Widdersgrind-2020
📍 Bern , Obersimmental-Saanen District · Nearest city: Boltigen (5 km)
59 XC score / 100 · takeoff at 2020 m · 📍 View on map
Coordinates and external links
46.67540, 7.40662Forecast next days
Updated: 2026-04-20 12:35 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~622 m, viento 12 km/h.
base ~622m · wind 12 km/hDía volable, condiciones decentes, base de cúmulos ~770 m, viento 21 km/h.
base ~770m · wind 21 km/hDía muy favorable para XC, base de cúmulos ~979 m, viento 14 km/h.
base ~979m · wind 14 km/hDía volable, condiciones decentes, base de cúmulos ~1758 m, viento 13 km/h.
base ~1758m · wind 13 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 60 at 20h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 50 ☁️⚠️ | 09 50 ☁️⚠️ | 10 40 ☁️⚠️ | 11 40 ☁️⚠️ | 12 40 ☁️⚠️ | 13 40 ☁️⚠️ | 14 50 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 55 ☁️⚠️ | 20 60 ☁️⚠️ |
Peak 20h: CAPE 0 J/kg · LI 1.5 · BL top 25 m · w* 0.0 m/s · cloud base 2457 m · 0°C at 2290 m · Pro score 49/100
2026-04-21⚠️ Marginal · peak 55 at 8h
- Cloud suck alto (98/100) — base bajo freezing con CU
| 08 55 ☁️⚠️ | 09 55 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 40 ☁️⚠️ | 13 55 ☁️⚠️ | 14 55 ☁️⚠️ | 15 55 ☁️⚠️ | 16 55 ☁️⚠️ | 17 55 ☁️⚠️ | 18 55 ☁️⚠️ | 19 50 ☁️⚠️ | 20 30 ☁️⚠️ |
Peak 8h: CAPE 0 J/kg · LI 3.5 · BL top 90 m · w* 0.0 m/s · cloud base 2132 m · 0°C at 2090 m · Pro score 51/100 · 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: 20:00 (peak of the day)
Surface T: 2.7°C · Td: -0.8°C
LCL (cloud base): 437 m
BL top: 25 m
0°C level: 2290 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) | 6 | Medium |
| Avg thermal probability | 0.79 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.50 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Rules and notes
Airspaces in Switzerland are a tough subject, get all the info you can get before flying. More info on http://www.flyland.ch.
Nearby sites
Nässli (49) · Wasserscheide (48) · Hohmattli-1770 (57) · Geeristein West (42) · Geeristein Süd (42) · Geeristein Ost (39)