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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
Dewpoint Spread0.9°C
Visibility24135 (Clear)
Relative Humidity95%
Wind Speed1.5m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo
fog weather icon
Next opportunity
Dense Fog
Biei
Mon, Jul 13 · 23:00–01:00 · 2h window
Low confidence
34%
🌫️Fog Probability77.1-86%
Dewpoint Spread: 0.4°C
Visibility: 4236 (Mist/Haze)
Relative Humidity: 97%
Wind Speed: 2.1m/s (calm conditions)

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 75.0%
Tue, Jul 7
22:000%
23:000%
Wed, Jul 8
24:0055%
01:0055%
02:0055%
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%
22:0053%
23:000%
Thu, Jul 9
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%
Fri, Jul 10
24:000%
01:000%
02:0029%
03:0030%
04:0055%
05:0053%
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%
Sat, Jul 11
24:0029%
01:0043%
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
Wed, Jul 8 Sunrise 03:57 Sunset 19:13
23:00
0% 16°C 0mm 95% 0cm -23° 17°C 0mm 0.1kPa 24135m 1.5m/s 1.5m/s
Thu, Jul 9 Sunrise 03:57 Sunset 19:13
24:00
0% 16°C 0mm 94% 0cm -24° 17°C 0mm 0.11kPa 24135m 1.9m/s 1.8m/s
01:00
0% 16°C 0mm 94% 0cm -21° 17°C 0mm 0.12kPa 24135m 2m/s 2.1m/s
02:00
0% 16°C 0mm 92% 0cm -16° 17°C 0mm 0.16kPa 24135m 2m/s 2m/s
03:00
0% 16°C 0mm 92% 0cm -9° 17°C 0mm 0.14kPa 24134m 3.1m/s 2.1m/s
04:00
0% 15°C 0mm 93% 0cm 0.1° 16°C 0mm 0.12kPa 24134m 1.2m/s 1.2m/s
05:00
0% 15°C 0mm 92% 0cm 9.3° 17°C 0mm 0.16kPa 24134m 0.93m/s 0.99m/s
06:00
0% 16°C 0mm 90% 0cm 20° 17°C 0mm 0.2kPa 24135m 0.91m/s 0.91m/s
07:00
0% 16°C 0mm 87% 0cm 30° 19°C 0mm 0.27kPa 24134m 1.3m/s 1m/s
08:00
0% 16°C 0mm 78% 0cm 41° 20°C 0mm 0.53kPa 24134m 2.1m/s 1.4m/s
09:00
0% 17°C 0mm 81% 0cm 52° 21°C 0mm 0.45kPa 24135m 2.5m/s 1.7m/s
10:00
0% 17°C 0mm 83% 0cm 61° 20°C 0mm 0.41kPa 24135m 3.1m/s 1.8m/s
11:00
0% 17°C 0mm 74% 0cm 68° 21°C 0mm 0.64kPa 24135m 3m/s 2.1m/s
12:00
0% 17°C 0mm 71% 0cm 68° 22°C 0mm 0.75kPa 24134m 3.1m/s 2.3m/s
13:00
0% 17°C 0mm 72% 0cm 63° 22°C 0mm 0.75kPa 24134m 3.5m/s 2.1m/s
14:00
0% 17°C 0mm 80% 0cm 53° 21°C 0mm 0.49kPa 24134m 2.4m/s 1.9m/s
