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Rule Fog Hunter

Takachiho Gorge - Fog Hunter - Kyushu

Takachihono Mine, Japan

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread0.1°C
Visibility5599 (Moderate)
Relative Humidity100%
Wind Speed0.6m/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 (sunbreaks)
Takachiho Gorge
Wed, Jun 17 · 15:00–18:00 · 3h window
Medium confidence
52%
🌫️Fog Probability82.7%
Dewpoint Spread: 0.1°C
Visibility: 1567 (Mist/Haze)
Relative Humidity: 99%
Wind Speed: 0.4m/s (calm conditions)
fog weather icon
Moderate Fog at Sunset
Takachiho Gorge
Wed, Jun 17 · 18:00–20:00
🌫️Fog Probability:77.9-79.7%
Low

What this forecast looks for

Plain-language explanation from the rule

This forecast predicts when Kyushu's volcanic steam, subtropical humidity, and mountainous terrain create atmospheric photography conditions. We track temperature inversions, humidity patterns, and geothermal activity to identify when mist transforms calderas, forests, and onsen villages.

Kyushu's subtropical climate and active volcanism create fog conditions unlike anywhere else in Japan. Mount Aso's massive caldera traps morning mist around its active crater, while Yakushima's ancient cedars remain wrapped in perpetual cloud. Yufuin's onsen village sees lake mist rising from thermal springs beneath Mount Yufu's twin peaks.

What makes Kyushu fog photography special:

  • Volcanic steam mixing with natural fog - Mount Aso's active crater sends white plumes into morning mist creating otherworldly layers
  • Subtropical forest clouds - Yakushima's 3,000-year-old cedars emerge from moss-draped mist receiving 250+ inches annual rainfall
  • Onsen village atmospherics - Thermal springs in Yufuin and Beppu create steam rising from streets and ponds blending with natural fog
  • Crater lake mysteries - Kirishima's volcanic lakes develop morning fog banks isolated between peaks

Lake Kinrinko in Yufuin produces spectacular morning mist November through March when cold air meets thermal waters—arrive before dawn for steam rising across mirror-calm surface with Mount Yufu reflected. Mount Aso's caldera rim offers views into fog-filled volcanic bowls with Nakadake crater's steam plume above. Yakushima's forest trails become mystical when fog drifts through moss-covered ancient trees. Best conditions occur on clear cold winter mornings, though Yakushima's fog is reliably year-round.

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72-hour requirements breakdown

