Tsukuba -NiihariKomachi
📍 Ibaraki · Nearest city: Tsukuba (7 km)
54 XC score / 100 · takeoff at 295 m · 📍 View on map
Coordinates and external links
36.17170, 140.16600Forecast next days
Updated: 2026-04-19 16:16 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día volable, condiciones decentes, base de cúmulos ~948 m, viento 12 km/h.
base ~948m · wind 12 km/hDía muy favorable para XC, base de cúmulos ~1418 m, viento 12 km/h, precipitación 1.4 mm.
base ~1418m · wind 12 km/h · precip 1.4mmDía volable, condiciones decentes, base de cúmulos ~2215 m, viento 18 km/h.
base ~2215m · wind 18 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 45 at 9h
- Día muy estable (CAPE<50, LI>2) — sin térmicas
| 08 40 | 09 45 | 10 35 | 11 35 | 12 35 | 13 40 | 14 35 | 15 40 | 16 40 | 17 30 | 18 35 | 19 30 | 20 30 |
Peak 9h: CAPE 0 J/kg · LI 5.6 · BL top 905 m · w* 0.0 m/s · cloud base 882 m · 0°C at 3320 m · Pro score 62/100 · sun 36° over slope
2026-04-21✅ Flyable · peak 55 at 14h
⏰ Useful window: 14:00 – 17:00
| 08 30 | 09 20 | 10 20 | 11 30 | 12 30 | 13 35 | 14 55 | 15 55 | 16 55 ☁️⚠️ | 17 35 ☁️⚠️ | 18 35 | 19 35 | 20 30 |
Peak 14h: CAPE 110 J/kg · LI 5.9 · BL top 1550 m · w* 8.0 m/s · cloud base 1957 m · 0°C at 2970 m · Pro score 62/100 · sun 44° 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: 09:00 (peak of the day)
Surface T: 14.6°C · Td: 9.9°C
LCL (cloud base): 587 m
BL top: 905 m
0°C level: 3320 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) | 4 | Medium |
| Avg thermal probability | 0.74 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.61 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Takeoff description
another take off (Wind:NE) : 36 10'23' (36.1730)N; 140 9'16' (140.154)E - Elevation : 352 m.(Height : 316 m, GR : 3.86)
Rules and notes
Check with PG school!
Nearby sites
Ibaraki (Air Park COO) (58) · Soratopia (aka Ashio / Ashio-san) (61) · Mt Itajiki Hangglider Area (56) · Ohira Sky Club (55) · Sky park Utsunomiya (49) · Dodaira W (29)