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Rule Fog Hunter

Sakurajima - Fog Hunter - Kyushu

Kagoshima, 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
Dewpoint Spread8.5°C
Visibility24135 (Clear)
Relative Humidity58%
Wind Speed3.1m/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 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 60.0%
Sat, Apr 4
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%
Sun, Apr 5
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%
Mon, Apr 6
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%
Tue, Apr 7
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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18:000%
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22:000%
23:000%
Wed, Apr 8
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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, Apr 5 Sunrise 06:00 Sunset 18:39
11:00
2% 9.8°C 0mm 58% 0cm 58° 18°C 0mm 0.89kPa 24135m 4.6m/s 3.1m/s
12:00
3% 10°C 0mm 57% 0cm 64° 19°C 0mm 0.92kPa 24135m 5.8m/s 4.3m/s
13:00
4% 10°C 0mm 58% 0cm 63° 19°C 0mm 0.92kPa 24134m 7m/s 5.3m/s
14:00
5% 9.9°C 0mm 57% 0cm 56° 19°C 0mm 0.93kPa 24135m 6.7m/s 5.1m/s
15:00
6% 9.6°C 0mm 57% 0cm 45° 18°C 0mm 0.89kPa 24134m 6.9m/s 5.3m/s
16:00
36% 9.4°C 0mm 58% 0cm 33° 18°C 0mm 0.84kPa 24135m 6.8m/s 5.1m/s
17:00
66% 9.8°C 0mm 63% 0cm 20° 17°C 0mm 0.72kPa 24135m 6.3m/s 4.2m/s
18:00
96% 9.9°C 0mm 68% 0cm 7.7° 16°C 0mm 0.56kPa 24134m 6.1m/s 3.5m/s
19:00
96% 9.6°C 0mm 76% 0cm -5.1° 14°C 0mm 0.38kPa 24135m 4.1m/s 2.7m/s
20:00
95% 9.1°C 0mm 77% 0cm -17° 13°C 0mm 0.35kPa 24134m 3.9m/s 2.5m/s
21:00
95% 8.8°C 0mm 76% 0cm -29° 13°C 0mm 0.36kPa 24135m 2m/s 1.8m/s
22:00
74% 8.6°C 0mm 76% 0cm -40° 13°C 0mm 0.36kPa 24134m 1.8m/s 1.8m/s
23:00
54% 8.4°C 0mm 76% 0cm -48° 13°C 0mm 0.35kPa 24135m 1.1m/s 1.1m/s
Mon, Apr 6 Sunrise 06:00 Sunset 18:39
24:00
33% 8.5°C 0mm 76% 0cm -52° 13°C 0mm 0.35kPa 24134m 1.3m/s 1.3m/s
01:00
24% 8.3°C 0mm 76% 0cm -51° 12°C 0mm 0.34kPa 24134m 0.75m/s 0.74m/s
02:00
14% 8.4°C 0mm 76% 0cm -45° 12°C 0mm 0.34kPa 24134m 0.72m/s 0.53m/s
