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Rule Fog Hunter

Fog Hunter Forecast for Yufuin, Kyushu

Yufu, Oita, Japan

Mount Yufu rises beyond the wooded shore of Lake Kinrinko. Bridges, reeds, and low lakeside buildings give its reflection scale and distinguish the water from the mountain backdrop.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.4°C
Visibility24135 (Clear)
Relative Humidity91%
Wind Speed1.2m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo
fog weather icon
Next opportunity
Misty Conditions at Sunset
Yufuin
Tue, Aug 25 · 18:00–20:00 · 2h window
Medium confidence
65%
🌫️Fog Probability86%
Dewpoint Spread: 0.3°C
Visibility: 4820 (Mist/Haze)
Relative Humidity: 98%
Wind Speed: 0.3m/s (calm conditions)
fog weather icon
Misty Conditions
Yufuin
Tue, Aug 25 · 20:00–01:00
🌫️Fog Probability:86-88.6%
Medium
fog weather icon
Fog Potential at Sunset
Yufuin
Mon, Aug 31 · 18:00–19:00
🌫️Fog Probability:91.1%
Medium
fog weather icon
Fog Potential at Dusk
Yufuin
Mon, Aug 31 · 19:00–20:00
🌫️Fog Probability:79.7%
Low

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Kyushu. The requirements and hourly values below show how those signals apply at Yufuin.

Explore Fog Hunter conditions across Kyushu →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Yufuin during the last 365 days.

Last 30 days
0
recorded matching windows
Last 90 days
18
recorded matching windows · 82% average confidence
Last 365 days
21
recorded matching windows · 82% average confidence
Most frequent recorded start hour

22:00 local time, shared by 7 of 21 matches recorded in the last 365 days.

Most represented month

May, with 8 of 21 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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95-hour requirements breakdown

