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Rule Fog Hunter

Chamonix - Fog Hunter - Alps

Chamonix, Auvergne-Rhône-Alpes, France

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread5.2°C
Visibility24134 (Clear)
Relative Humidity70%
Wind Speed2.8m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Zurich
fog weather icon
Next opportunity
Dense Fog
Chamonix
Tue, Jun 9 · 17:00–20:00 · 3h window
High confidence
82%
🌫️Fog Probability93.3-98.1%
Dewpoint Spread: 0.1°C
Visibility: 155 (Dense fog)
Relative Humidity: 99%
Wind Speed: 1.1m/s (calm conditions)
fog weather icon
Dense Fog at Sunset
Chamonix
Tue, Jun 9 · 20:00–22:00
🌫️Fog Probability:86-98.5%
High
fog weather icon
Dense Fog at Dusk
Chamonix
Sat, Jun 13 · 22:00–23:00
🌫️Fog Probability:100%
Medium
fog weather icon
Dense Fog
Chamonix
Sat, Jun 13 · 23:00–24:00
🌫️Fog Probability:100%
Medium

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 74 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Zurich
Fog Probability
≥ 75.0%
Sat, Jun 6
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, Jun 7
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Jun 8
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
Europe/Zurich
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sat, Jun 6 Sunrise 05:43 Sunset 21:19
10:00
0% 5.4°C 0mm 70% 0cm 42° 11°C 0mm 0.38kPa 24134m 3m/s 2.8m/s
11:00
0% 4.9°C 0mm 61% 0cm 52° 12°C 0mm 0.55kPa 24134m 3.4m/s 3m/s
12:00
0% 2.4°C 0mm 47% 0cm 60° 14°C 0mm 0.82kPa 24134m 3.7m/s 3.1m/s
13:00
0% 0.4°C 0mm 38% 0cm 66° 15°C 0mm 1kPa 24134m 3.3m/s 3.1m/s
14:00
0% 1.1°C 0mm 38% 0cm 66° 15°C 0mm 1.1kPa 24134m 3.5m/s 3.2m/s
15:00
1% 2.2°C 0mm 40% 0cm 61° 16°C 0mm 1.1kPa 24134m 3.6m/s 3.1m/s
16:00
1% 2.2°C 0mm 40% 0cm 52° 16°C 0mm 1.1kPa 24135m 3.7m/s 2.8m/s
17:00
2% 2.3°C 0mm 40% 0cm 42° 16°C 0mm 1.1kPa 24135m 3.5m/s 2.6m/s
18:00
3% 2.5°C 0mm 41% 0cm 32° 16°C 0mm 1.1kPa 24134m 3.4m/s 2.6m/s
19:00
3% 3.5°C 0mm 46% 0cm 21° 15°C 0mm 0.92kPa 24134m 3.2m/s 2.7m/s
20:00
4% 6.7°C 0mm 64% 0cm 11° 13°C 0mm 0.54kPa 24134m 2.1m/s 2m/s
21:00
19% 6.3°C 0mm 75% 0cm 2.3° 11°C 0mm 0.32kPa 24135m 0.92m/s 0.88m/s
22:00
33% 5.3°C 0mm 77% 0cm -6.3° 9.1°C 0mm 0.26kPa 24134m 1.6m/s 1.6m/s
23:00
