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Rule Fog Hunter

Sakurajima - Fog Hunter - Kyushu

Kagoshima, Kagoshima, Japan

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 75.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Dewpoint Spread1.9°C
Visibility24135 (Clear)
Relative Humidity90%
Wind Speed2.9m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

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
24:000%
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%
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%
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13:000%
14:000%
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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%
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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%
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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 05:19 Sunset 19:25
23:00
89% 22°C 0mm 90% 0cm -32° 24°C 0mm 0.31kPa 24135m 7.4m/s 2.9m/s
Thu, Jul 9 Sunrise 05:19 Sunset 19:25
24:00
100% 22°C 0mm 89% 0cm -36° 24°C 0mm 0.31kPa 24135m 7.6m/s 3.1m/s
01:00
100% 22°C 0mm 89% 0cm -35° 24°C 0mm 0.33kPa 24135m 7.3m/s 3.2m/s
02:00
99% 21°C 0mm 87% 0cm -31° 24°C 0mm 0.38kPa 24135m 7.6m/s 3.5m/s
03:00
99% 21°C 0mm 87% 0cm -24° 23°C 0mm 0.38kPa 24134m 7.7m/s 3.4m/s
04:00
92% 21°C 0mm 86% 0cm -15° 23°C 0mm 0.4kPa 24134m 7.6m/s 3.1m/s
05:00
84% 21°C 0mm 85% 0cm -4.5° 24°C 0mm 0.44kPa 24134m 7.5m/s 3.2m/s
06:00
77% 21°C 0mm 85% 0cm 24°C 0mm 0.44kPa 24135m 7.9m/s 3.4m/s
07:00
80% 21°C 0mm 82% 0cm 19° 25°C 0mm 0.55kPa 24134m 7.8m/s 3.4m/s
08:00
84% 21°C 0mm 78% 0cm 32° 25°C 0mm 0.7kPa 24134m 7.8m/s 4.1m/s
09:00
87% 21°C 0mm 74% 0cm 44° 26°C 0mm 0.9kPa 24135m 7.8m/s 4.2m/s
10:00
88% 21°C 0mm 68% 0cm 57° 27°C 0mm 1.2kPa 24135m 6.6m/s 3.9m/s
11:00
89% 21°C 0mm 65% 0cm 69° 28°C 0mm 1.4kPa 24135m 5.5m/s 3m/s
12:00
90% 21°C 0mm 63% 0cm 79° 29°C 0mm 1.5kPa 24134m 5.7m/s 3.2m/s
13:00
85% 22°C 0mm 62% 0cm 78° 30°C 0mm 1.6kPa 24134m 5.9m/s 4m/s
14:00
80% 22°C 0mm 63% 0cm 67° 29°C 0mm 1.5kPa 24134m 6.6m/s 4.9m/s
15:00
75% 22°C 0mm 64% 0cm 54° 29°C 0mm 1.4kPa 24135m 6.3m/s 4.4m/s
16:00
79% 22°C 0mm 66% 0cm 41° 29°C 0mm 1.4kPa 24135m 5.8m/s 3.8m/s
17:00
82% 22°C 0mm 68% 0cm 29° 29°C 0mm 1.3kPa 24134m 5.8m/s 3.7m/s
18:00
86% 23°C 0mm 73% 0cm 16° 28°C 0mm 1kPa 24135m 6.2m/s 3.7m/s
19:00
88% 23°C 0mm 79% 0cm 4.3° 27°C 0mm 0.72kPa 24134m 7m/s 3.7m/s
20:00
91% 23°C 0mm 84% 0cm -7.1° 26°C 0mm 0.52kPa 24135m 7m/s 3.5m/s
21:00
93% 23°C 0mm 87% 0cm -17° 25°C 0mm 0.4kPa 24135m 7m/s 3.4m/s
22:00
93% 23°C 0mm 89% 0cm -26° 24°C 0mm 0.33kPa 24134m 6.4m/s 3.1m/s
23:00
92% 23°C 0mm 91% 0cm -33° 24°C 0mm 0.28kPa 24135m 6.5m/s 3.1m/s
Fri, Jul 10 Sunrise 05:20 Sunset 19:25
24:00
92% 23°C 0mm 92% 0cm -36° 24°C 0mm 0.24kPa 24135m 7.4m/s 3.4m/s
01:00
89% 23°C 0mm 93% 0cm -35° 24°C 0mm 0.21kPa 24134m 7.6m/s 3.2m/s
02:00
87% 23°C 0mm 93% 0cm -31° 24°C 0mm 0.2kPa 24135m 7m/s 3.1m/s
03:00
84% 23°C 0mm 93% 0cm -24° 24°C 0mm 0.21kPa 24135m 7m/s 3.2m/s
04:00
