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Rule Fog Hunter

Yakushima - Fog Hunter - Kyushu

Koseda, 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
Fog Probability
0%
Dewpoint Spread3.7°C
Visibility19296 (Clear)
Relative Humidity80%
Wind Speed5.7m/s (moderate winds)

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 79 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 75.0%
Wed, Jul 8
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%
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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%
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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 05:22 Sunset 19:22
23:00 ☾
27% 23°C 0.04mm 80% 0cm -34° 26°C 0.06mm 0.67kPa 19296m 7.6m/s 5.7m/s
Thu, Jul 9 Sunrise 05:22 Sunset 19:22
24:00 ☾
14% 23°C 0.05mm 82% 0cm -37° 26°C 0.13mm 0.59kPa 23247m 7.9m/s 5.5m/s
01:00 ☾
11% 23°C 0.01mm 83% 0cm -36° 26°C 0.19mm 0.58kPa 18647m 8.3m/s 6.1m/s
02:00 ☾
7% 23°C 0.01mm 83% 0cm -32° 26°C 0.25mm 0.56kPa 23439m 8.6m/s 6.5m/s
03:00 ☾
4% 23°C 0mm 83% 0cm -25° 26°C 0.31mm 0.58kPa 18616m 8.7m/s 6.5m/s
04:00 ☾
13% 23°C 0mm 84% 0cm -16° 26°C 0.06mm 0.57kPa 18358m 8.6m/s 6.7m/s
05:00 ☾
22% 24°C 0mm 85% 0cm -5° 26°C 0.19mm 0.52kPa 18316m 8.6m/s 6m/s
06:00 ☾
31% 24°C 0mm 85% 0cm 6.7° 26°C 0.25mm 0.52kPa 18285m 8.8m/s 6.1m/s
07:00 ☾
37% 24°C 0mm 84% 0cm 19° 27°C 0.31mm 0.55kPa 18240m 8.7m/s 6.2m/s
08:00 ☾
43% 24°C 0mm 84% 0cm 31° 27°C 0.38mm 0.58kPa 18896m 8.8m/s 6.5m/s
09:00
49% 25°C 0mm 84% 0cm 44° 27°C 0.44mm 0.57kPa 23219m 9m/s 6.7m/s
10:00
54% 25°C 0mm 83% 0cm 57° 28°C 0.06mm 0.64kPa 24135m 9.1m/s 7.1m/s
11:00
58% 24°C 0mm 81% 0cm 70° 28°C 0.13mm 0.73kPa 21261m 9.2m/s 7.1m/s
12:00
63% 24°C 0mm 80% 0cm 81° 28°C 0.19mm 0.75kPa 20354m 9.1m/s 7.2m/s
13:00
65% 24°C 0mm 80% 0cm 78° 28°C 0.31mm 0.77kPa 18795m 9m/s 7.3m/s
14:00
66% 24°C 0mm 80% 0cm 67° 28°C 0.38mm 0.77kPa 24134m 8.5m/s 6.9m/s
15:00
68% 25°C 0mm 81% 0cm 54° 28°C 0.44mm 0.73kPa 23257m 8.6m/s 6.9m/s
16:00
67% 25°C 0mm 82% 0cm 41° 28°C 0.06mm 0.69kPa 23625m 8.2m/s 6.4m/s
