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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 Spread4.4°C
Visibility24135 (Clear)
Relative Humidity76%
Wind Speed8.0m/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%
Sun, Apr 19
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Apr 20
24:000%
01:000%
02:000%
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Tue, Apr 21
24:000%
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Wed, Apr 22
24:000%
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Thu, Apr 23
24:000%
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14:000%
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
Mon, Apr 20 Sunrise 05:45 Sunset 18:47
17:00
63% 17°C 0mm 76% 0cm 22° 21°C 0mm 0.6kPa 24135m 7.8m/s 8m/s
18:00
53% 17°C 0mm 78% 0cm 9.4° 21°C 0mm 0.55kPa 24134m 7.7m/s 7.8m/s
19:00 ☾
49% 16°C 0mm 77% 0cm -3.2° 21°C 0mm 0.55kPa 24134m 7.6m/s 7.6m/s
20:00 ☾
46% 16°C 0mm 77% 0cm -15° 20°C 0mm 0.54kPa 24135m 8m/s 7.6m/s
21:00 ☾
42% 16°C 0mm 79% 0cm -27° 20°C 0mm 0.49kPa 24134m 8.4m/s 7.7m/s
22:00 ☾
35% 16°C 0mm 79% 0cm -37° 20°C 0mm 0.5kPa 24135m 8.1m/s 7.2m/s
23:00 ☾
28% 16°C 0mm 80% 0cm -44° 20°C 0mm 0.47kPa 24135m 9m/s 7.9m/s
Tue, Apr 21 Sunrise 05:45 Sunset 18:47
24:00 ☾
21% 16°C 0mm 79% 0cm -48° 20°C 0mm 0.48kPa 24134m 9.6m/s 8m/s
01:00 ☾
17% 17°C 0mm 81% 0cm -47° 20°C 0mm 0.44kPa 24134m 9.3m/s 7.9m/s
02:00 ☾
12% 17°C 0mm 82% 0cm -41° 20°C 0.06mm 0.43kPa 24135m 9m/s 8.4m/s
03:00 ☾
8% 17°C 0mm 83% 0cm -32° 20°C 0.13mm 0.38kPa 21147m 9.9m/s 9.3m/s
04:00 ☾
6% 17°C 0mm 86% 0cm -22° 19°C 0.06mm 0.3kPa 19246m 11m/s 11m/s
05:00 ☾
3% 16°C 0mm 84% 0cm -9.9° 19°C 0.13mm 0.36kPa 18154m 11m/s 11m/s
06:00 ☾
1% 16°C 0mm 81% 0cm 2.7° 19°C 0.13mm 0.4kPa 18501m 11m/s 10m/s
07:00 ☾
1% 15°C 0mm 81% 0cm 15° 19°C 0.13mm 0.41kPa 18956m 9.9m/s 9.4m/s
08:00 ☾
2% 15°C 0mm 80% 0cm 28° 19°C 0.13mm 0.43kPa 24135m 10m/s 9.8m/s
09:00
2% 15°C 0mm 79% 0cm 41° 19°C 0.13mm 0.46kPa 24134m 10m/s 9.7m/s
10:00
4% 15°C 0mm 78% 0cm 53° 19°C 0mm 0.48kPa 24135m 9.4m/s 9.4m/s
