Acceptable conditions

Delémont — 825m

Jura · Orientation S
55%
Local flying
Best window: No clear local window
Local flying reaches 55% because the launch setup looks mostly workable, while lift quality and timing are what keep the score from climbing higher.
Local window No clear local windowXC window No clear XC window
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Launch wind
5 km/h
SW · 225°
Gust spread
21 km/h
rough launch feel
Lift quality
0.2 m/s
2/5 climb support
Cloud base
1391 m
41.5 km
Precipitation risk
Dry
no signal
Acceptable conditions

Delémont — 825m

Jura · Orientation S

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Hourly windows

2026-04-09 · Local flying
6h
🌙
NIGHT
7h
🌤
MARGINAL
8h
🌤
MARGINAL
9h
🌤
MARGINAL
10h
🌤
MARGINAL
11h
☀️
MARGINAL
12h
☀️
MARGINAL
13h
🌤
NO-GO
tailwind
14h
☀️
NO-GO
tailwind
15h
☀️
NO-GO
tailwind
16h
☀️
NO-GO
tailwind
17h
☀️
NO-GO
tailwind
18h
🌤
MARGINAL
19h
☀️
NO-GO
tailwind
20h
☀️
NO-GO
tailwind
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
——
845m
925m
1110m
1315m
1500m
1705m
1950m
2030m
1940m
1825m
1700m
Base
clouds
——
1313m
1412m
1600m
1612m
1962m
2388m
2475m
2663m
2812m
2913m
3013m
3600m
↘
23
↘
23
↘
25
↘
25
↘
22
↘
23
↘
22
↘
21
↘
21
↘
24
↘
25
↘
29
↘
31
3400m
↘
22
↘
23
↘
24
↘
23
↘
21
↘
21
↘
21
↘
19
↘
19
↘
21
↘
22
↘
25
↘
27
3200m
↘
22
↘
22
↘
23
↘
22
↘
20
↘
20
↘
20
↘
18
↘
17
↘
18
↘
18
↘
21
↘
24
3000m
↘
21
↘
20
↘
21
↘
21
↘
19
↘
19
↘
19
↘
17
↘
16
↘
16
↘
17
↘
19
↘
22
2800m
↘
19
↘
19
↘
20
↘
20
↘
19
↘
19
↘
18
↘
16
↘
15
↘
16
↘
16
↘
18
↘
20
2600m
↘
18
↘
18
↘
19
↘
19
↘
18
↘
18
↘
18
↘
14
↘
14
↘
15
↘
16
↘
17
↘
19
2400m
→
16
↘
16
↘
18
↘
18
↘
18
↘
18
↘
17
↘
13
↘
14
↘
15
↘
15
↘
16
↘
18
2200m
→
15
↘
15
↘
17
↘
18
↘
18
↘
18
↘
17
↘
12
↘
13
↘
15
↘
15
↘
15
↘
17
2000m
→
13
→
14
→
16
↘
17
↘
18
↘
18
↘
16
↘
11
↘
12
↘
14
↘
14
↘
14
↘
16
1800m
→
13
→
13
→
16
→
17
↘
18
↘
18
↘
15
↘
10
↘
11
↘
14
↘
14
↘
12
↘
15
1600m
→
12
→
13
→
16
→
17
→
18
→
18
↘
15
↘
8
↘
10
↘
13
↘
13
↘
11
↘
14
1400m
→
10
→
11
→
14
→
15
→
15
→
16
↘
12
↘
8
↘
10
↘
13
↘
12
↘
10
↘
13
1200m
→
9
→
10
→
12
→
11
→
11
→
11
↘
9
↘
7
↘
10
↘
12
↘
11
↘
10
↘
12
1000m
→
7
→
8
→
9
→
8
→
7
→
7
↘
6
↘
7
↘
9
↘
11
↘
10
↘
9
↘
11
800mLAUNCH
→
6
→
7
→
7
→
4
↘
3
→
3
↘
2
↘
6
↘
9
↘
10
↘
9
↘
8
↘
10
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) · 2026-04-09 · Data fetched on 9 Apr at 07:14
⚠️ This report is informational only. The final decision to fly always rests with the pilot on site.