Acceptable conditions

Horneggli — 1763m

Imported · Orientation W, NW · 293°
53%
Local flying
Best window: 9h — 11h
Local flying reaches 53% because the launch setup looks mostly workable, while lift quality and timing are what keep the score from climbing higher.
Local window 9h — 11hXC window No clear XC window
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Launch wind
8 km/h
W · 275°
Gust spread
35 km/h
rough launch feel
Lift quality
0.3 m/s
2/5 climb support
Cloud base
986 m
38.4 km
Precipitation risk
0.2 mm/h
light showers possible
Acceptable conditions

Horneggli — 1763m

Imported · Orientation W, NW · 293°

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Hourly windows

2026-05-04 · Local flying
6h
🌙
NIGHT
7h
⛅
NO-GO
tailwind
8h
⛅
NO-GO
tailwind
9h
⛅
GO
10h
⛅
GO
11h
⛅
GO
12h
⛅
MARGINAL
13h
⛅
MARGINAL
14h
⛅
MARGINAL
15h
🌦
MARGINAL
16h
🌦
MARGINAL
17h
🌦
MARGINAL
18h
☁️
MARGINAL
19h
☁️
MARGINAL
20h
☁️
MARGINAL
Best window: 9h — 11h
AI analysis
No analysis available for this day.

📊 Wind & thermals aloft

🎓 Full view
💡
Overview: colored arrows show wind speed and direction. Yellow to orange cells highlight the active thermal layer. The LAUNCH line marks the takeoff altitude.
Alt.6h7h8h9h10h11h12h13h14h15h16h17h18h
Top
BLH
——
1778m
1838m
1893m
1958m
2013m
2058m
2073m
2058m
2013m
1953m
1888m
Base
clouds
——
2188m
2326m
2513m
2663m
2776m
2826m
2863m
2838m
2763m
2738m
2738m
3600m
↗
21
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24
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25
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26
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26
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27
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27
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28
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28
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27
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27
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26
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27
3400m
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21
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23
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25
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25
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25
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26
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26
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27
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27
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26
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26
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25
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25
3200m
↗
21
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23
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24
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24
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24
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24
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25
↑
25
↑
26
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25
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25
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24
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23
3000m
↗
20
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21
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22
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22
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22
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22
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23
↑
23
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24
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24
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23
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22
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21
2800m
↗
17
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18
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19
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19
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19
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19
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20
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20
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21
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21
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21
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20
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20
2600m
↑
15
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15
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16
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16
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16
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16
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16
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17
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18
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18
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19
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19
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18
2400m
↑
12
↑
12
↗
13
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13
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13
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13
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13
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14
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15
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16
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17
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17
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17
2200m
↑
9
↑
9
↗
9
↗
9
↗
9
↗
10
↗
10
↗
10
→
12
→
13
↗
15
↗
16
↗
15
2000m
↑
6
↑
6
↑
6
↗
6
↗
6
↗
6
↗
6
→
7
→
9
→
10
→
13
→
14
→
13
1800mLAUNCH
↑
6
↑
6
↑
6
↗
5
↗
5
↗
6
→
7
→
8
→
9
→
10
→
12
→
12
→
12
1600m
↑
5
↑
6
↑
5
↑
4
↗
4
→
6
→
7
→
8
→
9
→
10
→
11
→
11
→
11
1400m
1200m
1000m
800m
600m
400m
200m
0m
0–56–1011–1516–2021–25>25km/hBLH topCloud baseThermals

💨 Wind at launch

🎓 Safety thresholds
💡
Mean wind is the constant speed. Gusts are sudden accelerations. Thresholds: 15 km/h = caution, 25 km/h = critical.

🌡 Temperature

🎓 Why it matters?
💡
Launch temperature affects your comfort and safety. Below 0°C, your fingers go numb and handling controls becomes difficult.

💧 Precipitation

🎓 Impact on the wing
⚠️
Golden rule: never fly in rain or snow. Water weighs down the wing (up to +5 kg), alters its aerodynamic profile and reduces lift. Snow can freeze on suspension lines.
Snow Rain/Showers

Sources: Open-Meteo (AROME 1.3km, ICON-D2 2km) · 2026-05-04 · Data fetched on 28 Apr at 18:31
⚠️ This report is informational only. The final decision to fly always rests with the pilot on site.