11:00
5% 15°C 0mm 77% 0cm 64° 19°C 0mm 0.5kPa 24134m 7.7m/s 7.8m/s
12:00
7% 14°C 0mm 77% 0cm 71° 18°C 0mm 0.49kPa 24134m 4.6m/s 5.2m/s
13:00
5% 15°C 0.05mm 79% 0cm 69° 18°C 0mm 0.45kPa 23219m 4m/s 4.1m/s
14:00
4% 15°C 0.01mm 78% 0cm 60° 19°C 0.06mm 0.48kPa 23244m 6.7m/s 6.1m/s
15:00
2% 13°C 0mm 67% 0cm 48° 20°C 0.13mm 0.75kPa 18134m 6.9m/s 5.6m/s
16:00
2% 12°C 0mm 58% 0cm 35° 20°C 0mm 0.98kPa 19294m 6.6m/s 5.2m/s
17:00
1% 9.2°C 0mm 49% 0cm 22° 20°C 0mm 1.2kPa 24134m 7m/s 5.6m/s
18:00
1% 8.6°C 0mm 47% 0cm 9.5° 20°C 0mm 1.3kPa 24135m 7.5m/s 6m/s
19:00 ☾
1% 8.8°C 0mm 49% 0cm -3.1° 20°C 0mm 1.2kPa 24134m 7.4m/s 5.3m/s
20:00 ☾
0% 10°C 0mm 54% 0cm -15° 20°C 0mm 1kPa 24134m 6.5m/s 4.1m/s
21:00 ☾
0% 12°C 0mm 63% 0cm -27° 19°C 0mm 0.84kPa 24134m 5.6m/s 3.3m/s
22:00 ☾
0% 13°C 0mm 68% 0cm -36° 19°C 0mm 0.72kPa 24134m 4.5m/s 2.8m/s
23:00 ☾
1% 14°C 0mm 72% 0cm -44° 19°C 0mm 0.63kPa 24134m 3.6m/s 2.3m/s
Wed, Apr 22 Sunrise 05:44 Sunset 18:48
24:00 ☾
1% 15°C 0mm 74% 0cm -47° 20°C 0mm 0.58kPa 24134m 4m/s 2.6m/s
01:00 ☾
1% 16°C 0mm 76% 0cm -46° 20°C 0mm 0.55kPa 18496m 4.8m/s 3.2m/s
02:00 ☾
0% 16°C 0mm 76% 0cm -41° 20°C 0.06mm 0.55kPa 18796m 4.6m/s 3.4m/s
03:00 ☾
0% 16°C 0mm 77% 0cm -32° 20°C 0.06mm 0.54kPa 21851m 5.3m/s 4.4m/s
04:00 ☾
0% 16°C 0mm 78% 0cm -21° 20°C 0mm 0.5kPa 19111m 6.2m/s 4.7m/s
05:00 ☾
0% 16°C 0mm 78% 0cm -9.7° 20°C 0mm 0.52kPa 19298m 6.3m/s 5m/s
06:00 ☾
0% 16°C 0.01mm 77% 0cm 2.9° 20°C 0.06mm 0.53kPa 18643m 6.6m/s 5.3m/s
07:00 ☾
0% 15°C 0.01mm 73% 0cm 16° 20°C 0.06mm 0.63kPa 18758m 6.8m/s 5.4m/s
08:00 ☾
0% 14°C 0.03mm 69% 0cm 28° 20°C 0.06mm 0.75kPa 20909m 6.5m/s 5.4m/s
09:00
0% 14°C 0.02mm 65% 0cm 41° 21°C 0.13mm 0.84kPa 24135m 6m/s 5.1m/s
10:00
0% 14°C 0.01mm 65% 0cm 54° 21°C 0mm 0.86kPa 24134m 6.3m/s 5.5m/s
11:00
0% 14°C 0mm 64% 0cm 65° 21°C 0mm 0.87kPa 24135m 6m/s 5.1m/s
12:00
0% 14°C 0mm 64% 0cm 71° 21°C 0mm 0.89kPa 24134m 5.5m/s 4.9m/s
13:00
0% 14°C 0mm 65% 0cm 69° 21°C 0mm 0.87kPa 24134m 5.7m/s 5.3m/s
14:00
0% 14°C 0mm 65% 0cm 60° 21°C 0mm 0.87kPa 24135m 5.6m/s 5.1m/s
15:00