03:00
5% 8.3°C 0mm 76% 0cm -36° 12°C 0mm 0.34kPa 24135m 1m/s 1m/s
04:00
5% 8.4°C 0mm 76% 0cm -25° 13°C 0mm 0.35kPa 24135m 0.61m/s 0.57m/s
05:00
5% 8.4°C 0mm 76% 0cm -13° 13°C 0mm 0.35kPa 24135m 0.82m/s 0.62m/s
06:00
5% 8.5°C 0mm 75% 0cm -0.67° 13°C 0mm 0.37kPa 24134m 1.3m/s 1.3m/s
07:00
4% 8.9°C 0mm 74% 0cm 12° 13°C 0mm 0.4kPa 24134m 1.9m/s 1.7m/s
08:00
3% 9.4°C 0mm 69% 0cm 25° 15°C 0mm 0.54kPa 24134m 1.4m/s 1.1m/s
09:00
2% 10°C 0mm 64% 0cm 37° 17°C 0mm 0.69kPa 24134m 1.1m/s 0.72m/s
10:00
9% 10°C 0mm 59% 0cm 49° 19°C 0mm 0.89kPa 24135m 1.9m/s 0.71m/s
11:00
16% 11°C 0mm 58% 0cm 59° 19°C 0mm 0.94kPa 24134m 2.4m/s 1.2m/s
12:00
23% 11°C 0mm 56% 0cm 64° 20°C 0mm 1kPa 24135m 2.3m/s 1.4m/s
13:00
20% 11°C 0mm 55% 0cm 63° 21°C 0mm 1.1kPa 24135m 2.5m/s 2.2m/s
14:00
16% 11°C 0mm 54% 0cm 56° 21°C 0mm 1.1kPa 24135m 2.7m/s 1.9m/s
15:00
13% 12°C 0mm 53% 0cm 45° 22°C 0mm 1.2kPa 24134m 2.4m/s 1.4m/s
16:00
10% 12°C 0mm 53% 0cm 33° 21°C 0mm 1.2kPa 24134m 2.8m/s 1.8m/s
17:00
7% 13°C 0mm 62% 0cm 21° 20°C 0mm 0.92kPa 24134m 2.6m/s 1.6m/s
18:00
4% 13°C 0mm 70% 0cm 7.8° 19°C 0mm 0.64kPa 24134m 1.7m/s 1.4m/s
19:00
3% 13°C 0mm 74% 0cm -4.9° 18°C 0mm 0.52kPa 24134m 1.3m/s 0.96m/s
20:00
1% 13°C 0mm 75% 0cm -17° 17°C 0mm 0.48kPa 24134m 0.6m/s 0.27m/s
21:00
0% 13°C 0mm 74% 0cm -29° 17°C 0mm 0.5kPa 24134m 0.95m/s 0.93m/s
22:00
0% 12°C 0mm 73% 0cm -39° 17°C 0mm 0.52kPa 24134m 0.9m/s 0.79m/s
23:00
0% 12°C 0mm 72% 0cm -47° 17°C 0mm 0.53kPa 24134m 1.7m/s 1.7m/s
Tue, Apr 7 Sunrise 05:59 Sunset 18:40
24:00
0% 12°C 0.03mm 75% 0cm -52° 16°C 0mm 0.46kPa 24134m 3.2m/s 2.7m/s
01:00
0% 12°C 0.28mm 77% 0cm -51° 16°C 0.13mm 0.4kPa 24134m 3m/s 2.4m/s
02:00
0% 11°C 0.42mm 75% 0cm -45° 16°C 0.31mm 0.44kPa 20375m 4.7m/s 2.9m/s
03:00
0% 12°C 0.55mm 86% 0cm -36° 14°C 1.3mm 0.23kPa 19973m 5.2m/s 2.9m/s
04:00
0% 12°C 1.4mm 90% 0cm -25° 14°C 0.81mm 0.15kPa 12060m 3.8m/s 2.1m/s
05:00
0% 13°C 2.2mm 94% 0cm -13° 14°C 2.4mm 0.1kPa 7222m 4m/s 2.6m/s
06:00
0% 13°C 0.89mm 94% 0cm -0.29° 14°C 3.8mm 0.1kPa 13639m 3.9m/s 2.3m/s
07:00
0% 13°C 1.2mm 95% 0cm 12° 14°C 5.1mm 0.08kPa 11357m 2.5m/s 1.5m/s
