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Rule Fog Hunter

Kirishima - Fog Hunter - Kyushu

Kirishima, Kagoshima, Japan

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread7.7°C
Visibility24134 (Clear)
Relative Humidity59%
Wind Speed2.8m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo
fog weather icon
Next opportunity
Moderate Fog at Sunset
Kirishima
Mon, Apr 27 · 18:00–20:00 · 2h window
Medium confidence
56%
🌫️Fog Probability74.6%
Dewpoint Spread: 0.5°C
Visibility: 24135 (Clear)
Relative Humidity: 97%
Wind Speed: 2.0m/s (calm conditions)
fog weather icon
Moderate Fog
Kirishima
Mon, Apr 27 · 20:00–22:00
🌫️Fog Probability:62.7-74.6%
Low

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%
Tue, Apr 21
04:0030%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
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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%
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13:000%
14:000%
15:000%
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17:000%
18:000%
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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%
10:000%
11:000%
12:000%
13:000%
14:000%
15:008.4%
16:0015%
17:0026%
18:0030%
19:0030%
20:0030%
21:0030%
22:0053%
23:0053%
Fri, Apr 24
24:0053%
01:0030%
02:0033%
03:0030%
04:0022%
05:0019%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:0016%
13:0017%
14:000%
15:000%
16:000%
17:000%
18:0030%
19:000%
20:000%
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 05:42 Sunset 18:49
04:00 ☾
4% 4.5°C 0mm 59% 0cm -21° 12°C 0mm 0.58kPa 24134m 3.1m/s 2.8m/s
05:00 ☾
7% 4.8°C 0mm 63% 0cm -9.1° 12°C 0mm 0.5kPa 24134m 3.1m/s 2.7m/s
06:00 ☾
11% 5.4°C 0mm 65% 0cm 3.3° 12°C 0mm 0.48kPa 24134m 3.3m/s 2.8m/s
07:00 ☾
8% 7.2°C 0mm 66% 0cm 16° 14°C 0mm 0.53kPa 24134m 3.9m/s 2.4m/s
08:00 ☾
6% 8.6°C 0mm 64% 0cm 28° 15°C 0mm 0.64kPa 24135m 4.9m/s 2.5m/s
09:00
3% 9.7°C 0mm 63% 0cm 41° 17°C 0mm 0.69kPa 24134m 6.3m/s 2.6m/s
10:00
3% 11°C 0mm 59% 0cm 53° 19°C 0mm 0.91kPa 24135m 5.9m/s 3.6m/s
11:00
2% 11°C 0mm 55% 0cm 64° 20°C 0mm 1.1kPa 24134m 5.5m/s 3.7m/s
12:00
2% 11°C 0mm 56% 0cm 70° 20°C 0mm 1.1kPa 24135m 5.6m/s 3.7m/s
13:00
1% 12°C 0mm 62% 0cm 68° 20°C 0mm 0.86kPa 24134m 5.7m/s 3.6m/s
14:00
1% 13°C 0.03mm 72% 0cm 59° 18°C 0mm 0.55kPa 24135m 6.9m/s 3m/s
15:00
