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Rule Fog Hunter

Kumamoto - Fog Hunter - Kyushu

Kumamoto, Kumamoto, 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
Dewpoint Spread5.4°C
Visibility24134 (Clear)
Relative Humidity70%
Wind Speed1.6m/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 86 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 60.0%
Tue, Apr 21
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Wed, Apr 22
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, Apr 23
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:0015%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
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21:000%
22:000%
23:000%
Fri, Apr 24
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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21:000%
22:000%
23:000%
Sat, Apr 25
24:000%
01:000%
02:000%
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, Apr 22 Sunrise 05:41 Sunset 18:51
04:00
2% 8.5°C 0mm 70% 0cm -20° 14°C 0mm 0.48kPa 24134m 1.4m/s 1.6m/s
05:00
3% 8.7°C 0mm 72% 0cm -8.8° 14°C 0mm 0.44kPa 24134m 1.4m/s 1.6m/s
06:00
5% 8.4°C 0mm 71% 0cm 3.5° 14°C 0mm 0.46kPa 24134m 1.3m/s 1.4m/s
07:00
3% 9.2°C 0mm 69% 0cm 16° 15°C 0mm 0.52kPa 24134m 1m/s 0.78m/s
08:00
2% 9.3°C 0mm 61% 0cm 28° 17°C 0mm 0.74kPa 24135m 0.7m/s 0.43m/s
09:00
0% 9.8°C 0mm 56% 0cm 41° 19°C 0mm 0.93kPa 24134m 0.42m/s 0.8m/s
10:00
0% 11°C 0mm 54% 0cm 53° 20°C 0mm 1.1kPa 24135m 1.1m/s 1.5m/s
11:00
0% 11°C 0mm 53% 0cm 63° 21°C 0mm 1.2kPa 24134m 1.5m/s 1.8m/s
12:00
0% 11°C 0mm 53% 0cm 69° 21°C 0mm 1.2kPa 24135m 1.3m/s 2.1m/s
13:00
0% 11°C 0mm 54% 0cm 67° 20°C 0mm 1.1kPa 24134m 2.4m/s 2.3m/s
14:00
0% 9.7°C 0mm 50% 0cm 59° 20°C 0mm 1.2kPa 24135m 2.9m/s 2.1m/s
15:00
0% 12°C 0mm 60% 0cm 47° 20°C 0mm 0.92kPa 24134m 1.6m/s 0.42m/s
16:00
0% 11°C 0mm 63% 0cm 35° 18°C 0mm 0.79kPa 24134m 3.9m/s 2.2m/s
17:00
0% 11°C 0.03mm 66% 0cm 22° 18°C 0mm 0.69kPa 24134m 1.8m/s 1m/s
18:00
0% 12°C 0.55mm 76% 0cm 10° 16°C 0.25mm 0.45kPa 20025m 1.8m/s 0.81m/s
19:00
0% 13°C 0.43mm 82% 0cm -2.3° 16°C 0.5mm 0.32kPa 22540m 1.1m/s 0.48m/s
