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Rule Fire Sky

Sakurajima - Fire Sky - Kyushu

Kagoshima, Kagoshima, Japan

Those rare, intensely red and orange sunset skies

No opportunities right now
Here’s what usually blocks matches

No Fire Sky opportunities in the next 14 days

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Rule requirements (key thresholds)
Golden Hour · Any Fiery Red Sky Potential · ≥ 65.0% Precipitation Chance · ≤ 15.0% Visibility · ≥ 8000.0m

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fiery Red Sky Potential 100% failing
Precipitation Chance 93% failing
Golden Hour 83% failing

Currently

Real-time conditions
Low Cloud Cover0%
Mid Cloud Cover53%
High Cloud Cover95%
Aerosol Optical Depth0.2dimensionless
Sun Elevation-21.0° (Astronomical night)

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 tracks dramatic sunset and twilight conditions across Kyushu's volcanic landscapes and subtropical coasts. We analyze cloud formations, volcanic haze, atmospheric instability, and weather systems to predict when active volcanoes and ocean horizons create spectacular fire-sky photography.

Kyushu's active volcanism, subtropical weather, and coastal exposure create exceptional fire-sky conditions. Volcanic ash from Sakurajima and Mount Aso adds atmospheric particles enhancing sunset colors. Weather systems from the East China Sea and Pacific interact with volcanic peaks creating dynamic cloud formations. Coastal locations provide unobstructed ocean horizons for dramatic twilight.

What makes Kyushu fire-sky photography special:

  • Active volcano twilight - Sakurajima erupting against sunset creates silhouettes with ash plumes illuminated by fading light
  • Volcanic atmospheric enhancement - Fine volcanic ash particles scatter light creating intensified orange and red sunset conditions
  • Subtropical cloud drama - Warm humid air masses create towering cumulus formations at sunset over volcanic peaks
  • Ocean horizon fire - Unobstructed Pacific and East China Sea horizons provide dramatic sunset compositions

Sakurajima from Kagoshima waterfront provides Kyushu's most dramatic fire-sky photography—the volcano erupts multiple times daily, and evening eruptions with ash plumes backlit against sunset create extraordinary conditions. Mount Aso's caldera rim at sunset offers westward views over volcanic bowl with setting sun illuminating crater walls. Nagasaki harbor at twilight combines hillside city lights with dramatic western skies. Aoshima shrine island provides Pacific sunset with distinctive washboard rock formations. Autumn after typhoon season and winter provide reliable fire-sky conditions. Volcanic haze generally enhances rather than obscures sunset colors.

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72-hour requirements breakdown

