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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 · ≥ 60.0%

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 Spread9.1°C
Visibility24135 (Clear)
Relative Humidity56%
Wind Speed6.0m/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 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 60.0%
Sat, Apr 4
22:000%
23:000%
Sun, Apr 5
24:000%
01:000%
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03:000%
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Mon, Apr 6
24:000%
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Tue, Apr 7
24:000%
01:000%
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Wed, Apr 8
24:000%
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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, Apr 5 Sunrise 06:01 Sunset 18:38
22:00 ☾
69% 10°C 0mm 56% 0cm -40° 19°C 0mm 0.99kPa 24135m 6.1m/s 6m/s
23:00 ☾
57% 9.8°C 0mm 54% 0cm -49° 19°C 0mm 1kPa 24135m 4.5m/s 4.5m/s
Mon, Apr 6 Sunrise 06:01 Sunset 18:38
24:00 ☾
44% 9.4°C 0mm 53% 0cm -53° 19°C 0mm 1kPa 24134m 3.2m/s 3.4m/s
01:00 ☾
33% 9.1°C 0mm 52% 0cm -52° 19°C 0mm 1.1kPa 24135m 2.4m/s 2.4m/s
02:00 ☾
21% 9.1°C 0mm 52% 0cm -46° 19°C 0mm 1.1kPa 24134m 2m/s 1.9m/s
03:00 ☾
10% 9°C 0mm 51% 0cm -37° 19°C 0mm 1.1kPa 24135m 0.92m/s 1m/s
04:00 ☾
7% 9°C 0mm 52% 0cm -26° 19°C 0mm 1.1kPa 24135m 0.9m/s 1.2m/s
05:00 ☾
3% 9.2°C 0mm 52% 0cm -14° 19°C 0mm 1.1kPa 24134m 1m/s 1.2m/s
06:00 ☾
0% 9.6°C 0mm 54% 0cm -0.77° 19°C 0mm 1kPa 24134m 1.9m/s 2m/s
07:00 ☾
0% 9.8°C 0mm 54% 0cm 12° 19°C 0mm 1kPa 24135m 1.3m/s 1.1m/s
08:00 ☾
0% 11°C 0mm 60% 0cm 25° 19°C 0mm 0.91kPa 24135m 3.7m/s 3.2m/s
09:00 ☾
0% 12°C 0mm 61% 0cm 37° 20°C 0mm 0.92kPa 24134m 5.7m/s 4.7m/s
10:00 ☾
5% 12°C 0mm 57% 0cm 49° 21°C 0mm 1.1kPa 24135m 6.7m/s 6.2m/s
11:00 ☾
9% 13°C 0mm 58% 0cm 60° 21°C 0mm 1.1kPa 24134m 7.4m/s 7.1m/s
12:00 ☾
14% 13°C 0mm 59% 0cm 66° 21°C 0mm 1kPa 24134m 5.8m/s 5.8m/s
13:00 ☾
10% 14°C 0mm 63% 0cm 64° 21°C 0mm 0.95kPa 24134m 5.8m/s 5.6m/s
14:00 ☾
6% 16°C 0mm 72% 0cm 56° 21°C 0mm 0.73kPa 24134m 6.5m/s 6m/s
