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Rule Fog Hunter

Kirishima - Fog Hunter - Kyushu

Kirishima, Kagoshima, Japan

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.3°C
Visibility24135 (Clear)
Relative Humidity92%
Wind Speed3.3m/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
Kirishima
Sun, Jul 12 · 20:00–01:00 · 5h window
Medium confidence
55%
🌫️Fog Probability79.7-88.6%
Dewpoint Spread: 0.2°C
Visibility: 3825 (Mist/Haze)
Relative Humidity: 99%
Wind Speed: 1.6m/s (calm conditions)

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
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
24:0053%
01:0053%
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%
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%
02:000%
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%
Sat, Jul 11
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%
17:0020%
18:0024%
19:0038%
20:0039%
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 05:18 Sunset 19:25
23:00 ☾
69% 21°C 0mm 92% 0cm -32° 23°C 0mm 0.21kPa 24135m 7.7m/s 3.3m/s
Thu, Jul 9 Sunrise 05:18 Sunset 19:25
24:00 ☾
82% 21°C 0mm 92% 0cm -36° 23°C 0mm 0.21kPa 24135m 8m/s 3.5m/s
01:00 ☾
74% 21°C 0mm 91% 0cm -35° 23°C 0mm 0.23kPa 24135m 8.3m/s 3.8m/s
02:00 ☾
65% 21°C 0mm 91% 0cm -31° 22°C 0mm 0.25kPa 24135m 8.7m/s 3.9m/s
03:00 ☾
57% 21°C 0mm 89% 0cm -24° 22°C 0mm 0.3kPa 24134m 8.6m/s 3.8m/s
04:00 ☾
52% 21°C 0mm 86% 0cm -15° 23°C 0mm 0.38kPa 24134m 8.8m/s 3.9m/s
05:00 ☾
46% 21°C 0mm 86% 0cm -4.2° 23°C 0mm 0.38kPa 24134m 8.8m/s 3.9m/s
06:00 ☾
41% 21°C 0mm 88% 0cm 7.3° 23°C 0mm 0.35kPa 24135m 9.2m/s 4.1m/s
07:00 ☾
44% 21°C 0mm 85% 0cm 19° 24°C 0mm 0.45kPa 24134m 9.4m/s 4.3m/s
08:00 ☾
48% 21°C 0mm 77% 0cm 32° 25°C 0mm 0.73kPa 24134m 8.7m/s 5m/s
09:00
51% 21°C 0mm 70% 0cm 44° 27°C 0mm 1kPa 24135m 8.3m/s 5.2m/s
10:00
50% 21°C 0mm 65% 0cm 57° 28°C 0mm 1.3kPa 24135m 7.5m/s 4.8m/s
11:00
49% 21°C 0mm 61% 0cm 70° 29°C 0mm 1.5kPa 24135m 7.2m/s 4.8m/s
12:00
48% 21°C 0mm 58% 0cm 79° 30°C 0mm 1.7kPa 24134m 6.7m/s 4.4m/s
13:00
41% 21°C 0mm 56% 0cm 77° 30°C 0mm 1.9kPa 24134m 6.3m/s 4.2m/s
14:00
33% 21°C 0mm 56% 0cm 66° 31°C 0mm 1.9kPa 24134m 6m/s 4.4m/s
