Zion's launch
📍 San Jose · Nearest city: San Isidro (14 km)
37 XC score / 100 · takeoff at 1958 m · 📍 View on map
Coordinates and external links
9.47463, -83.62670Forecast next days
Updated: 2026-04-21 02:00 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Very favorable day for XC, cloud base ~1298 m, wind 6 km/h.
base ~1298m · wind 6 km/hFlyable day, decent conditions, cloud base ~823 m, wind 4 km/h.
base ~823m · wind 4 km/hNot recommended for flying, cloud base ~427 m, wind 6 km/h, precipitation 2.3 mm.
base ~427m · wind 6 km/h · precip 2.3mmComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
🌬 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) | 2 | Low |
| Avg thermal probability | 0.88 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.00 | Slope faces south in northern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Real takeoff terrain
| SRTM elevation | 1954 m AMSL |
| Average slope | 13.2° |
| Slope aspect | 346° (N) |
| Hemisphere | north — Orientation unfavorable for direct solar thermals |
Derived from SRTM 30m (NASA).
Nearby sites
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