Tools · Dropzone weather · Piemonte

WEATHER CUMIANA

Skydream Center Cumiana · tandem exit altitude 4000 m. Wind, gusts, cloud and visibility hour-by-hour with 4-model ensemble confidence, plus 7-day daily outlook. Designed to decide whether driving to the dropzone is worth it.

Data updated at: 11:23:29 on 19/09/2026(updated just now)
Open-Meteo · best-match + 4-model ensemble confidence · recomputed every 30 min
Now · 12:00
75/100
Jumpable conditions
Overcast
Wind
1.7 m/s
SE
Gust
3.4 m/s
Low cloud
50%
~363 m
Rain
0%
0.0 mm
Visibility
31 km
Temp.
20°
feels 21°
HourScoreWindGustCloudBaseRainVis.Temp.Conf.
SAT 19 · 12:00751.7 m/s SE3.4 m/s
L
50
M
31
H
100
363 m0%31 km20°●●●
SAT 19 · 13:001001.7 m/s SE3.4 m/s
L
49
M
36
H
0
0%34 km21°●●●
SAT 19 · 14:001001.9 m/s SE3.5 m/s
L
8
M
0
H
0
0%36 km21°●●●
SAT 19 · 15:001001.6 m/s SE3.2 m/s
L
3
M
0
H
0
0%38 km22°●●●
SAT 19 · 16:001001.7 m/s S3.1 m/s
L
42
M
0
H
0
0%38 km22°●●●
SAT 19 · 17:001001.2 m/s S2.1 m/s
L
10
M
0
H
0
0%39 km22°●●●
SAT 19 · 18:001001.0 m/s S1.6 m/s
L
0
M
0
H
0
0%38 km22°●●●
SUN 20 · 08:00751.1 m/s NO1.6 m/s
L
0
M
0
H
100
0%34 km17°●●●
SUN 20 · 09:00750.2 m/s SO1.4 m/s
L
0
M
0
H
100
0%33 km18°●●●
SUN 20 · 10:00750.6 m/s S1.6 m/s
L
0
M
0
H
100
0%28 km19°●●●
SUN 20 · 11:00750.9 m/s SE2.1 m/s
L
0
M
0
H
100
0%31 km20°●●●
SUN 20 · 12:00751.7 m/s SE2.7 m/s
L
0
M
0
H
100
0%34 km22°●●●
SUN 20 · 13:001001.5 m/s SE2.1 m/s
L
0
M
0
H
2
0%39 km23°●●●
SUN 20 · 14:00751.8 m/s SE2.2 m/s
L
0
M
0
H
100
0%39 km23°●●●
SUN 20 · 15:001001.7 m/s SE2.2 m/s
L
0
M
0
H
15
0%40 km24°●●●
SUN 20 · 16:001001.9 m/s SE2.2 m/s
L
0
M
0
H
17
0%40 km24°●●●
SUN 20 · 17:001001.6 m/s S2.4 m/s
L
0
M
0
H
0
0%40 km24°●●●
SUN 20 · 18:00750.8 m/s S2.1 m/s
L
30
M
0
H
100
0%40 km23°●●●
MON 21 · 08:00752.3 m/s O4.8 m/s
L
0
M
0
H
100
0%41 km17°●●●
MON 21 · 09:001001.2 m/s O4.9 m/s
L
0
M
0
H
66
0%41 km20°●●●
MON 21 · 10:00750.5 m/s SE2.6 m/s
L
0
M
0
H
100
0%35 km23°●●●
MON 21 · 11:00750.7 m/s S2.6 m/s
L
0
M
0
H
100
0%42 km24°●●●

Best jumpable windows · 7 days

2-hour windows with average score ≥ 60, ordered chronologically.

SAT 19
13:00 → 15:00
Avg score: 100/100
SAT 19
15:00 → 17:00
Avg score: 100/100
SAT 19
17:00 → 19:00
Avg score: 100/100
SUN 20
15:00 → 17:00
Avg score: 100/100
TUE 22
08:00 → 10:00
Avg score: 100/100
Show daily summary · 7 days
SAT 19
86
22° / 15°
W: 2 m/sG: 4 m/sR: 0.0 mm (8%)
Window: 13:00
SUN 20
84
24° / 16°
W: 2 m/sG: 4 m/sR: 0.0 mm (0%)
Window: 15:00
MON 21
84
27° / 17°
W: 2 m/sG: 5 m/sR: 0.0 mm (0%)
Window: 08:00
TUE 22
49
22° / 17°
W: 2 m/sG: 5 m/sR: 0.0 mm (2%)
Window: 08:00
WED 23
7
19° / 15°
W: 2 m/sG: 4 m/sR: 0.0 mm (3%)
THU 24
89
23° / 13°
W: 2 m/sG: 4 m/sR: 0.0 mm (5%)
Window: 10:00
FRI 25
55
22° / 12°
W: 2 m/sG: 4 m/sR: 0.0 mm (5%)
Window: 15:00
⚠️ The forecast never replaces the jumpmaster's briefing. ICON-EU + AROME + ECMWF + GFS are high-resolution models, but on complex orography (Alps, Adriatic coast) they may miss reality by a factor. Always verify with the dropzone before driving over.
Legend · jumpability score
70+
Jumpable 70–100
Comfortable operating conditions, including for students and tandems.
40+
Borderline 40–69
On the edge — tight wind or cloud. Often no students; sport jumpers with caution.
0+
No-go 0–39
Extreme wind, gusts, storms, cloud below exit, or visibility below threshold.
The score combines surface wind, gusts, upper-level wind, cloud vs DZ exit altitude, CAPE (storms), rain in the next 2 hours and visibility. Operational thresholds, not meteorological. How the models work ↗
Data sources · weather
Data updated at: 11:23:29 on 19/09/2026

Forecasts are recomputed every 30 minutes. The Quota 4000 cron job pre-warms the cache every 3 hours. ICON-EU and AROME refresh every 6h, ECMWF every 12h, GFS every 6h.

Forecast from Open-Meteo (free aggregator of numerical weather prediction models). Models combined: ICON-EU (DWD), ECMWF IFS, AROME France HD (Météo-France), GFS (NOAA). Dropzone coordinates from Quota 4000 database, ENAC-certified schools. How the models work ↗

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