Unternberg
📍 Bavaria , Upper Bavaria · Nearest city: Ruhpolding (4 km)
57 XC score / 100 · takeoff at 1402 m · 📍 View on map
Coordinates and external links
47.72840, 12.63860Forecast next days
Updated: 2026-04-21 01:23 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Flyable day, decent conditions, cloud base ~793 m, wind 13 km/h.
base ~793m · wind 13 km/hFlyable day, decent conditions, cloud base ~1401 m, wind 15 km/h.
base ~1401m · wind 15 km/hMarginal conditions, cloud base ~1799 m, wind 13 km/h.
base ~1799m · wind 13 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-21⚠️ Marginal · peak 60 at 19h
- High cloud suck (100/100) — base below freezing with CU
| 08 35 ☁️⚠️ | 09 35 ☁️⚠️ | 10 55 ☁️⚠️ | 11 55 ☁️⚠️ | 12 55 ☁️⚠️ | 13 50 ☁️⚠️ | 14 55 ☁️⚠️ | 15 45 ☁️⚠️ | 16 40 ☁️⚠️ | 17 55 ☁️⚠️ | 18 55 ☁️⚠️ | 19 60 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 19h: CAPE 10 J/kg · LI 0.8 · BL top 605 m · w* 0.0 m/s · cloud base 2289 m · 0°C at 1700 m · Pro score 51/100
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: 4.4°C · Td: -2.7°C
LCL (cloud base): 887 m
BL top: 605 m
0°C level: 1700 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) | 12 | High |
| Avg thermal probability | 0.82 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.30 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Upcoming competitions in this country
- PWCA Italy Gemona 2026 · 2026-07-25 – 2026-08-01 · PWCA
Copa del Mundo en Gemona del Friuli, Italia
Nearby sites
Delta Club Bavaria Ruhpolding e.V. Clubhütte mit Abbauplatz (5) · Gleitschirm- und Drachenlandeplatz DCB Ruhpolding und Flugschule Freiraum (5) · Gleitschirm- und Drachenlandeplatz Grashof West (5) · Gleitschirm- und Drachenlandeplatz Grashof Ost (5) · Gleitschirm- und Drachenlandeplatz DCB Ruhpolding (5) · Rauschberg (54)