17:00
65% 25°C 0mm 83% 0cm 28° 28°C 0.06mm 0.64kPa 24134m 8.1m/s 6.3m/s
18:00
64% 25°C 0mm 85% 0cm 16° 28°C 0.13mm 0.55kPa 18646m 8.2m/s 6.3m/s
19:00
66% 25°C 0mm 86% 0cm 3.8° 27°C 0.25mm 0.5kPa 23023m 8.5m/s 6.4m/s
20:00 ☾
67% 25°C 0mm 89% 0cm -7.8° 27°C 0.25mm 0.41kPa 23305m 8.7m/s 6.3m/s
21:00 ☾
69% 25°C 0mm 89% 0cm -18° 27°C 0.31mm 0.38kPa 18567m 9.1m/s 6.6m/s
22:00 ☾
71% 25°C 0mm 89% 0cm -27° 27°C 0mm 0.39kPa 23383m 9.4m/s 6.7m/s
23:00 ☾
74% 25°C 0mm 89% 0cm -34° 27°C 0.25mm 0.39kPa 21166m 9.6m/s 6.9m/s
Fri, Jul 10 Sunrise 05:22 Sunset 19:22
24:00 ☾
76% 25°C 0mm 89% 0cm -37° 27°C 0.38mm 0.4kPa 23217m 9.7m/s 7.2m/s
01:00 ☾
76% 25°C 0mm 89% 0cm -37° 27°C 0.38mm 0.4kPa 20067m 9.8m/s 7.5m/s
02:00 ☾
75% 25°C 0mm 88% 0cm -32° 27°C 0.38mm 0.44kPa 23303m 10m/s 7.9m/s
03:00 ☾
75% 25°C 0mm 86% 0cm -25° 27°C 0.5mm 0.52kPa 22115m 10m/s 7.8m/s
04:00 ☾
76% 25°C 0mm 87% 0cm -16° 27°C 0.06mm 0.47kPa 23220m 10m/s 7.5m/s
05:00 ☾
77% 25°C 0mm 88% 0cm -5.1° 27°C 0.13mm 0.43kPa 23236m 11m/s 7.7m/s
06:00 ☾
78% 25°C 0mm 88% 0cm 6.6° 27°C 0.19mm 0.43kPa 23474m 10m/s 7.4m/s
07:00 ☾
74% 25°C 0mm 88% 0cm 19° 27°C 0.25mm 0.45kPa 23427m 11m/s 7.6m/s
08:00 ☾
71% 25°C 0mm 86% 0cm 31° 28°C 0.25mm 0.51kPa 23263m 11m/s 7.5m/s
09:00
67% 25°C 0mm 85% 0cm 44° 28°C 0.38mm 0.56kPa 21611m 11m/s 7.7m/s
10:00
57% 25°C 0mm 86% 0cm 57° 28°C 0.31mm 0.51kPa 18601m 11m/s 7.9m/s
11:00
48% 25°C 0mm 86% 0cm 70° 28°C 0.56mm 0.5kPa 17734m 12m/s 8m/s
12:00
38% 25°C 0mm 86% 0cm 80° 28°C 0.88mm 0.51kPa 19711m 12m/s 8.3m/s
13:00
33% 25°C 0mm 86% 0cm 78° 28°C 1.1mm 0.5kPa 23459m 12m/s 8.8m/s
14:00
28% 25°C 0mm 86% 0cm 67° 28°C 1.4mm 0.51kPa 22473m 13m/s 9.1m/s
15:00
23% 25°C 0mm 86% 0cm 54° 28°C 1.6mm 0.51kPa 20844m 13m/s 9.3m/s
16:00
16% 25°C 0mm 87% 0cm 41° 28°C 0.25mm 0.48kPa 21142m 13m/s 9.2m/s
17:00
8% 25°C 0mm 87% 0cm 28° 28°C 0.38mm 0.47kPa 20462m 12m/s 8.9m/s
18:00
1% 25°C 0mm 88% 0cm 16° 28°C 0.5mm 0.45kPa 19003m 12m/s 8.6m/s
19:00
1% 25°C 0mm 88% 0cm 3.8° 28°C 0.63mm 0.44kPa 19995m 12m/s 8.6m/s
20:00 ☾
0% 26°C 0mm 88% 0cm -7.9° 28°C 0.81mm 0.42kPa 20826m 12m/s 8.6m/s