When available, the detailed table below covers only the stated 95-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
7matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 75.0%
Sat, Aug 22
04:000%
05:0053%
06:0053%
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, Aug 23
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, Aug 24
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, Aug 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%
15:0042%
16:0057%
17:0068%
18:0086%
19:0086%
20:0086%
21:0089%
22:0086%
23:0086%
Wed, Aug 26
24:0086%
01:000%
02:000%
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, Aug 23 Sunrise 05:41 Sunset 18:52
05:00 ☾
78% 20°C 0mm 91% 0cm -9.3° 22°C 0mm 0.22kPa 24135m 1.3m/s 1.2m/s
06:00 ☾
99% 20°C 0mm 90% 0cm 3° 22°C 0mm 0.26kPa 24135m 1.1m/s 1.1m/s
07:00 ☾
99% 20°C 0mm 82% 0cm 15° 24°C 0mm 0.52kPa 24134m 1.3m/s 0.88m/s
08:00 ☾
99% 20°C 0mm 70% 0cm 28° 26°C 0mm 1kPa 24134m 2m/s 1.3m/s
09:00
99% 20°C 0mm 62% 0cm 40° 28°C 0mm 1.4kPa 24134m 2.8m/s 1.8m/s
10:00
94% 21°C 0mm 59% 0cm 52° 30°C 0mm 1.7kPa 24134m 3.4m/s 1.9m/s
11:00
90% 21°C 0mm 55% 0cm 62° 31°C 0mm 2kPa 24134m 3.1m/s 1.9m/s
12:00
85% 22°C 0mm 53% 0cm 68° 32°C 0mm 2.3kPa 24134m 3.4m/s 2.3m/s
13:00
84% 22°C 0mm 54% 0cm 66° 32°C 0mm 2.2kPa 24134m 3.3m/s 2.7m/s
14:00
84% 22°C 0mm 56% 0cm 58° 32°C 0mm 2kPa 24135m 3.3m/s 2.7m/s
15:00
83% 22°C 0mm 57% 0cm 47° 31°C 0mm 1.9kPa 24135m 2.9m/s 2.4m/s
16:00
87% 22°C 0mm 59% 0cm 35° 31°C 0mm 1.8kPa 24135m 2.8m/s 2m/s
17:00
91% 22°C 0mm 62% 0cm 22° 30°C 0mm 1.6kPa 24134m 2.9m/s 1.7m/s
18:00
95% 23°C 0mm 73% 0cm 9.8° 29°C 0mm 1.1kPa 24134m 1.8m/s 1.4m/s
19:00 ☾
96% 22°C 0mm 80% 0cm -2.4° 26°C 0mm 0.66kPa 24134m 1.2m/s 1.1m/s
20:00 ☾
96% 22°C 0mm 85% 0cm -14° 25°C 0mm 0.48kPa 24135m 1.4m/s 1.2m/s
21:00 ☾
97% 22°C 0mm 88% 0cm -25° 24°C 0mm 0.37kPa 24135m 1.8m/s 1.7m/s
22:00 ☾
98% 22°C 0mm 90% 0cm -35° 23°C 0mm 0.28kPa 24135m 1.9m/s 1.8m/s
23:00 ☾
99% 22°C 0mm 92% 0cm -42° 23°C 0mm 0.22kPa 24134m 1.9m/s 1.8m/s
Mon, Aug 24 Sunrise 05:42 Sunset 18:51
24:00 ☾
100% 22°C 0mm 94% 0cm -45° 23°C 0mm 0.18kPa 24135m 1.8m/s 1.8m/s
01:00 ☾
100% 22°C 0mm 95% 0cm -44° 22°C 0mm 0.14kPa 24135m 1.7m/s 1.7m/s
02:00 ☾
100% 22°C 0mm 95% 0cm -39° 22°C 0mm 0.13kPa 24134m 1.5m/s 1.4m/s
03:00 ☾
100% 21°C 0mm 95% 0cm -31° 22°C 0mm 0.14kPa 24135m 1.4m/s 1.4m/s
04:00 ☾
100% 21°C 0mm 95% 0cm -21° 22°C 0mm 0.14kPa 24134m 1.4m/s 1.4m/s
05:00 ☾
100% 21°C 0mm 93% 0cm -9.4° 22°C 0mm 0.18kPa 24134m 1.3m/s 1.3m/s
06:00 ☾
100% 20°C 0mm 91% 0cm 2.9° 22°C 0mm 0.24kPa 24134m 1.1m/s 1.1m/s
07:00 ☾
100% 21°C 0mm 83% 0cm 15° 24°C 0mm 0.5kPa 24134m 1.4m/s 1m/s
08:00 ☾
100% 21°C 0mm 71% 0cm 28° 26°C 0mm 0.98kPa 24134m 1.9m/s 1.3m/s
09:00
100% 21°C 0mm 64% 0cm 40° 28°C 0mm 1.4kPa 24134m 2.6m/s 1.8m/s
10:00
99% 21°C 0mm 59% 0cm 52° 30°C 0mm 1.7kPa 24134m 3.4m/s 2.1m/s
11:00
98% 21°C 0mm 54% 0cm 62° 31°C 0mm 2.1kPa 24134m 3.8m/s 2.2m/s
12:00
97% 20°C 0mm 49% 0cm 68° 32°C 0mm 2.5kPa 24135m 3.8m/s 2.6m/s
13:00
95% 20°C 0mm 47% 0cm 66° 33°C 0mm 2.7kPa 24134m 4.1m/s 3.5m/s
14:00
