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Rule Fog Hunter

Biei - Fog Hunter - Japan

Biei, Hokkaido, Japan

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.1°C
Visibility24135 (Clear)
Relative Humidity93%
Wind Speed2.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo
fog weather icon
Next opportunity
Moderate Fog
Biei
Mon, Jun 1 · 17:00–18:00 · 1h window
Low confidence
31%
🌫️Fog Probability77.9%
Dewpoint Spread: 0.2°C
Visibility: 4349 (Mist/Haze)
Relative Humidity: 99%
Wind Speed: 1.9m/s (calm conditions)
fog weather icon
Dense Fog at Sunset
Biei
Mon, Jun 1 · 18:00–20:00
🌫️Fog Probability:88.6-91.1%
Medium
fog weather icon
Dense Fog
Biei
Mon, Jun 1 · 20:00–01:00
🌫️Fog Probability:100%
High

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 75.0%
Sun, May 24
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, May 25
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, May 26
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%
Wed, May 27
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%
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
Asia/Tokyo
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
Sun, May 24 Sunrise 03:57 Sunset 18:56
22:00 ☾
0% 7.9°C 0.03mm 93% 0cm -23° 9°C 0.25mm 0.09kPa 24135m 4.5m/s 2.4m/s
23:00 ☾
0% 8°C 0.05mm 92% 0cm -25° 9.2°C 0.31mm 0.09kPa 24135m 3.7m/s 2.1m/s
Mon, May 25 Sunrise 03:57 Sunset 18:56
24:00 ☾
0% 8.2°C 0.44mm 93% 0cm -25° 9.3°C 0.5mm 0.08kPa 21901m 3m/s 1.8m/s
01:00 ☾
0% 8.3°C 0.07mm 93% 0cm -22° 9.3°C 0.81mm 0.08kPa 24134m 2.2m/s 1.4m/s
02:00 ☾
0% 8.4°C 0.33mm 94% 0cm -17° 9.3°C 1mm 0.07kPa 22241m 2.2m/s 1.5m/s
03:00 ☾
0% 8.4°C 0.18mm 93% 0cm -9.1° 9.6°C 1.1mm 0.09kPa 24133m 2.4m/s 1.7m/s
04:00 ☾
0% 8.6°C 0.42mm 94% 0cm 0.23° 9.6°C 0.38mm 0.08kPa 21432m 2.4m/s 1.7m/s
05:00 ☾
0% 8.8°C 0.03mm 93% 0cm 9.7° 9.8°C 0.5mm 0.08kPa 24134m 2.4m/s 1.7m/s
06:00 ☾
0% 9°C 0mm 89% 0cm 20° 11°C 0.5mm 0.14kPa 24135m 2.1m/s 1.4m/s
07:00 ☾
0% 9.4°C 0mm 88% 0cm 31° 11°C 0.5mm 0.15kPa 24134m 1.7m/s 1.3m/s
08:00 ☾
0% 10°C 0mm 86% 0cm 42° 12°C 0.5mm 0.2kPa 24135m 2.1m/s 1.9m/s
09:00
0% 11°C 0mm 84% 0cm 52° 13°C 0.56mm 0.24kPa 24135m 1.9m/s 1.8m/s
10:00
