Porciuncula -Morro das Antennas (RJ)
📍 Rio de Janeiro , Porciuncula · Nearest city: Porciuncula (7 km)
63 XC score / 100 · takeoff at 793 m · 📍 View on map
Coordinates and external links
-21.01390, -42.07700Forecast next days
Updated: 2026-04-19 16:04 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~1051 m, viento 8 km/h.
base ~1051m · wind 8 km/hDía volable, condiciones decentes, base de cúmulos ~962 m, viento 8 km/h.
base ~962m · wind 8 km/hDía volable, condiciones decentes, base de cúmulos ~877 m, viento 6 km/h.
base ~877m · wind 6 km/hComposite flyability score (CAPE + LI + wind + precip + low clouds). Cross-check with local pilots before flying.
Detailed hourly weather
2026-04-20✅ Flyable · peak 75 at 16h
⏰ Useful window: 09:00 – 15:00
| 08 65 | 09 65 | 10 65 | 11 65 | 12 65 | 13 73 | 14 73 | 15 73 | 16 75 | 17 63 | 18 58 | 19 50 | 20 60 |
Peak 16h: CAPE 10 J/kg · LI -2.0 · BL top 50 m · w* 0.0 m/s · cloud base 2080 m · 0°C at 4640 m · Pro score 76/100 · sun 27° over slope
2026-04-21✅ Flyable · peak 65 at 20h
| 08 30 | 09 50 | 10 40 | 11 45 | 12 55 | 13 45 | 14 60 | 15 55 | 16 55 | 17 55 | 18 55 | 19 55 | 20 65 |
Peak 20h: CAPE 10 J/kg · LI 3.3 · BL top 60 m · w* 0.0 m/s · cloud base 1393 m · 0°C at 5210 m · Pro score 56/100
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: 16:00 (peak of the day)
Surface T: 25.5°C · Td: 15.2°C
LCL (cloud base): 1287 m
BL top: 50 m
0°C level: 4640 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 | 3 km/h S | gust 14 | 9 km/h S | gust 21 | 4 km/h S | gust 20 |
| 2026-04-21 | 3 km/h SE | gust 11 | 7 km/h SW | gust 18 | 4 km/h SE | gust 18 |
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) | 7 | Medium |
| Avg thermal probability | 0.83 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.65 | Slope faces north in southern hemisphere |
| Own flight history | 0.00 | Thermals detected in platform IGC tracks |
Real takeoff terrain
| SRTM elevation | 798 m AMSL |
| Average slope | 11.5° |
| Slope aspect | 228° (SW) |
| Hemisphere | south — Orientation unfavorable for direct solar thermals |
Derived from SRTM 30m (NASA).
Upcoming competitions in this country
- PWCA Paragliding World Cup Brazil 2026 · 2026-04-19 – 2026-04-26 · PWCA [+info]
Copa del Mundo PWCA en Gov. Valadares, Brasil - Campeonato Brasileiro Sport 2026 - Bela Vista · 2026-09-01 – 2026-09-07 · CBVL
Campeonato nacional categoria Sport, Brasil
Takeoff description
large
Pilot comments
good xc potential
Nearby sites
Varre Sai (0) · Caiana - Rampa Sul (1) · Rampa da Serra da Ventania-Miracema-RJ (1) · Muriae -Rampa do Distrito de Pirapanema (MG) (36) · Rampa Asas do Caparaó (8) · Rampa Portal da Lua (1)