What passed or failed, hour by hour
2matching 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%
Sun, Jun 7
23:0091%
Mon, Jun 8
24:00100%
01:0069%
02:0049%
03:0044%
04:0071%
05:0071%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:0024%
14:0023%
15:0026%
16:0057%
17:0033%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:0041%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:0073%
17:0073%
18:0064%
19:0071%
20:0055%
21:0055%
22:0055%
23:0055%
Wed, Jun 10
24:0055%
01:0055%
02:0071%
03:0071%
04:0073%
05:0071%
06:0055%
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%
23:0055%
Thu, Jun 11
24:0071%
01:0071%
02:0071%
03:0071%
04:0055%
05:0055%
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%
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
Tue, Jun 9 Sunrise 05:10 Sunset 19:20
24:00
0% 19°C 1.9mm 100% 0cm -35° 19°C 4.6mm 0.01kPa 5599m 0.71m/s 0.58m/s
01:00
0% 18°C 0.6mm 99% 0cm -34° 18°C 5.9mm 0.02kPa 10103m 1.5m/s 0.97m/s
02:00
0% 18°C 0.69mm 99% 0cm -30° 18°C 6.4mm 0.02kPa 18183m 2.6m/s 1.5m/s
03:00
0% 17°C 0.47mm 99% 0cm -23° 18°C 7mm 0.03kPa 20498m 3m/s 1.6m/s
04:00
0% 17°C 0.52mm 99% 0cm -13° 17°C 0.88mm 0.02kPa 21574m 1.2m/s 0.98m/s
05:00
0% 17°C 1.2mm 99% 0cm -2.6° 17°C 1.4mm 0.02kPa 10002m 2.8m/s 1.5m/s
06:00
0% 17°C 2mm 99% 0cm 8.9° 17°C 3.3mm 0.02kPa 6811m 3.1m/s 1.3m/s
07:00
0% 17°C 0.88mm 99% 0cm 21° 17°C 4.9mm 0.02kPa 13501m 2.6m/s 1.2m/s
08:00
0% 17°C 0.07mm 98% 0cm 33° 17°C 5.4mm 0.03kPa 24135m 1.9m/s 0.95m/s
09:00
0% 17°C 0.19mm 98% 0cm 46° 17°C 5.8mm 0.03kPa 23985m 0.9m/s 0.53m/s
10:00
0% 17°C 1.2mm 98% 0cm 59° 17°C 0.38mm 0.04kPa 9373m 0.72m/s 0.35m/s
11:00
0% 17°C 0.34mm 98% 0cm 71° 17°C 1.2mm 0.03kPa 19100m 2m/s 1.2m/s
12:00
0% 17°C 0.18mm 98% 0cm 80° 17°C 1.6mm 0.04kPa 22277m 1m/s 0.73m/s
13:00
0% 17°C 0mm 98% 0cm 77° 17°C 1.6mm 0.05kPa 9410m 0.51m/s 0.19m/s
14:00
0% 17°C 0.06mm 99% 0cm 65° 17°C 1.7mm 0.03kPa 8893m 0.93m/s 0.73m/s
15:00
0% 16°C 0.06mm 99% 0cm 53° 16°C 1.8mm 0.02kPa 7336m 1.1m/s 0.91m/s
16:00
0% 16°C 0mm 99% 0cm 40° 16°C 0mm 0.02kPa 3291m 2.1m/s 1.1m/s
17:00
0% 16°C 0.17mm 99% 0cm 27° 16°C 0.06mm 0.02kPa 7666m 1m/s 0.56m/s
18:00
0% 16°C 0mm 99% 0cm 15° 16°C 0.19mm 0.02kPa 24135m 1.6m/s 0.84m/s
19:00
0% 15°C 0mm 98% 0cm 3.4° 15°C 0.19mm 0.04kPa 24135m 0.71m/s 0.49m/s
20:00
0% 15°C 0mm 97% 0cm -7.9° 15°C 0.19mm 0.05kPa 24134m 0.72m/s 0.67m/s
21:00
0% 14°C 0mm 97% 0cm -18° 15°C 0.19mm 0.05kPa 24134m 1m/s 0.94m/s
22:00
0% 14°C 0mm 97% 0cm -26° 15°C 0mm 0.05kPa 24134m 1m/s 0.94m/s
23:00
0% 14°C 0mm 97% 0cm -32° 15°C 0mm 0.05kPa 24135m 0.62m/s 0.61m/s
Wed, Jun 10 Sunrise 05:10 Sunset 19:20
24:00
0% 14°C 0mm 97% 0cm -35° 15°C 0mm 0.06kPa 24134m 0.6m/s 0.59m/s
01:00
0% 14°C 0mm 97% 0cm -34° 15°C 0mm 0.05kPa 24135m 0.62m/s 0.57m/s
02:00
0% 14°C 0mm 97% 0cm -30° 15°C 0mm 0.05kPa 24135m 0.6m/s 0.62m/s
03:00
0% 14°C 0mm 98% 0cm -23° 14°C 0mm 0.03kPa 24134m 0.71m/s 0.67m/s
04:00
0% 14°C 0mm 98% 0cm -13° 14°C 0mm 0.03kPa 24135m 0.71m/s 0.78m/s
05:00
1% 13°C 0mm 98% 0cm -2.6° 13°C 0mm 0.03kPa 24134m 0.9m/s 0.97m/s
06:00