94% 20°C 0mm 46% 0cm 58° 33°C 0mm 2.8kPa 24134m 4.2m/s 4.2m/s
15:00
92% 20°C 0mm 47% 0cm 47° 33°C 0mm 2.6kPa 24134m 3.9m/s 4.2m/s
16:00
94% 20°C 0mm 50% 0cm 35° 32°C 0mm 2.4kPa 24134m 3.7m/s 3.6m/s
17:00
95% 21°C 0mm 55% 0cm 22° 31°C 0mm 2kPa 24135m 3.4m/s 2.7m/s
18:00
97% 22°C 0mm 68% 0cm 9.6° 28°C 0mm 1.2kPa 24135m 4m/s 2.3m/s
19:00 ☾
97% 21°C 0mm 77% 0cm -2.7° 26°C 0mm 0.76kPa 24134m 1.7m/s 1.4m/s
20:00 ☾
98% 21°C 0mm 81% 0cm -15° 24°C 0mm 0.58kPa 24134m 1.6m/s 1.5m/s
21:00 ☾
98% 21°C 0mm 85% 0cm -26° 24°C 0mm 0.42kPa 24134m 1.8m/s 1.6m/s
22:00 ☾
96% 21°C 0mm 87% 0cm -35° 23°C 0mm 0.37kPa 24134m 1.8m/s 1.7m/s
23:00 ☾
93% 21°C 0mm 88% 0cm -42° 23°C 0mm 0.34kPa 24135m 1.7m/s 1.7m/s
Tue, Aug 25 Sunrise 05:43 Sunset 18:50
24:00 ☾
91% 21°C 0mm 88% 0cm -46° 23°C 0mm 0.32kPa 24134m 2m/s 2m/s
01:00 ☾
91% 20°C 0mm 88% 0cm -45° 22°C 0mm 0.33kPa 24135m 1.8m/s 1.7m/s
02:00 ☾
92% 20°C 0mm 85% 0cm -39° 22°C 0mm 0.41kPa 24134m 1.6m/s 1.6m/s
03:00 ☾
92% 20°C 0mm 87% 0cm -31° 22°C 0mm 0.35kPa 24135m 1.6m/s 1.5m/s
04:00 ☾
93% 20°C 0mm 86% 0cm -21° 22°C 0mm 0.36kPa 24134m 1.6m/s 1.6m/s
05:00 ☾
93% 19°C 0mm 86% 0cm -9.6° 22°C 0mm 0.35kPa 24134m 1.4m/s 1.4m/s
06:00 ☾
94% 19°C 0mm 86% 0cm 2.7° 22°C 0mm 0.35kPa 24134m 1.6m/s 1.5m/s
07:00 ☾
95% 20°C 0mm 81% 0cm 15° 24°C 0mm 0.55kPa 24135m 1.6m/s 1.1m/s
08:00 ☾
95% 21°C 0mm 74% 0cm 27° 26°C 0mm 0.87kPa 24134m 3.1m/s 1.7m/s
09:00
96% 20°C 0mm 63% 0cm 40° 28°C 0mm 1.4kPa 24134m 3.9m/s 2.1m/s
10:00
95% 21°C 0mm 67% 0cm 52° 27°C 0mm 1.2kPa 24134m 4.5m/s 2.2m/s
11:00
95% 21°C 0mm 71% 0cm 62° 27°C 0mm 1kPa 24134m 5.1m/s 2.3m/s
12:00
94% 22°C 0mm 75% 0cm 67° 26°C 0mm 0.85kPa 24135m 5.6m/s 2.3m/s
13:00
93% 22°C 0mm 82% 0cm 65° 25°C 0.02mm 0.56kPa 24135m 4.4m/s 1.9m/s
14:00
93% 22°C 0mm 90% 0cm 57° 24°C 0.04mm 0.3kPa 24135m 3.1m/s 1.4m/s
15:00
92% 22°C 0mm 97% 0cm 46° 22°C 0.06mm 0.09kPa 24135m 1.8m/s 0.99m/s
16:00
81% 22°C 0mm 97% 0cm 34° 22°C 0.06mm 0.08kPa 17697m 1.4m/s 0.76m/s
17:00
69% 22°C 0mm 98% 0cm 22° 22°C 0.06mm 0.06kPa 11259m 1m/s 0.52m/s
18:00
58% 22°C 0mm 98% 0cm 9.4° 22°C 0.06mm 0.05kPa 4820m 0.63m/s 0.28m/s
19:00 ☾
55% 22°C 0.003mm 98% 0cm -2.9° 22°C 0.1mm 0.05kPa 4638m 0.57m/s 0.3m/s
20:00 ☾
52% 22°C 0.007mm 98% 0cm -15° 22°C 0.15mm 0.05kPa 4455m 0.51m/s 0.32m/s
21:00 ☾
49% 22°C 0.01mm 98% 0cm -26° 22°C 0.19mm 0.05kPa 4272m 0.44m/s 0.34m/s
22:00 ☾
43% 22°C 0.007mm 98% 0cm -35° 22°C 0.17mm 0.05kPa 4516m 0.51m/s 0.4m/s
23:00 ☾
38% 22°C 0.003mm 98% 0cm -43° 22°C 0.15mm 0.06kPa 4760m 0.57m/s 0.46m/s
Wed, Aug 26 Sunrise 05:44 Sunset 18:48
24:00 ☾
32% 22°C 0mm 98% 0cm -46° 22°C 0.13mm 0.06kPa 5004m 0.63m/s 0.52m/s
01:00 ☾
31% 22°C 0.007mm 90% 0cm -45° 24°C 0.17mm 0.31kPa 11381m 2.4m/s 1.3m/s
02:00 ☾
29% 22°C 0.01mm 81% 0cm -40° 25°C 0.21mm 0.6kPa 17758m 4.1m/s 2.1m/s
03:00 ☾
28% 22°C 0.02mm 73% 0cm -31° 27°C 0.25mm 0.94kPa 24135m 5.8m/s 2.9m/s
04:00 ☾
26% 22°C 0.01mm 71% 0cm -21° 27°C 0.29mm 1.1kPa 24135m 6.3m/s 3.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

How opportunities work → Weather data sources →
Forecast generated

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