0% 13°C 0.01mm 75% 0cm 48° 17°C 0.06mm 0.48kPa 24134m 8.7m/s 3.9m/s
16:00
0% 13°C 0mm 72% 0cm 35° 18°C 0mm 0.58kPa 24134m 8.6m/s 5.1m/s
17:00
0% 12°C 0.07mm 75% 0cm 22° 16°C 0mm 0.47kPa 24134m 8.3m/s 4m/s
18:00
0% 12°C 0.36mm 80% 0cm 9.7° 16°C 0.19mm 0.35kPa 21538m 8m/s 3.3m/s
19:00 ☾
0% 13°C 1.3mm 89% 0cm -2.7° 14°C 1.2mm 0.19kPa 10189m 7.2m/s 3.1m/s
20:00 ☾
0% 12°C 0.68mm 90% 0cm -15° 14°C 2.1mm 0.15kPa 15516m 9.7m/s 4m/s
21:00 ☾
0% 12°C 1.6mm 90% 0cm -26° 14°C 3.2mm 0.15kPa 8547m 10m/s 4.6m/s
22:00 ☾
0% 12°C 1.5mm 91% 0cm -35° 13°C 1.4mm 0.14kPa 9006m 12m/s 5.7m/s
23:00 ☾
0% 12°C 1.4mm 92% 0cm -42° 13°C 3.1mm 0.11kPa 9419m 13m/s 5.6m/s
Thu, Apr 23 Sunrise 05:41 Sunset 18:50
24:00 ☾
0% 12°C 1.1mm 93% 0cm -46° 13°C 4.4mm 0.11kPa 11067m 13m/s 6.1m/s
01:00 ☾
0% 11°C 0.81mm 91% 0cm -45° 13°C 5.3mm 0.13kPa 13589m 13m/s 6.4m/s
02:00 ☾
0% 11°C 1.7mm 92% 0cm -39° 12°C 6.9mm 0.11kPa 8520m 13m/s 6.1m/s
03:00 ☾
0% 11°C 2mm 94% 0cm -31° 12°C 9.3mm 0.09kPa 7981m 14m/s 6.7m/s
04:00 ☾
0% 12°C 1.6mm 94% 0cm -20° 13°C 1.4mm 0.09kPa 9607m 13m/s 6.2m/s
05:00 ☾
0% 12°C 4.9mm 94% 0cm -8.9° 13°C 6.1mm 0.08kPa 4352m 12m/s 5.4m/s
06:00 ☾
0% 13°C 1.9mm 94% 0cm 3.5° 13°C 8.9mm 0.09kPa 10569m 12m/s 5.5m/s
07:00 ☾
0% 13°C 1.4mm 94% 0cm 16° 14°C 10mm 0.1kPa 9199m 12m/s 4.9m/s
08:00 ☾
0% 13°C 0.01mm 93% 0cm 29° 14°C 10mm 0.11kPa 24135m 10m/s 4.7m/s
09:00
0% 13°C 0.05mm 92% 0cm 41° 14°C 10mm 0.13kPa 24134m 9.2m/s 5m/s
10:00
0% 13°C 0.09mm 92% 0cm 53° 14°C 0.13mm 0.13kPa 24135m 7.3m/s 3.6m/s
11:00
0% 13°C 0.04mm 92% 0cm 64° 14°C 0.19mm 0.13kPa 24135m 5.7m/s 2.9m/s
12:00
0% 14°C 0.07mm 91% 0cm 70° 15°C 0.25mm 0.16kPa 24135m 4.2m/s 2.3m/s
13:00
0% 14°C 0.1mm 92% 0cm 68° 15°C 0.38mm 0.14kPa 24135m 3.7m/s 2.1m/s
14:00
0% 14°C 0.13mm 92% 0cm 59° 16°C 0.5mm 0.15kPa 24135m 3m/s 1.7m/s
15:00
0% 15°C 0.42mm 94% 0cm 48° 15°C 0.75mm 0.11kPa 17881m 1.6m/s 1m/s
16:00
0% 15°C 0.11mm 95% 0cm 35° 15°C 0.19mm 0.09kPa 24135m 1.8m/s 1.4m/s
17:00
0% 15°C 0.22mm 95% 0cm 23° 15°C 0.38mm 0.08kPa 23385m 2.2m/s 1.5m/s
18:00
0% 14°C 0.04mm 95% 0cm 9.9° 15°C 0.56mm 0.08kPa 24135m 1.6m/s 1.3m/s
19:00 ☾
0% 14°C 0.07mm 95% 0cm -2.5° 15°C 0.63mm 0.08kPa 24135m 1.5m/s 1.2m/s
20:00 ☾
0% 14°C 0.29mm 96% 0cm -15° 15°C 0.75mm 0.07kPa 20971m 1.2m/s 0.7m/s
21:00 ☾
0% 14°C 0mm 95% 0cm -26° 15°C 0.81mm 0.08kPa 24134m 1.1m/s 0.71m/s
22:00 ☾
0% 14°C 0.01mm 96% 0cm -35° 14°C 0mm 0.07kPa 24135m 1.9m/s 1.5m/s