20:00
0% 13°C 0.8mm 89% 0cm -14° 15°C 1.2mm 0.18kPa 14402m 1.4m/s 0.77m/s
21:00
0% 13°C 1.2mm 92% 0cm -25° 15°C 2mm 0.12kPa 10104m 2.7m/s 1.5m/s
22:00
0% 13°C 1.9mm 94% 0cm -34° 14°C 1.7mm 0.1kPa 7605m 5.5m/s 2.2m/s
23:00
0% 13°C 2.6mm 94% 0cm -41° 14°C 3.9mm 0.1kPa 6219m 6.6m/s 2.3m/s
Thu, Apr 23 Sunrise 05:40 Sunset 18:51
24:00
0% 13°C 2.6mm 94% 0cm -45° 14°C 6.8mm 0.09kPa 6245m 7.8m/s 2.7m/s
01:00
0% 13°C 4.5mm 96% 0cm -44° 14°C 11mm 0.06kPa 4611m 6.6m/s 2.7m/s
02:00
0% 13°C 3mm 95% 0cm -38° 13°C 14mm 0.08kPa 5540m 8.1m/s 2.7m/s
03:00
0% 12°C 7.2mm 95% 0cm -30° 13°C 19mm 0.07kPa 3239m 7.7m/s 2.6m/s
04:00
0% 12°C 6.5mm 96% 0cm -20° 13°C 9.5mm 0.05kPa 3224m 9.8m/s 3.4m/s
05:00
0% 12°C 4.5mm 96% 0cm -8.6° 13°C 15mm 0.06kPa 4032m 8.6m/s 2.7m/s
06:00
0% 13°C 4.9mm 96% 0cm 3.7° 13°C 19mm 0.06kPa 3971m 6.7m/s 2.3m/s
07:00
0% 13°C 2.9mm 97% 0cm 16° 13°C 24mm 0.04kPa 6777m 6.4m/s 2.6m/s
08:00
0% 13°C 0.67mm 95% 0cm 29° 13°C 25mm 0.07kPa 18992m 6.6m/s 2.5m/s
09:00
0% 13°C 0.26mm 94% 0cm 41° 13°C 26mm 0.09kPa 23881m 6m/s 2.3m/s
10:00
0% 13°C 0.24mm 94% 0cm 53° 14°C 0.38mm 0.09kPa 24130m 4.1m/s 2m/s
11:00
0% 13°C 0.92mm 95% 0cm 63° 14°C 1.1mm 0.08kPa 13409m 4.6m/s 2.3m/s
12:00
0% 13°C 0.25mm 95% 0cm 69° 13°C 1.8mm 0.08kPa 24135m 4.4m/s 1.9m/s
13:00
0% 12°C 0.03mm 94% 0cm 67° 13°C 1.9mm 0.1kPa 24135m 4.6m/s 2m/s
14:00
0% 12°C 0.06mm 92% 0cm 59° 14°C 2mm 0.12kPa 24135m 4.8m/s 2.1m/s
15:00
0% 12°C 0.1mm 92% 0cm 47° 14°C 2.1mm 0.13kPa 24135m 4.3m/s 2.2m/s
16:00
1% 12°C 0.07mm 92% 0cm 35° 13°C 0.13mm 0.13kPa 24135m 4m/s 2m/s
17:00
1% 12°C 0mm 91% 0cm 23° 13°C 0.13mm 0.13kPa 24134m 4m/s 1.9m/s
18:00
2% 12°C 0mm 90% 0cm 10° 13°C 0.13mm 0.14kPa 24135m 2.9m/s 1.7m/s
19:00
1% 11°C 0mm 90% 0cm -2.1° 13°C 0.13mm 0.14kPa 24135m 3.6m/s 1.8m/s
20:00
1% 11°C 0mm 90% 0cm -14° 12°C 0.13mm 0.15kPa 24135m 4.6m/s 2.1m/s
21:00
0% 11°C 0mm 89% 0cm -25° 12°C 0.13mm 0.16kPa 24134m 4m/s 2m/s
22:00
0% 11°C 0mm 88% 0cm -34° 12°C 0mm 0.16kPa 24135m 2.8m/s 2m/s
23:00
0% 11°C 0mm 90% 0cm -41° 12°C 0mm 0.14kPa 24135m 4.1m/s 2.3m/s
Fri, Apr 24 Sunrise 05:39 Sunset 18:52
24:00