48% 4.5°C 0mm 73% 0cm -13° 9.2°C 0mm 0.32kPa 24135m 2.2m/s 2.3m/s
Sun, Jun 7 Sunrise 05:43 Sunset 21:19
24:00
54% 3.9°C 0mm 68% 0cm -18° 9.5°C 0mm 0.38kPa 24135m 2.1m/s 2.2m/s
01:00
61% 3.7°C 0mm 68% 0cm -21° 9.2°C 0mm 0.37kPa 24134m 2m/s 2.1m/s
02:00
67% 3.9°C 0mm 74% 0cm -21° 8.1°C 0mm 0.28kPa 24135m 1.7m/s 1.8m/s
03:00
73% 3.6°C 0mm 77% 0cm -18° 7.4°C 0mm 0.24kPa 24135m 1.6m/s 1.7m/s
04:00
78% 3.5°C 0mm 79% 0cm -13° 6.8°C 0mm 0.21kPa 24135m 1.6m/s 1.6m/s
05:00
84% 3.6°C 0mm 82% 0cm -6.6° 6.5°C 0mm 0.18kPa 24134m 1.6m/s 1.7m/s
06:00
80% 3.7°C 0mm 83% 0cm 6.4°C 0mm 0.16kPa 24135m 1.6m/s 1.7m/s
07:00
75% 5.2°C 0mm 80% 0cm 11° 8.5°C 0mm 0.23kPa 24134m 1.4m/s 1.5m/s
08:00
71% 5.5°C 0mm 72% 0cm 21° 10°C 0mm 0.34kPa 24135m 1.5m/s 1.3m/s
09:00
56% 6.1°C 0mm 69% 0cm 31° 12°C 0mm 0.43kPa 24134m 1.7m/s 1.7m/s
10:00
42% 6.2°C 0mm 64% 0cm 42° 13°C 0mm 0.53kPa 24135m 1.7m/s 1.9m/s
11:00
27% 6.1°C 0mm 58% 0cm 52° 14°C 0mm 0.68kPa 24134m 2m/s 2.2m/s
12:00
19% 5.9°C 0mm 53% 0cm 60° 15°C 0mm 0.82kPa 24134m 2.4m/s 2.5m/s
13:00
11% 5.9°C 0mm 50% 0cm 66° 16°C 0mm 0.94kPa 24135m 2.5m/s 2.7m/s
14:00
3% 5.9°C 0mm 48% 0cm 66° 17°C 0mm 1kPa 24135m 2.8m/s 2.8m/s
15:00
2% 6.1°C 0mm 47% 0cm 61° 17°C 0mm 1.1kPa 24135m 3.2m/s 3m/s
16:00
1% 6.4°C 0.01mm 48% 0cm 52° 18°C 0mm 1kPa 23483m 3.2m/s 3.2m/s
17:00
0% 7°C 0mm 51% 0cm 42° 17°C 0.06mm 0.95kPa 22894m 3.1m/s 3.1m/s
18:00
0% 7.4°C 0mm 55% 0cm 32° 16°C 0.13mm 0.84kPa 24134m 2.5m/s 2.7m/s
19:00
0% 7.7°C 0mm 59% 0cm 22° 16°C 0.13mm 0.73kPa 24134m 2m/s 2.5m/s
20:00
0% 8.6°C 0mm 69% 0cm 12° 14°C 0.13mm 0.51kPa 24134m 2.1m/s 2.1m/s
21:00
3% 8.5°C 0mm 82% 0cm 2.4° 11°C 0mm 0.24kPa 24134m 1m/s 0.94m/s
22:00
5% 7.7°C 0mm 85% 0cm -6.2° 10°C 0mm 0.18kPa 24134m 0.9m/s 0.84m/s
23:00
8% 7.4°C 0mm 84% 0cm -13° 10°C 0mm 0.2kPa 24134m 1.8m/s 1.9m/s
Mon, Jun 8 Sunrise 05:43 Sunset 21:19
24:00
11% 7°C 0mm 82% 0cm -18° 9.8°C 0mm 0.21kPa 24135m 2.2m/s 2.5m/s
01:00
14% 6.2°C 0mm 80% 0cm -21° 9.5°C 0mm 0.23kPa 24134m 2.3m/s 2.5m/s
02:00
17% 5.3°C 0mm 76% 0cm -21° 9.2°C 0mm 0.27kPa 24134m 2.3m/s 2.5m/s
03:00
21% 4.2°C 0mm 71% 0cm -18° 9.3°C 0mm 0.34kPa 24134m 2.4m/s 2.8m/s
04:00
24% 2°C 0mm 61% 0cm -13° 9°C 0mm 0.45kPa 24134m 2.5m/s 2.9m/s
05:00