0% 11°C 0mm 79% 0cm 61° 15°C 0.13mm 0.36kPa 24135m 2.7m/s 2.3m/s
11:00
1% 11°C 0mm 71% 0cm 67° 16°C 0.19mm 0.52kPa 24135m 2.3m/s 2.1m/s
12:00
1% 10°C 0mm 65% 0cm 66° 17°C 0.19mm 0.68kPa 24135m 2.2m/s 2.1m/s
13:00
2% 9.9°C 0mm 58% 0cm 60° 18°C 0.25mm 0.87kPa 24134m 2.8m/s 2m/s
14:00
4% 9.4°C 0mm 54% 0cm 51° 19°C 0.25mm 1kPa 24134m 3.4m/s 2.1m/s
15:00
5% 9.1°C 0mm 52% 0cm 41° 19°C 0.25mm 1.1kPa 24134m 3.1m/s 2.4m/s
16:00
19% 9.2°C 0mm 53% 0cm 30° 19°C 0mm 1kPa 24135m 2.5m/s 2.1m/s
17:00
34% 11°C 0mm 62% 0cm 19° 18°C 0mm 0.8kPa 24134m 2.4m/s 2.6m/s
18:00
48% 11°C 0mm 74% 0cm 8.7° 16°C 0mm 0.47kPa 24135m 1.5m/s 1.3m/s
19:00 ☾
47% 10°C 0mm 82% 0cm -0.84° 13°C 0mm 0.27kPa 24135m 0.5m/s 0.32m/s
20:00 ☾
47% 9.9°C 0mm 84% 0cm -9.8° 12°C 0mm 0.23kPa 24134m 1.5m/s 1.6m/s
21:00 ☾
46% 9.5°C 0mm 86% 0cm -17° 12°C 0mm 0.19kPa 24135m 2.4m/s 2.6m/s
22:00 ☾
33% 9.3°C 0mm 88% 0cm -22° 11°C 0mm 0.17kPa 24134m 2.2m/s 2.4m/s
23:00 ☾
21% 9.2°C 0mm 89% 0cm -25° 11°C 0mm 0.15kPa 24134m 3.6m/s 3.1m/s
Tue, May 26 Sunrise 03:56 Sunset 18:57
24:00 ☾
8% 9.2°C 0mm 90% 0cm -25° 11°C 0mm 0.13kPa 24134m 3.9m/s 3.2m/s
01:00 ☾
5% 9.4°C 0mm 92% 0cm -22° 11°C 0mm 0.1kPa 24134m 3.8m/s 3m/s
02:00 ☾
3% 9.4°C 0mm 91% 0cm -16° 11°C 0mm 0.12kPa 24135m 3.6m/s 2.9m/s
03:00 ☾
0% 9.4°C 0mm 92% 0cm -9° 11°C 0mm 0.1kPa 24134m 3.8m/s 3m/s
04:00 ☾
0% 9.3°C 0mm 92% 0cm 0.32° 11°C 0mm 0.11kPa 24135m 4.5m/s 3.1m/s
05:00 ☾
0% 9.8°C 0mm 88% 0cm 9.8° 12°C 0mm 0.17kPa 24134m 4.7m/s 3m/s
06:00 ☾
0% 11°C 0mm 83% 0cm 20° 14°C 0mm 0.27kPa 24135m 5.6m/s 3m/s
07:00 ☾
0% 11°C 0mm 77% 0cm 31° 15°C 0mm 0.39kPa 24134m 6m/s 3.3m/s
08:00 ☾
0% 11°C 0mm 72% 0cm 42° 16°C 0mm 0.5kPa 24134m 6.4m/s 3.8m/s
09:00
0% 11°C 0mm 66% 0cm 52° 17°C 0mm 0.64kPa 24135m 6.1m/s 4.2m/s
10:00
0% 10°C 0mm 59% 0cm 61° 18°C 0mm 0.87kPa 24134m 5.8m/s 4.7m/s
11:00
0% 10°C 0mm 53% 0cm 67° 20°C 0mm 1.1kPa 24135m 5.8m/s 4.9m/s
12:00
0% 10°C 0mm 49% 0cm 67° 21°C 0mm 1.3kPa 24134m 5.6m/s 4.7m/s
13:00
0% 10°C 0mm 52% 0cm 60° 21°C 0mm 1.2kPa 24134m 5.8m/s 4.8m/s
14:00
0% 10°C 0mm 50% 0cm 51° 21°C 0mm 1.3kPa 24134m 5.9m/s 5m/s
15:00
0% 11°C 0mm 51% 0cm 41° 21°C 0mm 1.2kPa 24135m 6m/s 4.6m/s
16:00
1% 12°C 0mm 56% 0cm 30° 21°C 0mm 1.1kPa 24134m 5.6m/s 3.9m/s
17:00
