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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 Spread1.6°C
Visibility17533 (Clear)
Relative Humidity90%
Wind Speed4.5m/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 79 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 75.0%
Sun, May 24
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, May 25
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%
Tue, May 26
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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11:000%
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14:000%
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17:000%
18:000%
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22:000%
23:000%
Wed, May 27
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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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
Sun, May 24 Sunrise 05:18 Sunset 19:09
22:00 ☾
0% 22°C 0mm 90% 0cm -29° 24°C 0.13mm 0.28kPa 17533m 7m/s 4.5m/s
23:00 ☾
0% 22°C 0mm 90% 0cm -36° 24°C 0.25mm 0.29kPa 17345m 7.6m/s 5.4m/s
Mon, May 25 Sunrise 05:18 Sunset 19:09
24:00 ☾
0% 22°C 0mm 91% 0cm -39° 24°C 0.38mm 0.27kPa 8599m 7.7m/s 5.5m/s
01:00 ☾
0% 22°C 0mm 90% 0cm -38° 23°C 0.44mm 0.27kPa 8719m 8.1m/s 6m/s
02:00 ☾
0% 22°C 0mm 90% 0cm -33° 23°C 0.5mm 0.27kPa 6579m 8.7m/s 6.4m/s
03:00 ☾
0% 22°C 0mm 90% 0cm -25° 23°C 0.56mm 0.29kPa 5490m 8.9m/s 6.6m/s
04:00 ☾
0% 21°C 0mm 89% 0cm -15° 23°C 0.13mm 0.32kPa 9848m 9m/s 7m/s
05:00 ☾
0% 21°C 0mm 88% 0cm -4.3° 23°C 0.19mm 0.35kPa 17958m 8.6m/s 6.7m/s
06:00 ☾
0% 21°C 0.01mm 87% 0cm 7.6° 23°C 0.25mm 0.37kPa 18115m 8.4m/s 6.6m/s
07:00 ☾
0% 21°C 0.03mm 87% 0cm 20° 23°C 0.38mm 0.38kPa 18065m 9.2m/s 7.5m/s
08:00 ☾
0% 21°C 0.07mm 86% 0cm 33° 23°C 0.44mm 0.41kPa 18127m 9.4m/s 7.8m/s
09:00
0% 21°C 0.03mm 85% 0cm 46° 23°C 0.63mm 0.43kPa 18200m 9.3m/s 7.4m/s
10:00
1% 21°C 0mm 83% 0cm 58° 24°C 0.06mm 0.48kPa 18070m 8.8m/s 7m/s
11:00
2% 21°C 0mm 83% 0cm 71° 24°C 0.13mm 0.49kPa 18134m 9.4m/s 7.5m/s
12:00
3% 20°C 0mm 81% 0cm 80° 24°C 0.19mm 0.55kPa 18260m 8.5m/s 7.2m/s
13:00
3% 21°C 0mm 83% 0cm 76° 24°C 0.25mm 0.48kPa 18244m 9.4m/s 8.1m/s