28% 0°C 0mm 54% 0cm -6.5° 8.9°C 0mm 0.53kPa 24135m 2.6m/s 3m/s
06:00
22% -0.8°C 0mm 50% 0cm 9.1°C 0mm 0.58kPa 24134m 2.7m/s 3.1m/s
07:00
17% 1°C 0mm 52% 0cm 11° 10°C 0mm 0.61kPa 24134m 2.5m/s 2.9m/s
08:00
11% 2.6°C 0mm 48% 0cm 21° 13°C 0mm 0.81kPa 24134m 2.1m/s 1.9m/s
09:00
11% 2°C 0mm 41% 0cm 31° 15°C 0mm 1kPa 24134m 1.9m/s 1.7m/s
10:00
11% 2.3°C 0mm 39% 0cm 42° 16°C 0mm 1.1kPa 24135m 2.1m/s 2m/s
11:00
11% 3°C 0mm 38% 0cm 52° 17°C 0mm 1.2kPa 24135m 2.9m/s 2.5m/s
12:00
13% 3.4°C 0mm 37% 0cm 60° 18°C 0mm 1.3kPa 24134m 3.5m/s 2.6m/s
13:00
14% 3.2°C 0mm 35% 0cm 66° 19°C 0mm 1.4kPa 24135m 4m/s 2.8m/s
14:00
16% 3.1°C 0mm 34% 0cm 66° 19°C 0mm 1.5kPa 24134m 4.3m/s 2.9m/s
15:00
22% 6.5°C 0.63mm 53% 0cm 61° 16°C 1.5mm 0.85kPa 20000m 3.7m/s 2.6m/s
16:00
27% 7.8°C 1.3mm 73% 0cm 52° 13°C 3.1mm 0.4kPa 15866m 3.1m/s 2.2m/s
17:00
33% 7.9°C 1.9mm 92% 0cm 42° 9.2°C 4.6mm 0.09kPa 11731m 2.5m/s 1.8m/s
18:00
28% 7.1°C 1.3mm 90% 0cm 32° 8.7°C 5.8mm 0.12kPa 15866m 2.8m/s 2.4m/s
19:00
22% 6.3°C 0.64mm 87% 0cm 22° 8.2°C 6.9mm 0.14kPa 20001m 3.2m/s 2.9m/s
20:00
17% 5.4°C 0.02mm 85% 0cm 12° 7.8°C 8.1mm 0.16kPa 24135m 3.6m/s 3.5m/s
21:00
12% 5.5°C 0.01mm 86% 0cm 2.5° 7.7°C 5.4mm 0.15kPa 23244m 3.4m/s 3.3m/s
22:00
7% 5.5°C 0.007mm 87% 0cm -6.1° 7.6°C 2.8mm 0.14kPa 22353m 3.1m/s 3.2m/s
23:00
2% 5.6°C 0mm 87% 0cm -13° 7.5°C 0.13mm 0.13kPa 21462m 2.8m/s 3m/s
Tue, Jun 9 Sunrise 05:42 Sunset 21:20
24:00
2% 6.2°C 0.01mm 88% 0cm -18° 8°C 0.25mm 0.13kPa 21387m 2.9m/s 2.7m/s
01:00
2% 6.8°C 0.03mm 88% 0cm -21° 8.6°C 0.38mm 0.13kPa 21313m 2.9m/s 2.4m/s
02:00
2% 7.4°C 0.04mm 89% 0cm -21° 9.1°C 0.5mm 0.13kPa 21239m 2.9m/s 2.1m/s
03:00
4% 7.6°C 0.04mm 85% 0cm -18° 10°C 0.77mm 0.19kPa 20152m 3m/s 2.2m/s
04:00
7% 7.9°C 0.04mm 80% 0cm -13° 11°C 1mm 0.26kPa 19065m 3.1m/s 2.4m/s
05:00
9% 8.1°C 0.04mm 76% 0cm -6.5° 12°C 1.3mm 0.34kPa 17978m 3.2m/s 2.5m/s
06:00
6% 8.4°C 0.11mm 83% 0cm 11°C 2mm 0.23kPa 12062m 2.9m/s 2.5m/s
07:00
4% 8.5°C 0.19mm 90% 0cm 11° 10°C 2.6mm 0.13kPa 6147m 2.7m/s 2.4m/s
08:00
1% 8.6°C 0.26mm 96% 0cm 21° 9.1°C 3.3mm 0.04kPa 231m 2.5m/s 2.4m/s
09:00
1% 8.6°C 0.19mm 95% 0cm 31° 9.4°C 2.5mm 0.06kPa 421m 2.5m/s 2.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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