1016m · wind 16 km/hDía volable, condiciones decentes, base de cúmulos ~1384 m, viento 17 km/h.
base ~1384m · wind 17 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 8h
- Cloud suck alto (88/100) — base bajo freezing con CU
| 08 55 | 09 50 | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 55 ☁️⚠️ | 14 55 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 50 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 8h: CAPE 0 J/kg · LI 1.7 · BL top 270 m · w* 0.0 m/s · cloud base 1817 m · 0°C at 2500 m · Pro score 60/100 · sun 24° over slope
2026-04-21⚠️ Marginal · peak 55 at 9h
- Cloud suck alto (94/100) — base bajo freezing con CU
| 08 50 ☁️⚠️ | 09 55 | 10 50 ☁️⚠️ | 11 55 ☁️⚠️ | 12 55 ☁️⚠️ | 13 55 ☁️⚠️ | 14 55 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 55 ☁️⚠️ | 18 55 ☁️⚠️ | 19 50 ☁️⚠️ | 20 30 ☁️⚠️ |
Peak 9h: CAPE 0 J/kg · LI 2.8 · BL top 390 m · w* 0.0 m/s · cloud base 1955 m · 0°C at 2090 m · Pro score 63/100 · sun 30° 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: 08:00 (peak of the day)
Surface T: 3.8°C · Td: 1.7°C
LCL (cloud base): 262 m
BL top: 270 m
0°C level: 2500 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 | 0.77 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.33 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Nearby sites
Riggisalp (50) · Hugeligrat (44) · Schwyberg-1600 (55) · Schwyberg-1600 (64) · Rellerligrat-1800 (53) · Vounetz-1620 (56)