3% 12°C 0mm 63% 0cm 19° 20°C 0mm 0.83kPa 24135m 6.1m/s 3.7m/s
18:00
4% 13°C 0mm 74% 0cm 8.9° 17°C 0mm 0.53kPa 24134m 6m/s 3.1m/s
19:00 ☾
3% 12°C 0mm 79% 0cm -0.65° 16°C 0mm 0.38kPa 24135m 5.8m/s 3m/s
20:00 ☾
2% 12°C 0mm 86% 0cm -9.7° 14°C 0mm 0.23kPa 24134m 4.1m/s 2.9m/s
21:00 ☾
1% 12°C 0mm 87% 0cm -17° 14°C 0mm 0.22kPa 24134m 5.1m/s 2.9m/s
22:00 ☾
1% 12°C 0mm 91% 0cm -22° 13°C 0mm 0.13kPa 24134m 2.2m/s 2.3m/s
23:00 ☾
0% 12°C 0mm 90% 0cm -25° 13°C 0mm 0.16kPa 24135m 4.8m/s 3.2m/s
Wed, May 27 Sunrise 03:56 Sunset 18:58
24:00 ☾
0% 11°C 0mm 91% 0cm -25° 13°C 0.06mm 0.14kPa 24135m 2.4m/s 2.5m/s
01:00 ☾
0% 11°C 0mm 91% 0cm -22° 13°C 0.06mm 0.14kPa 24134m 1.7m/s 1.7m/s
02:00 ☾
0% 11°C 0mm 92% 0cm -16° 12°C 0.06mm 0.11kPa 24135m 1m/s 1m/s
03:00 ☾
0% 11°C 0mm 92% 0cm -8.9° 12°C 0.06mm 0.1kPa 24134m 1.9m/s 2m/s
04:00 ☾
2% 11°C 0mm 79% 0cm 0.42° 15°C 0.04mm 0.36kPa 24134m 2.4m/s 2.2m/s
05:00 ☾
4% 12°C 0mm 65% 0cm 9.9° 18°C 0.02mm 0.73kPa 24135m 2.9m/s 2.4m/s
06:00 ☾
6% 11°C 0mm 51% 0cm 20° 21°C 0mm 1.2kPa 24135m 3.4m/s 2.5m/s
07:00 ☾
8% 11°C 0mm 51% 0cm 31° 22°C 0mm 1.3kPa 24135m 3.3m/s 2.6m/s
08:00 ☾
11% 11°C 0mm 50% 0cm 42° 22°C 0mm 1.3kPa 24135m 3.1m/s 2.6m/s
09:00
13% 11°C 0mm 50% 0cm 52° 22°C 0mm 1.3kPa 24135m 3m/s 2.7m/s
10:00
18% 12°C 0mm 57% 0cm 61° 21°C 0mm 1kPa 24135m 2.6m/s 2.4m/s
11:00
22% 13°C 0mm 65% 0cm 67° 20°C 0mm 0.8kPa 24135m 2.3m/s 2.1m/s
12:00
27% 13°C 0mm 72% 0cm 67° 18°C 0mm 0.59kPa 24135m 1.9m/s 1.9m/s
13:00
26% 13°C 0mm 77% 0cm 61° 17°C 0mm 0.43kPa 24135m 1.7m/s 1.7m/s
14:00
26% 12°C 0mm 82% 0cm 51° 15°C 0mm 0.31kPa 24135m 1.4m/s 1.5m/s
15:00
25% 12°C 0mm 87% 0cm 41° 14°C 0mm 0.2kPa 24135m 1.1m/s 1.2m/s
16:00
23% 11°C 0mm 86% 0cm 30° 13°C 0mm 0.21kPa 24135m 1.4m/s 1.5m/s
17:00
20% 11°C 0mm 85% 0cm 19° 13°C 0mm 0.22kPa 24135m 1.6m/s 1.8m/s
18:00
18% 11°C 0mm 84% 0cm 9° 13°C 0mm 0.23kPa 24135m 1.8m/s 2m/s
19:00 ☾
14% 10°C 0mm 82% 0cm -0.44° 13°C 0mm 0.27kPa 24135m 1.7m/s 1.9m/s
20:00 ☾
11% 9.8°C 0mm 79% 0cm -9.5° 13°C 0mm 0.31kPa 24135m 1.6m/s 1.8m/s
21:00 ☾
7% 9.5°C 0mm 77% 0cm -17° 13°C 0mm 0.36kPa 24135m 1.5m/s 1.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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