14:00
3% 20°C 0.01mm 82% 0cm 64° 24°C 0.38mm 0.53kPa 18211m 8.8m/s 7.5m/s
15:00
3% 20°C 0mm 80% 0cm 52° 24°C 0.38mm 0.6kPa 18334m 8.8m/s 7.4m/s
16:00
7% 20°C 0mm 79% 0cm 39° 24°C 0mm 0.61kPa 18372m 8.1m/s 6.8m/s
17:00
10% 20°C 0mm 80% 0cm 26° 24°C 0mm 0.59kPa 18368m 8.7m/s 7.6m/s
18:00
14% 20°C 0mm 80% 0cm 13° 24°C 0mm 0.57kPa 18431m 8.9m/s 7.9m/s
19:00
15% 20°C 0mm 81% 0cm 1.6° 24°C 0mm 0.56kPa 18403m 8.5m/s 7.2m/s
20:00 ☾
16% 20°C 0mm 82% 0cm -10° 23°C 0.06mm 0.52kPa 18273m 9.1m/s 7.6m/s
21:00 ☾
17% 20°C 0mm 82% 0cm -21° 23°C 0.06mm 0.51kPa 18230m 8.7m/s 7.4m/s
22:00 ☾
18% 20°C 0mm 82% 0cm -29° 23°C 0.06mm 0.51kPa 18237m 8.7m/s 7.5m/s
23:00 ☾
20% 20°C 0mm 82% 0cm -36° 23°C 0.06mm 0.51kPa 18890m 8.8m/s 7.6m/s
Tue, May 26 Sunrise 05:18 Sunset 19:10
24:00 ☾
21% 20°C 0.01mm 82% 0cm -38° 23°C 0.06mm 0.5kPa 18229m 9m/s 7.6m/s
01:00 ☾
21% 20°C 0mm 82% 0cm -37° 23°C 0.06mm 0.52kPa 18199m 8.7m/s 7.4m/s
02:00 ☾
21% 20°C 0.01mm 82% 0cm -33° 23°C 0.13mm 0.5kPa 18661m 8.2m/s 6.8m/s
03:00 ☾
21% 20°C 0.04mm 84% 0cm -25° 23°C 0.19mm 0.45kPa 18107m 7.6m/s 6.4m/s
04:00 ☾
20% 20°C 0.03mm 85% 0cm -15° 23°C 0.13mm 0.43kPa 18121m 7.9m/s 6.8m/s
05:00 ☾
19% 20°C 0mm 85% 0cm -4.2° 23°C 0.19mm 0.42kPa 18095m 8.9m/s 7.5m/s
06:00 ☾
18% 20°C 0mm 83% 0cm 7.7° 23°C 0.19mm 0.49kPa 18139m 8.9m/s 7.6m/s
07:00 ☾
15% 20°C 0mm 81% 0cm 20° 23°C 0.25mm 0.53kPa 18150m 9.2m/s 7.9m/s
08:00 ☾
12% 20°C 0mm 81% 0cm 33° 23°C 0.25mm 0.54kPa 18169m 9m/s 7.7m/s
09:00
9% 20°C 0mm 81% 0cm 46° 23°C 0.25mm 0.55kPa 18248m 10m/s 8.3m/s
10:00
9% 20°C 0mm 79% 0cm 58° 24°C 0mm 0.62kPa 18363m 10m/s 8.9m/s
11:00
10% 20°C 0mm 78% 0cm 71° 24°C 0mm 0.64kPa 18458m 9.5m/s 8.7m/s
12:00
10% 20°C 0mm 78% 0cm 80° 24°C 0mm 0.64kPa 18425m 9.2m/s 8.6m/s
13:00
9% 20°C 0mm 79% 0cm 76° 24°C 0.06mm 0.63kPa 18410m 9.5m/s 9m/s
14:00
9% 20°C 0mm 79% 0cm 65° 24°C 0.06mm 0.62kPa 18387m 9.4m/s 8.8m/s
15:00
8% 20°C 0mm 79% 0cm 52° 24°C 0.06mm 0.63kPa 18410m 8.8m/s 8.3m/s
16:00
7% 20°C 0mm 79% 0cm 39° 24°C 0mm 0.62kPa 18302m 8.9m/s 8.6m/s
17:00
7% 20°C 0mm 80% 0cm 26° 24°C 0mm 0.59kPa 18230m 9m/s 8.6m/s
18:00
6% 20°C 0.01mm 80% 0cm 14° 24°C 0mm 0.58kPa 18183m 9.1m/s 8.4m/s