15:00
26% 21°C 0mm 59% 0cm 54° 30°C 0mm 1.7kPa 24135m 6.1m/s 4.9m/s
16:00
32% 21°C 0mm 64% 0cm 41° 29°C 0mm 1.4kPa 24135m 6.3m/s 4.6m/s
17:00
39% 22°C 0mm 67% 0cm 28° 28°C 0mm 1.3kPa 24134m 6.1m/s 4.1m/s
18:00
45% 22°C 0mm 74% 0cm 16° 27°C 0mm 0.93kPa 24135m 7m/s 4m/s
19:00
50% 22°C 0mm 82% 0cm 4.2° 25°C 0mm 0.58kPa 24134m 7.9m/s 3.9m/s
20:00 ☾
55% 22°C 0mm 87% 0cm -7.2° 24°C 0mm 0.38kPa 24135m 8.3m/s 3.8m/s
21:00 ☾
60% 22°C 0mm 90% 0cm -17° 23°C 0mm 0.28kPa 24135m 8.8m/s 4.1m/s
22:00 ☾
54% 22°C 0mm 91% 0cm -26° 23°C 0mm 0.25kPa 24134m 8.2m/s 3.9m/s
23:00 ☾
48% 22°C 0mm 92% 0cm -32° 23°C 0mm 0.22kPa 24135m 8.7m/s 3.9m/s
Fri, Jul 10 Sunrise 05:18 Sunset 19:25
24:00 ☾
42% 22°C 0mm 92% 0cm -36° 23°C 0mm 0.22kPa 24135m 9.4m/s 4.1m/s
01:00 ☾
35% 22°C 0mm 91% 0cm -35° 23°C 0mm 0.25kPa 24134m 9.3m/s 4.2m/s
02:00 ☾
28% 22°C 0mm 93% 0cm -31° 23°C 0mm 0.21kPa 24135m 9.1m/s 4m/s
03:00 ☾
21% 22°C 0mm 92% 0cm -24° 23°C 0mm 0.22kPa 24135m 8.9m/s 3.9m/s
04:00 ☾
18% 22°C 0mm 91% 0cm -15° 24°C 0mm 0.25kPa 24134m 9m/s 4m/s
05:00 ☾
14% 22°C 0mm 92% 0cm -4.3° 24°C 0mm 0.24kPa 24135m 9.1m/s 4m/s
06:00 ☾
11% 22°C 0mm 91% 0cm 7.2° 24°C 0mm 0.27kPa 24135m 9.1m/s 4.2m/s
07:00 ☾
13% 23°C 0mm 87% 0cm 19° 25°C 0mm 0.39kPa 24135m 9.6m/s 4.4m/s
08:00 ☾
14% 23°C 0mm 82% 0cm 32° 26°C 0mm 0.59kPa 24135m 9.7m/s 5m/s
09:00
16% 22°C 0mm 74% 0cm 44° 27°C 0.06mm 0.93kPa 24135m 9.1m/s 5.3m/s
10:00
25% 22°C 0mm 68% 0cm 57° 29°C 0mm 1.3kPa 24135m 8.8m/s 5.3m/s
11:00
34% 22°C 0mm 63% 0cm 69° 30°C 0mm 1.5kPa 24135m 8.7m/s 5.5m/s
12:00
43% 22°C 0mm 61% 0cm 79° 30°C 0.06mm 1.7kPa 24134m 9.4m/s 5.9m/s
13:00
42% 22°C 0mm 58% 0cm 77° 31°C 0.06mm 1.9kPa 24135m 9.7m/s 6.2m/s
14:00
40% 22°C 0mm 59% 0cm 66° 31°C 0.06mm 1.8kPa 24134m 9.5m/s 6.1m/s
15:00
39% 22°C 0mm 62% 0cm 54° 30°C 0.06mm 1.6kPa 24135m 9.3m/s 5.8m/s
16:00
31% 23°C 0mm 68% 0cm 41° 29°C 0mm 1.3kPa 24134m 9.4m/s 5.4m/s
17:00
22% 23°C 0mm 74% 0cm 28° 28°C 0mm 0.99kPa 24134m 9.5m/s 5.1m/s
18:00
14% 23°C 0mm 79% 0cm 16° 27°C 0mm 0.73kPa 24135m 9.1m/s 4.6m/s
19:00
11% 23°C 0mm 84% 0cm 4.2° 26°C 0mm 0.51kPa 24134m 8.7m/s 4.2m/s
20:00 ☾
