— Tools · Dropzone weather · Piemonte

WEATHER ALESSANDRIA

Primolancio · 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: 12:03:54 on 04/11/2026(updated just now)
Open-Meteo · best-match + 4-model ensemble confidence · recomputed every 30 min
Now · 13:00
0/100
No-go
Cloud below exitRain likely
Wind
3.7 m/s
NE
Gust
7.8 m/s
Low cloud
94%
~687 m
Rain
85%
0.0 mm
Visibility
37 km
Temp.
11°
feels 8°
HourScoreWindGustCloudBaseRainVis.Temp.Conf.
WED 4 · 13:0003.7 m/s NE7.8 m/s
L
94
M
100
H
100
687 m85%37 km11°●●○
WED 4 · 14:0003.7 m/s NE7.7 m/s
L
93
M
100
H
91
688 m70%37 km12°●●○
WED 4 · 15:00403.7 m/s NE7.4 m/s
L
85
M
100
H
94
687 m0.3 mm19 km12°●●○
WED 4 · 16:00403.5 m/s NE7.4 m/s
L
81
M
94
H
87
638 m0.2 mm37 km12°●●○
WED 4 · 17:0002.8 m/s N6.8 m/s
L
72
M
100
H
72
575 m55%36 km11°●●○
WED 4 · 18:0002.8 m/s N5.4 m/s
L
78
M
100
H
68
387 m58%31 km11°●●●
THU 5 · 08:0001.9 m/s N3.7 m/s
L
66
M
95
H
100
300 m50%26 km9°●●●
THU 5 · 09:0002.0 m/s N4.0 m/s
L
84
M
100
H
11
350 m40%28 km9°●●●
THU 5 · 10:0002.3 m/s N4.7 m/s
L
89
M
100
H
23
412 m33%31 km10°●●●
THU 5 · 11:0002.3 m/s N5.0 m/s
L
98
M
100
H
100
487 m20%33 km10°●●●
THU 5 · 12:0002.6 m/s N5.4 m/s
L
89
M
88
H
100
538 m5%34 km11°●●●
THU 5 · 13:00402.6 m/s N5.5 m/s
L
90
M
100
H
100
600 m8%35 km11°●●●
THU 5 · 14:00402.6 m/s N5.5 m/s
L
82
M
100
H
100
612 m5%36 km12°●●●
THU 5 · 15:00402.3 m/s N5.3 m/s
L
84
M
94
H
100
638 m3%37 km12°●●●
THU 5 · 16:00402.3 m/s NO4.9 m/s
L
98
M
100
H
100
638 m3%37 km12°●●●
THU 5 · 17:0002.1 m/s NO4.6 m/s
L
60
M
99
H
100
550 m8%36 km12°●●●
THU 5 · 18:00751.7 m/s NO3.8 m/s
L
24
M
99
H
0
—8%32 km11°●●●
FRI 6 · 08:00750.7 m/s NO1.7 m/s
L
42
M
91
H
100
—53%17 km9°●●●
FRI 6 · 09:00750.8 m/s NO1.6 m/s
L
42
M
81
H
6
—57%21 km9°●●○
FRI 6 · 10:0000.9 m/s N2.3 m/s
L
52
M
65
H
0
313 m58%26 km10°●●○
FRI 6 · 11:00752.0 m/s N3.9 m/s
L
32
M
88
H
0
—55%32 km11°●●●
FRI 6 · 12:001002.5 m/s NE4.8 m/s
L
45
M
71
H
0
—49%35 km12°●●●

Best jumpable windows · 7 days

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

FRI 6
11:00 → 13:00
Avg score: 88/100
FRI 6
15:00 → 17:00
Avg score: 88/100
SAT 7
13:00 → 15:00
Avg score: 100/100
SAT 7
15:00 → 17:00
Avg score: 100/100
SAT 7
17:00 → 19:00
Avg score: 100/100
Show daily summary · 7 days
WED 4
21
12° / 9°
W: 5 m/sG: 11 m/sR: 2.1 mm (85%)
THU 5
21
12° / 9°
W: 3 m/sG: 6 m/sR: 0.6 mm (63%)
FRI 6
65
12° / 8°
W: 3 m/sG: 6 m/sR: 0.1 mm (58%)
Window: 11:00
SAT 7
55
12° / 5°
W: 2 m/sG: 4 m/sR: 0.7 mm (23%)
Window: 13:00
SUN 8
48
12° / 3°
W: 2 m/sG: 3 m/sR: 0.0 mm (13%)
Window: 12:00
MON 9
0
10° / 8°
W: 1 m/sG: 2 m/sR: 0.9 mm (27%)
TUE 10
0
11° / 9°
W: 1 m/sG: 3 m/sR: 0.3 mm (68%)
⚠️ 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: 12:03:54 on 04/11/2026

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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