23:00 ☾
0% 14°C 0.02mm 95% 0cm -42° 14°C 0.06mm 0.07kPa 24135m 1.6m/s 1.3m/s
Fri, Apr 24 Sunrise 05:40 Sunset 18:50
24:00 ☾
0% 13°C 0.09mm 95% 0cm -45° 14°C 0.06mm 0.08kPa 24134m 1.5m/s 1.2m/s
01:00 ☾
0% 13°C 0.22mm 96% 0cm -44° 14°C 0.19mm 0.07kPa 23197m 0.91m/s 0.69m/s
02:00 ☾
0% 13°C 0.2mm 96% 0cm -39° 14°C 0.56mm 0.06kPa 15238m 1.5m/s 1.1m/s
03:00 ☾
0% 13°C 0.25mm 96% 0cm -31° 14°C 0.81mm 0.07kPa 14979m 2.8m/s 1.4m/s
04:00 ☾
0% 13°C 0.21mm 95% 0cm -20° 14°C 0.25mm 0.08kPa 23219m 3m/s 1.7m/s
05:00 ☾
0% 12°C 0.17mm 94% 0cm -8.7° 13°C 0.5mm 0.1kPa 23532m 3m/s 1.8m/s
06:00 ☾
0% 12°C 0.07mm 93% 0cm 3.7° 13°C 0.63mm 0.11kPa 24134m 3.4m/s 2.1m/s
07:00 ☾
0% 12°C 0.11mm 92% 0cm 16° 13°C 0.75mm 0.12kPa 23772m 3.8m/s 2.1m/s
08:00 ☾
0% 12°C 0.19mm 92% 0cm 29° 13°C 0.94mm 0.11kPa 24135m 4.8m/s 2.5m/s
09:00
0% 12°C 0.14mm 92% 0cm 42° 13°C 1.1mm 0.13kPa 24135m 5.4m/s 2.8m/s
10:00
0% 12°C 0.29mm 92% 0cm 54° 13°C 0.88mm 0.11kPa 19946m 5m/s 2.4m/s
11:00
0% 12°C 0.43mm 93% 0cm 64° 13°C 0.63mm 0.1kPa 15757m 4.5m/s 2m/s
12:00
0% 12°C 0.58mm 94% 0cm 71° 13°C 0.38mm 0.09kPa 11567m 4.1m/s 1.7m/s
13:00
0% 12°C 0.44mm 94% 0cm 68° 13°C 0.69mm 0.08kPa 15720m 4.8m/s 1.7m/s
14:00
0% 12°C 0.3mm 95% 0cm 59° 13°C 1mm 0.07kPa 19872m 5.5m/s 1.8m/s
15:00
0% 12°C 0.16mm 96% 0cm 48° 13°C 1.3mm 0.06kPa 24025m 6.2m/s 1.8m/s
16:00
3% 12°C 0.36mm 96% 0cm 35° 12°C 1.2mm 0.06kPa 21370m 5.9m/s 1.9m/s
17:00
5% 11°C 0.56mm 95% 0cm 23° 12°C 1mm 0.06kPa 18715m 5.5m/s 2m/s
18:00
8% 11°C 0.76mm 95% 0cm 10° 12°C 0.88mm 0.06kPa 16060m 5.2m/s 2.1m/s
19:00 ☾
9% 11°C 0.68mm 95% 0cm -2.4° 12°C 1.3mm 0.07kPa 18328m 6.1m/s 2.1m/s
20:00 ☾
9% 12°C 0.6mm 95% 0cm -14° 12°C 1.8mm 0.07kPa 20595m 7m/s 2.2m/s
21:00 ☾
10% 12°C 0.52mm 95% 0cm -25° 13°C 2.2mm 0.07kPa 22863m 7.9m/s 2.2m/s
22:00 ☾
11% 13°C 0.4mm 96% 0cm -35° 13°C 1.9mm 0.07kPa 20180m 8.8m/s 2.4m/s
23:00 ☾
11% 13°C 0.27mm 96% 0cm -42° 14°C 1.6mm 0.06kPa 17496m 9.7m/s 2.5m/s
Sat, Apr 25 Sunrise 05:39 Sunset 18:51
24:00 ☾
12% 14°C 0.15mm 97% 0cm -45° 14°C 1.3mm 0.05kPa 14813m 11m/s 2.6m/s
01:00 ☾
9% 14°C 0.21mm 95% 0cm -44° 15°C 1.7mm 0.09kPa 17920m 11m/s 3m/s
02:00 ☾
6% 14°C 0.28mm 93% 0cm -39° 16°C 2mm 0.13kPa 21027m 11m/s 3.4m/s
03:00 ☾
3% 15°C 0.34mm 91% 0cm -30° 16°C 2.4mm 0.17kPa 24135m 12m/s 3.8m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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