21:00 ☾
0% 26°C 0mm 89% 0cm -18° 28°C 1.1mm 0.42kPa 21096m 12m/s 8.9m/s
22:00 ☾
0% 26°C 0mm 89% 0cm -27° 28°C 0.19mm 0.41kPa 20289m 12m/s 9m/s
23:00 ☾
0% 26°C 0mm 89% 0cm -34° 28°C 0.25mm 0.41kPa 20744m 13m/s 9.3m/s
Sat, Jul 11 Sunrise 05:23 Sunset 19:22
24:00 ☾
0% 26°C 0mm 88% 0cm -37° 28°C 0.5mm 0.42kPa 20380m 13m/s 9.1m/s
01:00 ☾
0% 25°C 0mm 88% 0cm -37° 28°C 0.75mm 0.45kPa 19815m 13m/s 9.3m/s
02:00 ☾
0% 25°C 0mm 88% 0cm -32° 27°C 1mm 0.43kPa 21872m 13m/s 9.3m/s
03:00 ☾
0% 26°C 0.01mm 89% 0cm -25° 27°C 1.2mm 0.41kPa 21870m 13m/s 9.5m/s
04:00 ☾
0% 25°C 0.01mm 86% 0cm -16° 28°C 0.96mm 0.51kPa 21945m 13m/s 9.8m/s
05:00 ☾
1% 25°C 0.02mm 84% 0cm -5.2° 28°C 0.73mm 0.61kPa 22020m 13m/s 10m/s
06:00 ☾
1% 24°C 0.02mm 81% 0cm 6.5° 28°C 0.5mm 0.72kPa 22095m 13m/s 10m/s
07:00 ☾
1% 24°C 0.04mm 81% 0cm 19° 28°C 0.63mm 0.7kPa 22074m 12m/s 10m/s
08:00 ☾
2% 24°C 0.05mm 82% 0cm 31° 28°C 0.75mm 0.69kPa 22054m 11m/s 9.7m/s
09:00
2% 25°C 0.07mm 82% 0cm 44° 28°C 0.88mm 0.68kPa 22034m 11m/s 9.3m/s
10:00
2% 25°C 0.05mm 82% 0cm 57° 28°C 0.73mm 0.69kPa 22734m 10m/s 8.8m/s
11:00
2% 25°C 0.02mm 82% 0cm 70° 28°C 0.58mm 0.69kPa 23434m 9.3m/s 8.3m/s
12:00
2% 25°C 0mm 81% 0cm 80° 28°C 0.44mm 0.7kPa 24135m 8.5m/s 7.9m/s
13:00
2% 24°C 0.04mm 82% 0cm 78° 28°C 0.75mm 0.68kPa 23461m 8.2m/s 7.5m/s
14:00
1% 24°C 0.07mm 82% 0cm 67° 28°C 1.1mm 0.67kPa 22788m 7.9m/s 7.2m/s
15:00
1% 24°C 0.11mm 82% 0cm 54° 28°C 1.4mm 0.65kPa 22114m 7.5m/s 6.9m/s
16:00
2% 24°C 0.07mm 82% 0cm 41° 28°C 1mm 0.65kPa 22122m 7.6m/s 6.9m/s
17:00
2% 24°C 0.04mm 83% 0cm 28° 28°C 0.71mm 0.64kPa 22130m 7.7m/s 6.9m/s
18:00
3% 24°C 0mm 83% 0cm 16° 28°C 0.38mm 0.64kPa 22138m 7.8m/s 6.8m/s
19:00
3% 24°C 0.02mm 83% 0cm 3.7° 28°C 0.44mm 0.64kPa 22804m 7.8m/s 6.8m/s
20:00 ☾
4% 24°C 0.03mm 82% 0cm -7.9° 28°C 0.5mm 0.65kPa 23469m 7.8m/s 6.8m/s
21:00 ☾
4% 24°C 0.05mm 82% 0cm -18° 28°C 0.56mm 0.65kPa 24135m 7.8m/s 6.8m/s
22:00 ☾
5% 24°C 0.03mm 83% 0cm -27° 28°C 0.48mm 0.64kPa 23805m 8m/s 7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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