75% 23°C 0mm 93% 0cm -15° 24°C 0mm 0.2kPa 24134m 6.7m/s 3.2m/s
05:00
67% 23°C 0mm 93% 0cm -4.6° 24°C 0mm 0.2kPa 24135m 7m/s 3.4m/s
06:00
58% 23°C 0mm 92% 0cm 24°C 0mm 0.23kPa 24135m 7.6m/s 3.5m/s
07:00
59% 23°C 0mm 89% 0cm 19° 25°C 0mm 0.36kPa 24135m 8.2m/s 4.3m/s
08:00
59% 23°C 0mm 85% 0cm 31° 26°C 0mm 0.52kPa 24135m 9.1m/s 5.1m/s
09:00
60% 23°C 0mm 80% 0cm 44° 27°C 0mm 0.7kPa 24135m 8.9m/s 4.7m/s
10:00
60% 23°C 0mm 75% 0cm 57° 28°C 0mm 0.95kPa 24135m 8.7m/s 4.4m/s
11:00
61% 23°C 0mm 69% 0cm 69° 29°C 0mm 1.2kPa 24135m 8.7m/s 4.5m/s
12:00
61% 23°C 0mm 66% 0cm 79° 30°C 0mm 1.4kPa 24134m 9.6m/s 5.3m/s
13:00
57% 23°C 0mm 66% 0cm 78° 30°C 0mm 1.4kPa 24135m 10m/s 5.6m/s
14:00
52% 23°C 0mm 67% 0cm 67° 29°C 0mm 1.4kPa 24134m 9.6m/s 5.4m/s
15:00
48% 23°C 0mm 70% 0cm 54° 29°C 0mm 1.2kPa 24135m 9.8m/s 5.5m/s
16:00
38% 23°C 0mm 75% 0cm 41° 28°C 0mm 0.96kPa 24134m 9.6m/s 4.9m/s
17:00
29% 23°C 0mm 78% 0cm 29° 28°C 0mm 0.82kPa 24134m 8.9m/s 4.2m/s
18:00
19% 24°C 0mm 82% 0cm 16° 27°C 0mm 0.66kPa 24135m 9.1m/s 4.3m/s
19:00
16% 24°C 0mm 85% 0cm 4.3° 26°C 0mm 0.52kPa 24134m 9m/s 4.2m/s
20:00
12% 24°C 0mm 87% 0cm -7.2° 26°C 0mm 0.42kPa 24134m 9m/s 4.2m/s
21:00
9% 24°C 0mm 89% 0cm -17° 26°C 0mm 0.37kPa 24134m 9.3m/s 4.4m/s
22:00
6% 24°C 0mm 90% 0cm -26° 25°C 0mm 0.34kPa 24135m 9.2m/s 4.2m/s
23:00
3% 23°C 0mm 90% 0cm -33° 25°C 0mm 0.33kPa 24134m 9.3m/s 4.4m/s
Sat, Jul 11 Sunrise 05:20 Sunset 19:25
24:00
0% 23°C 0mm 90% 0cm -36° 25°C 0mm 0.31kPa 24134m 9.9m/s 4.6m/s
01:00
0% 23°C 0mm 90% 0cm -36° 25°C 0mm 0.32kPa 24135m 10m/s 4.4m/s
02:00
0% 23°C 0mm 90% 0cm -31° 25°C 0mm 0.31kPa 24135m 9.7m/s 4.2m/s
03:00
0% 23°C 0mm 91% 0cm -24° 25°C 0mm 0.3kPa 24135m 10m/s 4.4m/s
04:00
0% 23°C 0mm 85% 0cm -15° 26°C 0mm 0.5kPa 24135m 10m/s 4.8m/s
05:00
0% 24°C 0mm 80% 0cm -4.7° 27°C 0mm 0.74kPa 24135m 11m/s 5.2m/s
06:00
0% 24°C 0mm 74% 0cm 6.9° 29°C 0mm 1kPa 24135m 11m/s 5.6m/s
07:00
0% 23°C 0mm 74% 0cm 19° 29°C 0mm 1kPa 24135m 11m/s 5.6m/s
08:00
0% 23°C 0mm 73% 0cm 31° 29°C 0mm 1.1kPa 24135m 11m/s 5.5m/s
09:00
0% 23°C 0mm 73% 0cm 44° 29°C 0mm 1.1kPa 24135m 10m/s 5.5m/s
10:00
1% 24°C 0mm 75% 0cm 57° 28°C 0mm 0.95kPa 24135m 9.8m/s 5.1m/s
11:00
1% 24°C 0mm 78% 0cm 69° 28°C 0mm 0.83kPa 24135m 9.2m/s 4.7m/s
12:00
2% 24°C 0mm 80% 0cm 79° 27°C 0mm 0.72kPa 24135m 8.6m/s 4.3m/s
13:00
2% 24°C 0mm 84% 0cm 78° 27°C 0mm 0.58kPa 24135m 8.4m/s 4m/s
14:00
3% 24°C 0mm 87% 0cm 67° 26°C 0mm 0.45kPa 24135m 8.2m/s 3.6m/s
15:00
3% 24°C 0mm 90% 0cm 54° 26°C 0mm 0.33kPa 24135m 8m/s 3.3m/s
16:00
5% 24°C 0mm 90% 0cm 41° 26°C 0mm 0.31kPa 24135m 7.9m/s 3.2m/s
17:00
7% 24°C 0mm 91% 0cm 29° 26°C 0mm 0.3kPa 24135m 7.8m/s 3.2m/s
18:00
9% 24°C 0mm 91% 0cm 16° 25°C 0mm 0.28kPa 24135m 7.6m/s 3.1m/s
19:00
9% 24°C 0mm 92% 0cm 4.3° 25°C 0mm 0.25kPa 24135m 7.3m/s 3m/s
20:00
8% 24°C 0mm 93% 0cm -7.2° 25°C 0mm 0.23kPa 24135m 7m/s 2.9m/s
21:00
8% 24°C 0mm 94% 0cm -18° 25°C 0mm 0.2kPa 24135m 6.7m/s 2.8m/s
22:00
7% 24°C 0mm 93% 0cm -26° 25°C 0mm 0.22kPa 24135m 7m/s 2.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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