Wengernalp
📍 Bern , Interlaken-Oberhasli District · Nearest city: Lauterbrunnen (3 km)
55 XC score / 100 · takeoff at 2100 m · 📍 View on map
Coordinates and external links
46.58120, 7.94223Forecast next days
Updated: 2026-04-21 01:25 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Very favorable day for XC, cloud base ~773 m, wind 13 km/h.
base ~773m · wind 13 km/hVery favorable day for XC, cloud base ~1609 m, wind 11 km/h.
base ~1609m · wind 11 km/hFlyable day, decent conditions, cloud base ~2329 m, wind 10 km/h.
base ~2329m · wind 10 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-21❌ Not recommended · peak 53 at 16h
- Cloud cover >85% — no radiation to trigger thermals
- High cloud suck (100/100) — base below freezing with CU
| 08 30 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 40 ☁️⚠️ | 14 40 ☁️⚠️ | 15 45 ☁️⚠️ | 16 53 ☁️⚠️ | 17 45 ☁️⚠️ | 18 45 ☁️⚠️ | 19 45 ☁️⚠️ | 20 40 ☁️⚠️ |
Peak 16h: CAPE 30 J/kg · LI -0.2 · BL top 895 m · w* 0.0 m/s · cloud base 2550 m · 0°C at 2200 m · Pro score 47/100 · 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: 16:00 (peak of the day)
Surface T: 3.8°C · Td: 0.2°C
LCL (cloud base): 449 m
BL top: 895 m
0°C level: 2200 m
Approximate profile from surface variables + synoptic levels. Red lines = temperature, dashed blue = dew point. Orange bands = detected inversions.
🌬 Daily wind (next days)
Daily summary (10m wind). Full hour × altitude chart is being added progressively.
Takeoff orientations
Green = good orientation · Yellow = possible · Gray = not suitable
Why this site has thermal potential
| Factor | Value | Interpretation |
|---|---|---|
| Hotspot density (5 km) | 9 | High |
| Avg thermal probability | 0.85 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.20 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Pilot comments
More info on http://www.flyland.ch. Airspaces in Switzerland are a thought subject, get all the info you can get befire flying.
Nearby sites
Lauberhornschulter-2310 (51) · Lauberhorn (56) · Klein Tschuggen (49) · Männlichen Station (54) · Maennlichen (Wengen) (68) · Landeplatz Stechelberg (5)