8% 23°C 0.01mm 89% 0cm -7.2° 25°C 0mm 0.35kPa 24134m 9m/s 4m/s
21:00 ☾
5% 23°C 0mm 90% 0cm -18° 25°C 0.06mm 0.31kPa 24134m 9.5m/s 4.1m/s
22:00 ☾
3% 23°C 0.01mm 90% 0cm -26° 24°C 0mm 0.3kPa 24135m 9.8m/s 4.2m/s
23:00 ☾
2% 23°C 0mm 91% 0cm -33° 24°C 0mm 0.27kPa 24134m 9.6m/s 4.1m/s
Sat, Jul 11 Sunrise 05:19 Sunset 19:24
24:00 ☾
0% 23°C 0.01mm 90% 0cm -36° 24°C 0mm 0.29kPa 24134m 10m/s 4.4m/s
01:00 ☾
0% 23°C 0mm 90% 0cm -35° 24°C 0mm 0.29kPa 24135m 11m/s 4.5m/s
02:00 ☾
0% 23°C 0mm 90% 0cm -31° 24°C 0mm 0.29kPa 24135m 11m/s 4.4m/s
03:00 ☾
0% 23°C 0mm 91% 0cm -24° 24°C 0.06mm 0.27kPa 24135m 11m/s 4.6m/s
04:00 ☾
0% 23°C 0.007mm 88% 0cm -15° 25°C 0.15mm 0.38kPa 24082m 11m/s 4.7m/s
05:00 ☾
0% 24°C 0.01mm 85% 0cm -4.4° 26°C 0.23mm 0.52kPa 24029m 10m/s 4.8m/s
06:00 ☾
0% 24°C 0.02mm 82% 0cm 7.1° 28°C 0.31mm 0.67kPa 23976m 9.4m/s 4.8m/s
07:00 ☾
0% 24°C 0.02mm 80% 0cm 19° 28°C 0.42mm 0.77kPa 24029m 9.2m/s 4.9m/s
08:00 ☾
0% 24°C 0.03mm 77% 0cm 32° 28°C 0.52mm 0.87kPa 24082m 9m/s 5.1m/s
09:00
0% 24°C 0.03mm 75% 0cm 44° 29°C 0.63mm 0.98kPa 24135m 8.8m/s 5.2m/s
10:00
0% 24°C 0.02mm 79% 0cm 57° 28°C 0.5mm 0.79kPa 24125m 8.8m/s 4.8m/s
11:00
1% 24°C 0.01mm 83% 0cm 69° 27°C 0.38mm 0.61kPa 24114m 8.7m/s 4.3m/s
12:00
1% 24°C 0mm 87% 0cm 79° 27°C 0.25mm 0.44kPa 24104m 8.6m/s 3.9m/s
13:00
1% 24°C 0.02mm 90% 0cm 77° 26°C 0.38mm 0.34kPa 23750m 8.7m/s 3.7m/s
14:00
1% 24°C 0.03mm 93% 0cm 66° 26°C 0.5mm 0.24kPa 23396m 8.8m/s 3.4m/s
15:00
1% 24°C 0.05mm 95% 0cm 54° 25°C 0.63mm 0.15kPa 23042m 8.9m/s 3.1m/s
16:00
3% 24°C 0.04mm 96% 0cm 41° 25°C 0.54mm 0.13kPa 23102m 8.6m/s 3m/s
17:00
5% 24°C 0.04mm 96% 0cm 28° 25°C 0.46mm 0.11kPa 23162m 8.2m/s 2.8m/s
18:00
7% 24°C 0.03mm 97% 0cm 16° 25°C 0.38mm 0.09kPa 23221m 7.8m/s 2.7m/s
19:00
6% 24°C 0.04mm 97% 0cm 4.2° 25°C 0.48mm 0.09kPa 23526m 7.6m/s 2.6m/s
20:00 ☾
5% 24°C 0.04mm 97% 0cm -7.3° 25°C 0.58mm 0.08kPa 23831m 7.4m/s 2.5m/s
21:00 ☾
4% 24°C 0.05mm 98% 0cm -18° 24°C 0.69mm 0.07kPa 24135m 7.1m/s 2.4m/s
22:00 ☾
4% 24°C 0.03mm 98% 0cm -26° 24°C 0.54mm 0.07kPa 21011m 7.4m/s 2.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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