15:00
0% 18°C 0mm 80% 0cm 43° 21°C 0mm 0.51kPa 24135m 3.3m/s 2.3m/s
16:00
0% 18°C 0mm 80% 0cm 32° 22°C 0mm 0.53kPa 24135m 4.4m/s 2.4m/s
17:00
0% 18°C 0mm 83% 0cm 21° 21°C 0mm 0.42kPa 24134m 4.4m/s 2.5m/s
18:00
0% 18°C 0mm 85% 0cm 11° 20°C 0mm 0.35kPa 24135m 3.3m/s 2.3m/s
19:00
0% 17°C 0.01mm 87% 0cm 1.5° 19°C 0mm 0.3kPa 24134m 4.3m/s 2.9m/s
20:00
0% 17°C 0.05mm 90% 0cm -7.6° 19°C 0.13mm 0.22kPa 24135m 3.6m/s 2.5m/s
21:00
0% 17°C 0mm 91% 0cm -15° 19°C 0.13mm 0.19kPa 24135m 3.8m/s 2.7m/s
22:00
0% 17°C 0.02mm 93% 0cm -21° 18°C 0mm 0.15kPa 24134m 4m/s 2.7m/s
23:00
0% 17°C 0.12mm 91% 0cm -24° 19°C 0.13mm 0.19kPa 24135m 4.1m/s 2.6m/s
Fri, Jul 10 Sunrise 03:57 Sunset 19:12
24:00
0% 17°C 0mm 91% 0cm -24° 19°C 0.19mm 0.2kPa 24127m 4.8m/s 2.8m/s
01:00
0% 18°C 0.06mm 94% 0cm -21° 19°C 0.5mm 0.12kPa 15499m 4.3m/s 2.6m/s
02:00
0% 18°C 0.01mm 95% 0cm -16° 19°C 0.63mm 0.11kPa 24135m 4.8m/s 2.7m/s
03:00
0% 18°C 0.07mm 96% 0cm -9.1° 18°C 0.75mm 0.07kPa 20520m 5m/s 2.5m/s
04:00
0% 18°C 0.04mm 96% 0cm 0.01° 18°C 0.13mm 0.07kPa 20208m 4.9m/s 2.5m/s
05:00
0% 18°C 0mm 96% 0cm 9.2° 19°C 0.19mm 0.09kPa 20151m 4.5m/s 2.4m/s
06:00
0% 19°C 0.16mm 95% 0cm 19° 20°C 0.63mm 0.12kPa 7856m 3.6m/s 1.9m/s
07:00
0% 19°C 0.06mm 97% 0cm 30° 19°C 1.1mm 0.07kPa 21132m 3.6m/s 2m/s
08:00
0% 19°C 0mm 95% 0cm 41° 20°C 1.1mm 0.12kPa 24135m 3.7m/s 2.2m/s
09:00
0% 20°C 0mm 88% 0cm 52° 22°C 1.2mm 0.33kPa 24135m 3.1m/s 2.3m/s
10:00
0% 20°C 0mm 85% 0cm 61° 23°C 0.13mm 0.41kPa 22049m 3.4m/s 2.8m/s
11:00
0% 20°C 0mm 81% 0cm 67° 24°C 0.5mm 0.55kPa 8444m 3.1m/s 2.3m/s
12:00
0% 20°C 0mm 75% 0cm 68° 25°C 1.1mm 0.81kPa 24134m 2.7m/s 2m/s
13:00
0% 21°C 0mm 76% 0cm 62° 25°C 1.6mm 0.79kPa 8921m 2.7m/s 2m/s
14:00
0% 21°C 0.03mm 80% 0cm 53° 24°C 2.1mm 0.61kPa 8412m 2.9m/s 2.5m/s
15:00
0% 20°C 0.11mm 90% 0cm 43° 22°C 4.4mm 0.26kPa 4843m 2.8m/s 2m/s
16:00
0% 20°C 0.13mm 93% 0cm 32° 21°C 1mm 0.18kPa 20909m 1.7m/s 1.8m/s
17:00
0% 20°C 0.12mm 93% 0cm 21° 21°C 2mm 0.16kPa 18303m 1.7m/s 1.8m/s
18:00
0% 19°C 0.01mm 91% 0cm 11° 21°C 2.3mm 0.22kPa 7175m 1.8m/s 2m/s
19:00