15:00 ☾
2% 17°C 0mm 77% 0cm 46° 22°C 0mm 0.6kPa 24135m 6.3m/s 5.9m/s
16:00 ☾
1% 18°C 0mm 80% 0cm 33° 22°C 0mm 0.51kPa 24135m 6.8m/s 6.2m/s
17:00 ☾
1% 19°C 0mm 82% 0cm 21° 22°C 0mm 0.47kPa 24134m 6.4m/s 5.9m/s
18:00 ☾
0% 19°C 0mm 84% 0cm 7.7° 22°C 0.06mm 0.43kPa 24134m 4.8m/s 4.2m/s
19:00 ☾
0% 19°C 0mm 84% 0cm -5.2° 22°C 0.06mm 0.41kPa 24135m 2.7m/s 2.4m/s
20:00 ☾
0% 19°C 0mm 85% 0cm -18° 21°C 0.19mm 0.38kPa 24134m 2.6m/s 2m/s
21:00 ☾
0% 19°C 0mm 86% 0cm -30° 21°C 0.31mm 0.36kPa 24135m 2.5m/s 2.3m/s
22:00 ☾
0% 18°C 0.31mm 84% 0cm -40° 21°C 0.56mm 0.41kPa 11970m 3.2m/s 2.1m/s
23:00 ☾
0% 18°C 1mm 81% 0cm -48° 21°C 1.1mm 0.48kPa 10115m 5.7m/s 5.2m/s
Tue, Apr 7 Sunrise 06:00 Sunset 18:38
24:00 ☾
0% 17°C 1.7mm 80% 0cm -53° 20°C 2.3mm 0.48kPa 6845m 4.4m/s 3.3m/s
01:00 ☾
0% 17°C 4.7mm 88% 0cm -52° 19°C 5.9mm 0.27kPa 3503m 3m/s 1.1m/s
02:00 ☾
0% 18°C 3.4mm 92% 0cm -46° 19°C 9.7mm 0.17kPa 4405m 7.5m/s 5.4m/s
03:00 ☾
0% 18°C 4.3mm 92% 0cm -37° 20°C 14mm 0.2kPa 3538m 11m/s 10m/s
04:00 ☾
0% 19°C 3.9mm 92% 0cm -26° 20°C 4.8mm 0.2kPa 5213m 7.5m/s 7.5m/s
05:00 ☾
0% 19°C 8.6mm 96% 0cm -13° 20°C 11mm 0.1kPa 2352m 5.3m/s 4.8m/s
06:00 ☾
0% 17°C 8.3mm 95% 0cm -0.43° 17°C 24mm 0.1kPa 2044m 15m/s 16m/s
07:00 ☾
0% 16°C 3.8mm 91% 0cm 12° 17°C 29mm 0.18kPa 4188m 11m/s 9.1m/s
08:00 ☾
0% 16°C 1.7mm 91% 0cm 25° 17°C 32mm 0.18kPa 5566m 11m/s 9.2m/s
09:00 ☾
0% 15°C 2.3mm 89% 0cm 38° 17°C 35mm 0.21kPa 4502m 7.8m/s 6.8m/s
10:00 ☾
0% 14°C 0.08mm 81% 0cm 50° 18°C 0.75mm 0.38kPa 24134m 6.6m/s 4.1m/s
11:00 ☾
0% 14°C 0.01mm 76% 0cm 60° 18°C 0.81mm 0.49kPa 24135m 7.8m/s 6.4m/s
12:00 ☾
0% 14°C 0mm 76% 0cm 66° 18°C 0.81mm 0.51kPa 24134m 6.4m/s 5.8m/s
13:00 ☾
0% 14°C 0mm 74% 0cm 65° 18°C 0.81mm 0.53kPa 24134m 4.6m/s 4.2m/s
14:00 ☾
1% 13°C 0mm 72% 0cm 57° 18°C 0.81mm 0.59kPa 24135m 5.6m/s 5.1m/s
15:00 ☾
1% 14°C 0mm 72% 0cm 46° 19°C 0.81mm 0.59kPa 24134m 7.3m/s 6.4m/s
16:00 ☾
21% 14°C 0mm 73% 0cm 33° 19°C 0mm 0.59kPa 24135m 9.5m/s 9.4m/s
17:00 ☾
41% 12°C 0mm 65% 0cm 21° 19°C 0mm 0.76kPa 24134m 12m/s 12m/s
18:00 ☾
61% 11°C 0mm 61% 0cm 7.8° 19°C 0mm 0.85kPa 24135m 12m/s 11m/s