08:00
0% 13°C 0.61mm 96% 0cm 25° 14°C 6.6mm 0.07kPa 17526m 2.9m/s 1.7m/s
09:00
0% 13°C 0.04mm 94% 0cm 37° 14°C 6.8mm 0.1kPa 24135m 2.6m/s 1.6m/s
10:00
2% 14°C 0.23mm 92% 0cm 49° 15°C 0.06mm 0.13kPa 22732m 1.5m/s 1m/s
11:00
4% 14°C 0.01mm 90% 0cm 59° 15°C 0.19mm 0.18kPa 24135m 2.2m/s 1.6m/s
12:00
6% 14°C 0.01mm 87% 0cm 65° 16°C 0.25mm 0.23kPa 24135m 1.7m/s 0.87m/s
13:00
7% 14°C 0mm 82% 0cm 64° 17°C 0.25mm 0.36kPa 24134m 3.6m/s 1.3m/s
14:00
9% 14°C 0mm 72% 0cm 56° 19°C 0.25mm 0.6kPa 24134m 4.4m/s 1.9m/s
15:00
10% 13°C 0mm 64% 0cm 45° 20°C 0.25mm 0.83kPa 24135m 6m/s 3.7m/s
16:00
35% 9.6°C 0mm 64% 0cm 33° 16°C 0.17mm 0.66kPa 24135m 5.3m/s 3.4m/s
17:00
61% 6.2°C 0mm 64% 0cm 21° 13°C 0.08mm 0.52kPa 24135m 4.6m/s 3.1m/s
18:00
86% 2.8°C 0mm 64% 0cm 7.9° 9.2°C 0mm 0.41kPa 24135m 3.9m/s 2.8m/s
19:00
84% 2.4°C 0mm 64% 0cm -4.8° 8.8°C 0mm 0.41kPa 24135m 3.5m/s 2.6m/s
20:00
81% 1.9°C 0mm 63% 0cm -17° 8.5°C 0mm 0.4kPa 24135m 3.1m/s 2.4m/s
21:00
79% 1.5°C 0mm 63% 0cm -29° 8.1°C 0mm 0.4kPa 24135m 2.7m/s 2.3m/s
22:00
72% 1.4°C 0mm 63% 0cm -39° 8°C 0mm 0.4kPa 24135m 2.5m/s 2.1m/s
23:00
65% 1.2°C 0mm 63% 0cm -47° 7.8°C 0mm 0.39kPa 24135m 2.2m/s 1.9m/s
Wed, Apr 8 Sunrise 05:58 Sunset 18:40
24:00
58% 1.1°C 0mm 63% 0cm -51° 7.6°C 0mm 0.38kPa 24135m 1.9m/s 1.7m/s
01:00
55% 2.2°C 0mm 61% 0cm -50° 9.4°C 0mm 0.46kPa 24135m 1.9m/s 1.7m/s
02:00
52% 3.2°C 0mm 58% 0cm -45° 11°C 0mm 0.55kPa 24135m 1.8m/s 1.6m/s
03:00
49% 4.2°C 0mm 56% 0cm -36° 13°C 0mm 0.66kPa 24135m 1.8m/s 1.5m/s
04:00
51% 4.6°C 0mm 54% 0cm -25° 14°C 0mm 0.72kPa 24135m 1.6m/s 1.4m/s
05:00
52% 5.1°C 0mm 53% 0cm -13° 15°C 0mm 0.79kPa 24135m 1.5m/s 1.2m/s
06:00
54% 5.5°C 0mm 51% 0cm 0.08° 16°C 0mm 0.87kPa 24135m 1.3m/s 1.1m/s
07:00
54% 5.4°C 0mm 49% 0cm 12° 16°C 0mm 0.92kPa 24135m 1.4m/s 1.1m/s
08:00
55% 5.3°C 0mm 48% 0cm 25° 16°C 0mm 0.97kPa 24135m 1.6m/s 1.1m/s
09:00
55% 5.1°C 0mm 46% 0cm 38° 17°C 0mm 1kPa 24135m 1.7m/s 1.1m/s
10:00
56% 5.9°C 0mm 50% 0cm 49° 16°C 0mm 0.92kPa 24135m 1.9m/s 1.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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