Sender Kleinerberg
📍 Upper Austria , Politischer Bezirk Kirchdorf an der Krems · Nearest city: Rossleithen (8 km)
68 XC score / 100 · takeoff at 1286 m · 📍 View on map
Coordinates and external links
47.73360, 14.36660Forecast next days
Updated: 2026-04-19 16:01 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~729 m, viento 20 km/h.
base ~729m · wind 20 km/hNo recomendable para volar, base de cúmulos ~491 m, viento 9 km/h, precipitación 2.1 mm.
base ~491m · wind 9 km/h · precip 2.1mmCondiciones marginales, base de cúmulos ~1393 m, viento 15 km/h.
base ~1393m · wind 15 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 58 at 18h
- Cobertura nubosa >85% — sin radiación para disparar
- Cloud suck alto (100/100) — base bajo freezing con CU
| 08 55 ☁️⚠️ | 09 40 ☁️⚠️ | 10 40 ☁️⚠️ | 11 30 ☁️⚠️ 🏔️ | 12 35 ☁️⚠️ | 13 45 ☁️⚠️ | 14 35 ☁️⚠️ | 15 53 ☁️⚠️ | 16 53 ☁️⚠️ | 17 53 ☁️⚠️ | 18 58 ☁️⚠️ | 19 58 ☁️⚠️ | 20 40 ☁️⚠️ |
Peak 18h: CAPE 10 J/kg · LI -0.4 · BL top 765 m · w* 0.0 m/s · cloud base 2161 m · 0°C at 1880 m · Pro score 64/100 · sun 10° over slope
2026-04-21⚠️ Marginal · peak 60 at 12h
- Cloud suck alto (95/100) — base bajo freezing con CU
| 08 35 ☁️⚠️ | 09 40 ☁️⚠️ | 10 55 ☁️⚠️ | 11 55 ☁️⚠️ | 12 60 ☁️⚠️ | 13 60 ☁️⚠️ | 14 60 ☁️⚠️ | 15 60 ☁️⚠️ | 16 45 ☁️⚠️ | 17 50 ☁️⚠️ | 18 50 ☁️⚠️ | 19 55 ☁️⚠️ | 20 55 ☁️⚠️ |
Peak 12h: CAPE 10 J/kg · LI 3.1 · BL top 1100 m · w* 0.0 m/s · cloud base 2123 m · 0°C at 940 m · Pro score 70/100 · sun 39° 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: 18:00 (peak of the day)
Surface T: 6.6°C · Td: -0.4°C
LCL (cloud base): 875 m
BL top: 765 m
0°C level: 1880 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 | 10 km/h W | gust 40 | 18 km/h NW | gust 55 | 14 km/h NW | gust 49 |
| 2026-04-21 | 6 km/h NW | gust 34 | 10 km/h NW | gust 32 | 7 km/h N | gust 30 |
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) | 4 | Medium |
| Avg thermal probability | 0.89 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.90 | 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
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