Sasso della Guardia
📍 Grisons , Moesa District · Nearest city: Santa Maria in Calanca (6 km)
59 XC score / 100 · takeoff at 2040 m · 📍 View on map
Coordinates and external links
46.21900, 9.18354Forecast next days
Updated: 2026-04-20 12:35 UTC · Source: Open-Meteo · Thermal window 10:00–18:00 local time
Día muy favorable para XC, base de cúmulos ~952 m, viento 15 km/h.
base ~952m · wind 15 km/hDía volable, condiciones decentes, base de cúmulos ~1137 m, viento 16 km/h.
base ~1137m · wind 16 km/hNo recomendable para volar, base de cúmulos ~255 m, viento 6 km/h, precipitación 3.4 mm.
base ~255m · wind 6 km/h · precip 3.4mmDía volable, condiciones decentes, base de cúmulos ~2751 m, viento 16 km/h.
base ~2751m · wind 16 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 78 at 17h
- Cloud suck alto (83/100) — base bajo freezing con CU
⏰ Useful window: 18:00 – 18:00
| 08 30 ☁️⚠️ | 09 50 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 50 ☁️⚠️ | 13 60 ☁️⚠️ | 14 60 ☁️⚠️ | 15 50 ☁️⚠️ | 16 58 ☁️⚠️ | 17 78 ☁️⚠️ | 18 63 ☁️⚠️ | 19 73 ☁️⚠️ | 20 70 |
Peak 17h: CAPE 40 J/kg · LI -0.6 · BL top 960 m · w* 0.0 m/s · cloud base 3052 m · 0°C at 2650 m · Pro score 62/100 · sun 17° over slope
2026-04-21⚠️ Marginal · peak 73 at 18h
- Cloud suck alto (89/100) — base bajo freezing con CU
⏰ Useful window: 17:00 – 18:00
| 08 30 ☁️⚠️ | 09 30 ☁️⚠️ | 10 50 ☁️⚠️ | 11 50 ☁️⚠️ | 12 60 ☁️⚠️ | 13 50 ☁️⚠️ | 14 58 ☁️⚠️ | 15 63 ☁️⚠️ | 16 63 ☁️⚠️ | 17 63 ☁️⚠️ | 18 73 ☁️⚠️ | 19 73 ☁️⚠️ | 20 16 ☁️⚠️ |
Peak 18h: CAPE 200 J/kg · LI -1.1 · BL top 225 m · w* 3.8 m/s · cloud base 2665 m · 0°C at 2450 m · Pro score 57/100 · sun 10° 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: 17:00 (peak of the day)
Surface T: 6.0°C · Td: -2.1°C
LCL (cloud base): 1012 m
BL top: 960 m
0°C level: 2650 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) | 6 | Medium |
| Avg thermal probability | 0.76 | Based on thousands of aggregated IGC flights |
| Solar orientation | 0.51 | 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
Takeoff description
Quite steep (40°), to be done with good weather conditions (headwind or no wind).
Rules and notes
.
Pilot comments
.
Nearby sites
Bogiàn (51) · El Pizzèt (58) · Corno di Gesero (53) · Santa Maria (55) · Laghet de Sambrog (60) · Piz di Renten (Cima Croce) (58)