0% 19°C 0.18mm 90% 0cm 1.4° 20°C 2.8mm 0.22kPa 24134m 1.8m/s 2m/s
20:00
0% 18°C 0.1mm 90% 0cm -7.7° 20°C 2.8mm 0.23kPa 24132m 1.8m/s 2m/s
21:00
0% 18°C 0.01mm 91% 0cm -15° 20°C 2.9mm 0.22kPa 24134m 2m/s 2.2m/s
22:00
0% 18°C 0mm 91% 0cm -21° 19°C 0mm 0.2kPa 24135m 2.3m/s 2.5m/s
23:00
0% 18°C 0mm 93% 0cm -24° 19°C 0mm 0.15kPa 23704m 4.4m/s 3m/s
Sat, Jul 11 Sunrise 03:58 Sunset 19:12
24:00
0% 18°C 0mm 96% 0cm -24° 19°C 0.25mm 0.09kPa 12445m 5.3m/s 2.8m/s
01:00
0% 18°C 0mm 97% 0cm -21° 19°C 0.81mm 0.06kPa 11062m 4.8m/s 2.5m/s
02:00
0% 19°C 0mm 98% 0cm -16° 19°C 1.7mm 0.05kPa 9138m 4.7m/s 2.6m/s
03:00
0% 19°C 0mm 97% 0cm -9.2° 19°C 2.9mm 0.06kPa 6453m 4.6m/s 2.5m/s
04:00
1% 19°C 0mm 92% 0cm -0.19° 21°C 2.5mm 0.2kPa 5818m 3.8m/s 2.3m/s
05:00
2% 20°C 0mm 86% 0cm 9.1° 22°C 2.2mm 0.38kPa 5183m 2.9m/s 2m/s
06:00
3% 20°C 0mm 80% 0cm 19° 24°C 1.9mm 0.58kPa 4548m 2.1m/s 1.7m/s
07:00
3% 20°C 0.15mm 83% 0cm 30° 23°C 3mm 0.49kPa 11071m 1.9m/s 1.6m/s
08:00
2% 20°C 0.29mm 85% 0cm 41° 22°C 4.1mm 0.41kPa 17595m 1.7m/s 1.5m/s
09:00
2% 19°C 0.44mm 87% 0cm 51° 22°C 5.3mm 0.33kPa 24118m 1.4m/s 1.4m/s
10:00
2% 19°C 0.36mm 86% 0cm 61° 22°C 4.4mm 0.36kPa 24124m 1.4m/s 1.4m/s
11:00
3% 20°C 0.28mm 85% 0cm 67° 22°C 3.5mm 0.39kPa 24129m 1.4m/s 1.4m/s
12:00
3% 20°C 0.2mm 84% 0cm 68° 22°C 2.6mm 0.42kPa 24135m 1.3m/s 1.4m/s
13:00
2% 19°C 0.15mm 85% 0cm 62° 21°C 2.8mm 0.38kPa 24135m 1.7m/s 1.8m/s
14:00
2% 18°C 0.09mm 86% 0cm 53° 21°C 2.9mm 0.35kPa 24135m 2m/s 2.2m/s
15:00
1% 18°C 0.04mm 86% 0cm 43° 20°C 3mm 0.32kPa 24135m 2.3m/s 2.6m/s
16:00
2% 18°C 0.03mm 88% 0cm 32° 20°C 2mm 0.28kPa 24135m 3m/s 2.7m/s
17:00
3% 18°C 0.01mm 89% 0cm 21° 20°C 1mm 0.25kPa 24135m 3.7m/s 2.8m/s
18:00
4% 18°C 0mm 91% 0cm 11° 20°C 0mm 0.21kPa 24135m 4.3m/s 3m/s
19:00
4% 18°C 0mm 92% 0cm 1.4° 19°C 0.02mm 0.19kPa 24135m 4m/s 2.9m/s
20:00
4% 18°C 0mm 93% 0cm -7.8° 19°C 0.04mm 0.16kPa 24135m 3.7m/s 2.8m/s
21:00
4% 18°C 0mm 94% 0cm -15° 19°C 0.06mm 0.14kPa 24135m 3.4m/s 2.8m/s
22:00
6% 18°C 0mm 93% 0cm -21° 19°C 0.04mm 0.17kPa 24135m 3.7m/s 2.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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