19:00 ☾
66% 9.9°C 0mm 56% 0cm -5.1° 19°C 0mm 0.97kPa 24134m 11m/s 11m/s
20:00 ☾
72% 8.5°C 0mm 52% 0cm -18° 19°C 0mm 1.1kPa 24134m 11m/s 11m/s
21:00 ☾
77% 7.8°C 0mm 50% 0cm -29° 18°C 0mm 1kPa 24135m 11m/s 10m/s
22:00 ☾
79% 7.1°C 0mm 50% 0cm -40° 18°C 0mm 1kPa 24135m 9.8m/s 9.8m/s
23:00 ☾
82% 6.7°C 0mm 50% 0cm -48° 17°C 0mm 0.98kPa 24135m 9.3m/s 9.1m/s
Wed, Apr 8 Sunrise 05:58 Sunset 18:39
24:00 ☾
84% 6°C 0mm 49% 0cm -52° 17°C 0mm 0.97kPa 24134m 8.1m/s 8m/s
01:00 ☾
82% 5.8°C 0mm 50% 0cm -51° 16°C 0mm 0.93kPa 24134m 7.2m/s 7.3m/s
02:00 ☾
79% 5.4°C 0mm 48% 0cm -45° 16°C 0mm 0.95kPa 24135m 5.6m/s 6m/s
03:00 ☾
77% 4.9°C 0mm 47% 0cm -36° 16°C 0mm 0.98kPa 24135m 4.4m/s 4.8m/s
04:00 ☾
77% 6°C 0mm 50% 0cm -25° 16°C 0mm 0.94kPa 24135m 5m/s 5.5m/s
05:00 ☾
76% 7°C 0mm 53% 0cm -13° 17°C 0mm 0.89kPa 24135m 5.6m/s 6.2m/s
06:00 ☾
76% 8°C 0mm 56% 0cm 0° 17°C 0mm 0.85kPa 24135m 6.1m/s 6.8m/s
07:00 ☾
76% 8.1°C 0mm 56% 0cm 12° 17°C 0mm 0.86kPa 24135m 6.2m/s 7m/s
08:00 ☾
75% 8.2°C 0mm 55% 0cm 25° 17°C 0mm 0.87kPa 24135m 6.2m/s 7.1m/s
09:00 ☾
75% 8.2°C 0mm 55% 0cm 38° 17°C 0mm 0.88kPa 24135m 6.2m/s 7.3m/s
10:00 ☾
71% 8.1°C 0mm 55% 0cm 50° 17°C 0mm 0.88kPa 24135m 6.1m/s 6.9m/s
11:00 ☾
66% 8°C 0mm 55% 0cm 60° 17°C 0mm 0.88kPa 24135m 5.9m/s 6.6m/s
12:00 ☾
62% 7.8°C 0mm 55% 0cm 66° 17°C 0mm 0.87kPa 24135m 5.7m/s 6.3m/s
13:00 ☾
62% 7.9°C 0mm 55% 0cm 65° 17°C 0mm 0.85kPa 24135m 5.3m/s 5.7m/s
14:00 ☾
63% 8°C 0mm 56% 0cm 57° 17°C 0mm 0.84kPa 24135m 4.8m/s 5.2m/s
15:00 ☾
63% 8°C 0mm 57% 0cm 46° 17°C 0mm 0.82kPa 24135m 4.3m/s 4.6m/s
16:00 ☾
65% 8.4°C 0mm 58% 0cm 34° 17°C 0mm 0.81kPa 24135m 3.9m/s 4m/s
17:00 ☾
67% 8.8°C 0mm 59% 0cm 21° 17°C 0mm 0.8kPa 24135m 3.5m/s 3.4m/s
18:00 ☾
69% 9.1°C 0mm 60% 0cm 7.9° 17°C 0mm 0.78kPa 24135m 3m/s 2.8m/s
19:00 ☾
70% 9.5°C 0mm 61% 0cm -4.9° 17°C 0mm 0.77kPa 24135m 3.4m/s 3.1m/s
20:00 ☾
71% 9.8°C 0mm 61% 0cm -17° 17°C 0mm 0.76kPa 24135m 3.7m/s 3.5m/s
21:00 ☾
72% 10°C 0mm 62% 0cm -29° 17°C 0mm 0.75kPa 24135m 4m/s 3.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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