1% 14°C 0mm 96% 0cm 8.9° 14°C 0mm 0.06kPa 24134m 0.62m/s 0.56m/s
07:00
1% 15°C 0mm 92% 0cm 21° 16°C 0mm 0.14kPa 24134m 0.9m/s 0.58m/s
08:00
2% 15°C 0mm 83% 0cm 33° 18°C 0mm 0.34kPa 24134m 0.9m/s 0.47m/s
09:00
2% 14°C 0mm 67% 0cm 46° 21°C 0mm 0.81kPa 24135m 1m/s 0.85m/s
10:00
13% 14°C 0mm 59% 0cm 59° 22°C 0mm 1.1kPa 24134m 1.9m/s 1.7m/s
11:00
23% 13°C 0mm 54% 0cm 71° 23°C 0mm 1.3kPa 24134m 1.9m/s 1.7m/s
12:00
34% 13°C 0mm 49% 0cm 80° 24°C 0mm 1.6kPa 24134m 2.4m/s 1.8m/s
13:00
35% 13°C 0mm 46% 0cm 77° 25°C 0mm 1.8kPa 24134m 2.5m/s 1.8m/s
14:00
35% 13°C 0mm 46% 0cm 65° 26°C 0mm 1.8kPa 24134m 2.7m/s 2.2m/s
15:00
36% 14°C 0mm 50% 0cm 53° 25°C 0mm 1.6kPa 24134m 2.2m/s 2.7m/s
16:00
29% 15°C 0mm 59% 0cm 40° 23°C 0mm 1.2kPa 24134m 2.7m/s 2.7m/s
17:00
23% 16°C 0mm 70% 0cm 27° 22°C 0mm 0.76kPa 24135m 2.8m/s 2.1m/s
18:00
16% 17°C 0mm 81% 0cm 15° 20°C 0.06mm 0.45kPa 24134m 2.3m/s 1.5m/s
19:00
14% 16°C 0mm 91% 0cm 3.5° 18°C 0.06mm 0.18kPa 24134m 1.4m/s 1.1m/s
20:00
12% 16°C 0mm 91% 0cm -7.8° 18°C 0.06mm 0.18kPa 24135m 0.61m/s 0.57m/s
21:00
10% 16°C 0mm 90% 0cm -18° 17°C 0.06mm 0.21kPa 24135m 0.2m/s 0.13m/s
22:00
21% 16°C 0mm 89% 0cm -26° 17°C 0mm 0.21kPa 24134m 0.5m/s 0.59m/s
23:00
32% 15°C 0mm 96% 0cm -32° 16°C 0mm 0.06kPa 24134m 1.3m/s 1.4m/s
Thu, Jun 11 Sunrise 05:10 Sunset 19:21
24:00
43% 15°C 0mm 98% 0cm -35° 15°C 0mm 0.04kPa 24135m 1.3m/s 1.4m/s
01:00
41% 15°C 0mm 98% 0cm -34° 15°C 0mm 0.04kPa 24134m 1.3m/s 1.6m/s
02:00
40% 14°C 0mm 97% 0cm -30° 15°C 0mm 0.04kPa 24135m 1.4m/s 1.6m/s
03:00
38% 14°C 0mm 97% 0cm -22° 14°C 0mm 0.05kPa 24134m 1.4m/s 1.6m/s
04:00
41% 14°C 0mm 96% 0cm -13° 14°C 0mm 0.06kPa 24135m 1.5m/s 1.8m/s
05:00
43% 13°C 0mm 95% 0cm -2.6° 14°C 0mm 0.08kPa 24134m 1.5m/s 1.7m/s
06:00
46% 13°C 0mm 90% 0cm 8.9° 15°C 0mm 0.17kPa 24135m 1.9m/s 1.6m/s
07:00
40% 14°C 0mm 80% 0cm 21° 17°C 0mm 0.4kPa 24135m 1.9m/s 1.1m/s
08:00
34% 14°C 0mm 64% 0cm 33° 20°C 0mm 0.85kPa 24134m 1.5m/s 0.78m/s
09:00
28% 13°C 0mm 54% 0cm 46° 23°C 0mm 1.3kPa 24134m 0.81m/s 0.12m/s
10:00
23% 13°C 0mm 57% 0cm 59° 22°C 0mm 1.2kPa 24134m 1.8m/s 0.74m/s
11:00
17% 13°C 0mm 59% 0cm 71° 22°C 0mm 1.1kPa 24135m 2.9m/s 1.4m/s
12:00
12% 13°C 0mm 62% 0cm 81° 21°C 0mm 0.94kPa 24135m 3.9m/s 2m/s
13:00
11% 13°C 0mm 67% 0cm 77° 19°C 0mm 0.73kPa 24135m 3.6m/s 2m/s
14:00
11% 12°C 0mm 72% 0cm 65° 17°C 0mm 0.55kPa 24135m 3.3m/s 2.1m/s
15:00
10% 12°C 0mm 78% 0cm 53° 16°C 0mm 0.4kPa 24135m 2.9m/s 2.2m/s
16:00
16% 12°C 0mm 78% 0cm 40° 15°C 0mm 0.38kPa 24135m 3m/s 2.2m/s
17:00
21% 11°C 0mm 78% 0cm 28° 15°C 0mm 0.37kPa 24135m 3m/s 2.2m/s
18:00
27% 11°C 0mm 79% 0cm 15° 14°C 0mm 0.35kPa 24135m 3m/s 2.3m/s
19:00
29% 11°C 0mm 79% 0cm 3.5° 14°C 0mm 0.34kPa 24135m 3.3m/s 2.3m/s
20:00
30% 10°C 0mm 79% 0cm -7.7° 14°C 0mm 0.33kPa 24135m 3.6m/s 2.4m/s
21:00
32% 9.8°C 0mm 79% 0cm -18° 13°C 0mm 0.33kPa 24135m 3.8m/s 2.4m/s
22:00
43% 10°C 0mm 79% 0cm -26° 14°C 0mm 0.32kPa 24135m 3.7m/s 2.3m/s
23:00
55% 10°C 0mm 80% 0cm -32° 14°C 0mm 0.31kPa 24135m 3.5m/s 2.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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