0% 15°C 0mm 67% 0cm 48° 21°C 0mm 0.82kPa 24134m 5.7m/s 4.9m/s
16:00
0% 15°C 0mm 70% 0cm 35° 21°C 0mm 0.76kPa 23713m 5.5m/s 4.9m/s
17:00
0% 16°C 0mm 71% 0cm 22° 21°C 0mm 0.71kPa 23298m 5.5m/s 4.8m/s
18:00
0% 16°C 0mm 74% 0cm 9.6° 21°C 0mm 0.64kPa 23317m 5.2m/s 4.3m/s
19:00 ☾
0% 17°C 0mm 77% 0cm -3° 21°C 0.06mm 0.56kPa 23283m 5.8m/s 4.8m/s
20:00 ☾
0% 17°C 0.03mm 81% 0cm -15° 21°C 0.19mm 0.47kPa 23100m 5.9m/s 5m/s
21:00 ☾
0% 18°C 0.19mm 83% 0cm -26° 21°C 0.38mm 0.42kPa 18862m 6.1m/s 5.1m/s
22:00 ☾
0% 18°C 1.5mm 87% 0cm -36° 20°C 0.63mm 0.3kPa 6706m 7.2m/s 5.6m/s
23:00 ☾
0% 18°C 0.86mm 86% 0cm -44° 20°C 1.6mm 0.33kPa 13681m 7.6m/s 6.1m/s
Thu, Apr 23 Sunrise 05:43 Sunset 18:49
24:00 ☾
0% 18°C 0.84mm 88% 0cm -47° 20°C 3.1mm 0.26kPa 9144m 7.6m/s 5.2m/s
01:00 ☾
0% 18°C 0.37mm 86% 0cm -46° 20°C 3.8mm 0.35kPa 18469m 13m/s 9.8m/s
02:00 ☾
0% 18°C 1.6mm 86% 0cm -40° 21°C 5.7mm 0.35kPa 7466m 12m/s 10m/s
03:00 ☾
0% 18°C 0.55mm 87% 0cm -32° 20°C 6.3mm 0.32kPa 14213m 13m/s 12m/s
04:00 ☾
0% 19°C 0.46mm 87% 0cm -21° 21°C 5.4mm 0.33kPa 16031m 12m/s 11m/s
05:00 ☾
0% 19°C 0.38mm 87% 0cm -9.5° 21°C 4.5mm 0.33kPa 17848m 11m/s 9.4m/s
06:00 ☾
0% 19°C 0.29mm 87% 0cm 3.1° 22°C 3.7mm 0.33kPa 19666m 10m/s 8.3m/s
07:00 ☾
0% 19°C 0.28mm 87% 0cm 16° 22°C 4.2mm 0.34kPa 19755m 10m/s 8m/s
08:00 ☾
0% 19°C 0.27mm 87% 0cm 29° 22°C 4.8mm 0.34kPa 19845m 9.7m/s 7.6m/s
09:00
0% 19°C 0.26mm 87% 0cm 41° 22°C 5.3mm 0.35kPa 19934m 9.3m/s 7.2m/s
10:00
0% 19°C 0.18mm 86% 0cm 54° 22°C 3.6mm 0.36kPa 20172m 9.9m/s 7.8m/s
11:00
0% 19°C 0.11mm 85% 0cm 65° 21°C 2mm 0.37kPa 20409m 10m/s 8.3m/s
12:00
0% 19°C 0.03mm 85% 0cm 72° 21°C 0.31mm 0.39kPa 20646m 11m/s 8.8m/s
13:00
0% 18°C 0.03mm 84% 0cm 69° 21°C 0.38mm 0.4kPa 20650m 10m/s 8.7m/s
14:00
0% 18°C 0.03mm 84% 0cm 60° 21°C 0.44mm 0.41kPa 20654m 9.9m/s 8.7m/s
15:00
0% 18°C 0.03mm 83% 0cm 48° 21°C 0.5mm 0.41kPa 20658m 9.4m/s 8.6m/s
16:00
0% 17°C 0.03mm 84% 0cm 35° 20°C 0.46mm 0.38kPa 20627m 9.3m/s 8.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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