0% 10°C 0mm 89% 0cm -44° 12°C 0mm 0.15kPa 24134m 3m/s 1.9m/s
01:00
0% 10°C 0mm 90% 0cm -43° 12°C 0mm 0.13kPa 24135m 3.5m/s 2m/s
02:00
0% 9.8°C 0mm 90% 0cm -38° 11°C 0mm 0.13kPa 24134m 2.4m/s 1.7m/s
03:00
0% 9.7°C 0mm 90% 0cm -30° 11°C 0mm 0.13kPa 24134m 2.1m/s 1.8m/s
04:00
8% 9.5°C 0mm 90% 0cm -20° 11°C 0mm 0.13kPa 24134m 2m/s 1.6m/s
05:00
15% 9.4°C 0mm 90% 0cm -8.3° 11°C 0mm 0.13kPa 24134m 2.1m/s 1.6m/s
06:00
23% 9.7°C 0mm 89% 0cm 3.9° 11°C 0mm 0.15kPa 24134m 2.4m/s 1.5m/s
07:00
23% 10°C 0mm 86% 0cm 16° 13°C 0mm 0.2kPa 24135m 2.6m/s 1.7m/s
08:00
23% 10°C 0mm 81% 0cm 29° 14°C 0mm 0.3kPa 24135m 2.6m/s 1.8m/s
09:00
23% 10°C 0mm 71% 0cm 41° 15°C 0mm 0.5kPa 24135m 2.4m/s 1.7m/s
10:00
28% 10°C 0mm 70% 0cm 53° 16°C 0.04mm 0.55kPa 24135m 2.3m/s 1.8m/s
11:00
32% 11°C 0mm 68% 0cm 64° 17°C 0.08mm 0.61kPa 24135m 2.3m/s 1.9m/s
12:00
37% 11°C 0mm 66% 0cm 70° 17°C 0.13mm 0.67kPa 24135m 2.2m/s 1.9m/s
13:00
39% 11°C 0mm 70% 0cm 68° 17°C 0.13mm 0.58kPa 24135m 1.8m/s 1.6m/s
14:00
40% 12°C 0mm 74% 0cm 59° 16°C 0.13mm 0.49kPa 24135m 1.4m/s 1.2m/s
15:00
42% 12°C 0mm 77% 0cm 48° 16°C 0.13mm 0.4kPa 24135m 1m/s 0.88m/s
16:00
46% 11°C 0mm 77% 0cm 35° 15°C 0.08mm 0.39kPa 24135m 1.1m/s 1m/s
17:00
50% 11°C 0mm 77% 0cm 23° 15°C 0.04mm 0.38kPa 24135m 1.3m/s 1.2m/s
18:00
54% 10°C 0mm 78% 0cm 10° 14°C 0mm 0.37kPa 24135m 1.4m/s 1.3m/s
19:00
55% 9.6°C 0mm 74% 0cm -2° 14°C 0mm 0.41kPa 24135m 1.4m/s 1.4m/s
20:00
56% 8.7°C 0mm 72% 0cm -14° 14°C 0mm 0.45kPa 24135m 1.5m/s 1.5m/s
21:00
57% 7.8°C 0mm 68% 0cm -25° 13°C 0mm 0.49kPa 24135m 1.5m/s 1.5m/s
22:00
60% 7.8°C 0mm 69% 0cm -34° 13°C 0mm 0.48kPa 24135m 1.4m/s 1.4m/s
23:00
64% 7.9°C 0mm 69% 0cm -41° 13°C 0mm 0.47kPa 24135m 1.3m/s 1.3m/s
Sat, Apr 25 Sunrise 05:38 Sunset 18:53
24:00
67% 7.9°C 0mm 70% 0cm -44° 13°C 0mm 0.46kPa 24135m 1.1m/s 1.2m/s
01:00
64% 8.6°C 0mm 67% 0cm -43° 15°C 0mm 0.56kPa 24135m 2.3m/s 1.2m/s
02:00
61% 9.2°C 0mm 63% 0cm -38° 16°C 0mm 0.68kPa 24135m 3.4m/s 1.3m/s
03:00
58% 9.8°C 0mm 60% 0cm -30° 18°C 0mm 0.81kPa 24135m 4.6m/s 1.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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