19:00
5% 20°C 0mm 82% 0cm 1.7° 24°C 0.06mm 0.54kPa 18131m 9.1m/s 8.2m/s
20:00 ☾
5% 21°C 0.06mm 83% 0cm -10° 24°C 0.13mm 0.5kPa 18101m 9.2m/s 8.1m/s
21:00 ☾
4% 21°C 0.06mm 84% 0cm -20° 24°C 0.25mm 0.45kPa 18107m 9.6m/s 8.5m/s
22:00 ☾
3% 21°C 0.1mm 86% 0cm -29° 24°C 0.13mm 0.4kPa 18078m 9.9m/s 8.8m/s
23:00 ☾
2% 21°C 0.21mm 88% 0cm -35° 24°C 0.38mm 0.36kPa 17642m 10m/s 8.8m/s
Wed, May 27 Sunrise 05:18 Sunset 19:10
24:00 ☾
1% 22°C 0.24mm 89% 0cm -38° 24°C 0.56mm 0.33kPa 17978m 11m/s 8.9m/s
01:00 ☾
1% 22°C 0.37mm 90% 0cm -37° 24°C 0.94mm 0.3kPa 18102m 11m/s 9.3m/s
02:00 ☾
0% 23°C 0.86mm 91% 0cm -32° 24°C 1.6mm 0.27kPa 12567m 12m/s 9.6m/s
03:00 ☾
0% 23°C 1.2mm 93% 0cm -25° 24°C 2.8mm 0.2kPa 9437m 12m/s 9.6m/s
04:00 ☾
0% 23°C 1.6mm 95% 0cm -15° 24°C 15mm 0.16kPa 7065m 10m/s 8m/s
05:00 ☾
0% 24°C 2mm 96% 0cm -4.1° 24°C 26mm 0.12kPa 4692m 9m/s 6.3m/s
06:00 ☾
0% 24°C 2.5mm 97% 0cm 7.7° 24°C 38mm 0.08kPa 2320m 7.7m/s 4.6m/s
07:00 ☾
0% 24°C 3.1mm 97% 0cm 20° 24°C 40mm 0.08kPa 3123m 8.3m/s 5.5m/s
08:00 ☾
0% 24°C 3.7mm 97% 0cm 33° 25°C 43mm 0.08kPa 3926m 8.8m/s 6.4m/s
09:00
0% 24°C 4.3mm 97% 0cm 46° 25°C 45mm 0.09kPa 4729m 9.4m/s 7.3m/s
10:00
0% 24°C 3.1mm 97% 0cm 59° 25°C 33mm 0.1kPa 8618m 9.6m/s 7.5m/s
11:00
0% 24°C 1.9mm 96% 0cm 71° 25°C 20mm 0.12kPa 12506m 9.9m/s 7.6m/s
12:00
0% 24°C 0.75mm 96% 0cm 80° 25°C 7.7mm 0.14kPa 16395m 10m/s 7.8m/s
13:00
0% 24°C 0.65mm 95% 0cm 76° 25°C 8.2mm 0.15kPa 16681m 9.5m/s 7.3m/s
14:00
0% 24°C 0.54mm 95% 0cm 65° 25°C 8.7mm 0.16kPa 16968m 8.8m/s 6.9m/s
15:00
0% 24°C 0.44mm 95% 0cm 52° 25°C 9.2mm 0.17kPa 17254m 8.1m/s 6.5m/s
16:00
0% 24°C 0.5mm 95% 0cm 39° 25°C 6.7mm 0.16kPa 18358m 8.2m/s 6.5m/s
17:00
0% 24°C 0.55mm 95% 0cm 26° 25°C 4.1mm 0.16kPa 19462m 8.3m/s 6.6m/s
18:00
0% 24°C 0.61mm 95% 0cm 14° 25°C 1.6mm 0.15kPa 20567m 8.4m/s 6.7m/s
19:00
0% 24°C 0.48mm 95% 0cm 1.8° 25°C 2.1mm 0.16kPa 19611m 8.4m/s 6.8m/s
20:00 ☾
0% 24°C 0.36mm 95% 0cm -9.9° 25°C 2.6mm 0.16kPa 18656m 8.4m/s 6.8m/s
21:00 ☾
0% 24°C 0.23mm 95% 0cm -20° 25°C 3.1mm 0.17kPa 17701m 8.4m/s 6.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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