What passed or failed, hour by hour
1matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Golden Hour
Any
Fiery Red Sky Potential
≥ 65.0%
Precipitation Chance
≤ 15.0%
Visibility
≥ 8000.0m
Tue, Apr 21
04:0032%0%24135m
05:0012%0%24134m
06:0062%0%24134m
07:0013%0%24135m
08:0016%0%24134m
09:0027%0%24134m
10:0034%0%24135m
11:0034%0%24135m
12:0015%0%24134m
13:0026%13%24135m
14:0028%26%24134m
15:0014%39%24135m
16:0013%0%24134m
17:0012%0%24135m
18:0013%0%24135m
19:0068%0%24134m
20:0014%0%24135m
21:0012%0%24135m
22:0012%0%24134m
23:0019%0%24134m
Wed, Apr 22
24:0014%0%24134m
01:0013%0%24134m
02:0013%0%24135m
03:0029%0%24134m
04:0040%0%24134m
05:0034%0%24134m
06:0051%0%24134m
07:006%14%24134m
08:006.5%29%24135m
09:006.4%43%24134m
10:007.4%61%24135m
11:0021%79%24134m
12:0011%97%24135m
13:0011%98%24134m
14:0011%99%24135m
15:0011%100%24134m
16:0012%99%24134m
17:0013%99%22152m
18:0011%98%12407m
19:009.5%99%7992m
20:008%99%7859m
21:009.7%100%8968m
22:009.7%99%6898m
23:009.5%99%6963m
Thu, Apr 23
24:009.2%98%10259m
01:009.6%98%5885m
02:009%98%7645m
03:008.3%98%6991m
04:008.4%78%2693m
05:007.6%58%788m
06:009.3%37%1013m
07:009.9%46%7030m
08:0012%55%13659m
09:0012%64%24134m
10:0013%57%8226m
11:0016%51%707m
12:0015%44%24135m
13:0019%43%24135m
14:009.1%43%10265m
15:0018%42%24135m
16:0015%37%24135m
17:0016%33%24134m
18:0024%28%24135m
19:0049%30%24135m
20:0028%32%24135m
21:0025%35%24134m
22:0020%38%24135m
23:0025%42%24135m
Fri, Apr 24
24:0013%46%24134m
01:0013%50%23547m
02:0017%54%24134m
03:0012%58%24134m
04:0019%60%24134m
05:0011%62%22934m
06:0013%64%24134m
07:0012%64%23780m
08:001.4%64%23336m
09:0017%64%24135m
10:000%58%23154m
11:000%51%22173m
12:000%44%21192m
13:000%52%17924m
14:000%59%14655m
15:000%67%11387m
16:000%56%13873m
17:000%45%16359m
18:000%35%18845m
19:002%39%20609m
20:000%44%22372m
21:000%49%24135m
22:000%38%20726m
23:000%27%17316m
Sat, Apr 25
24:000%16%13907m
01:000%16%17167m
02:000%16%20426m
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fiery Red Sky Potential 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
Aerosol Optical Depth (550nm)
Clear Sky Probability (Ensemble)
%
Cloud Cover Uncertainty (Ensemble)
%
Dust AOD (550nm)
Golden Hour
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
RH @ 700 hPa
%
Smoke AOD (550nm)
Solar Elevation
°
Sunshine Duration
seconds
Wed, Apr 22 Sunrise 05:43 Sunset 18:50
04:00
0.2 2% 12% 0.03 - 95% 0% 53% 45% 0.03 -21° 0seconds
05:00
0.22 4% 16% 0.04 - 100% 0% 6% 53% 0.03 -9.4° 0seconds
06:00
0.28 6% 21% 0.04 - 100% 2% 59% 62% 0.04 3.1° 0seconds
07:00
0.33 4% 20% 0.04 - 100% 6% 100% 66% 0.03 16° 0seconds
08:00
0.34 3% 18% 0.03 - 74% 5% 100% 69% 0.03 28° 0seconds
09:00
0.34 1% 17% 0.03 - 100% 10% 71% 73% 0.03 41° 0seconds
10:00
0.36 1% 16% 0.02 - 100% 47% 67% 72% 0.03 53° 3600seconds
11:00
0.35 1% 16% 0.02 - 100% 67% 96% 70% 0.02 64° 3600seconds
12:00
0.28 1% 15% 0.02 - 100% 100% 100% 69% 0.02 70° 3600seconds
13:00
0.25 1% 12% 0.02 - 100% 100% 100% 79% 0.02 68° 3600seconds
14:00
0.3 0% 10% 0.02 - 100% 100% 100% 90% 0.02 59° 3600seconds
15:00
0.43 0% 7% 0.02 - 100% 100% 100% 100% 0.02 48° 3600seconds
16:00
0.58 0% 5% 0.02 - 55% 100% 100% 100% 0.02 35° 0seconds
17:00
0.41 0% 2% 0.01 - 58% 100% 100% 100% 0.02 23° 0seconds
18:00
0.41 0% 0% 0.01 - 48% 100% 100% 100% 0.02 9.9° 0seconds
19:00
0.29 0% 0% 0.008 - 100% 100% 100% 100% 0.01 -2.5° 0seconds
20:00
0.18 0% 0% 0.005 - 100% 100% 100% 100% 0.01 -15° 0seconds
21:00
0.12 0% 0% 0.004 - 100% 100% 100% 100% 0.008 -26° 0seconds
22:00
0.1 0% 0% 0.003 - 100% 100% 100% 100% 0.006 -35° 0seconds
23:00
0.1 0% 0% 0.002 - 100% 100% 100% 100% 0.006 -42° 0seconds
Thu, Apr 23 Sunrise 05:42 Sunset 18:50
24:00
0.09 0% 0% 0.001 - 100% 100% 100% 100% 0.006 -46° 0seconds
01:00
0.11 0% 0% 0.001 - 100% 100% 100% 100% 0.005 -45° 0seconds
02:00
0.12 0% 0% 0.001 - 100% 100% 100% 99% 0.006 -40° 0seconds
03:00
0.15 0% 0% 0.002 - 100% 100% 100% 99% 0.01 -31° 0seconds
04:00
0.17 0% 0% 0.002 - 100% 100% 100% 98% 0.01 -21° 0seconds
05:00
0.14 0% 0% 0.002 - 100% 100% 100% 96% 0.01 -9.1° 0seconds
06:00
0.13 0% 0% 0.002 - 100% 100% 92% 94% 0.01 3.3° 0seconds
07:00
0.11 0% 0% 0.002 - 100% 100% 82% 92% 0.01 16° 0seconds
08:00
0.1 0% 0% 0.001 - 100% 100% 49% 90% 0.009 29° 0seconds
09:00
0.08 0% 0% 0.002 - 100% 100% 100% 88% 0.008 41° 0seconds
10:00
- 0% 1% - - 82% 100% 48% 92% - 53° 0seconds
11:00
- 0% 1% - - 100% 100% 18% 96% - 64° 0seconds
12:00
- 0% 2% - - 100% 100% 89% 100% - 71° 0seconds
13:00
- 0% 4% - - 100% 100% 20% 98% - 68° 0seconds
14:00
- 0% 6% - - 83% 100% 5% 97% - 59° 0seconds
15:00
- 0% 8% - - 10% 95% 7% 95% - 48° 0seconds
16:00
- 1% 11% - - 0% 100% 44% 93% - 35° 3600seconds
17:00
- 1% 15% - - 100% 100% 8% 91% - 23° 0seconds
18:00
- 2% 18% - - 26% 96% 10% 90% - 10° 0seconds
19:00
- 1% 16% - - 58% 89% 5% 90% - -2.4° 0seconds
20:00
- 1% 14% - - 100% 80% 5% 91% - -14° 0seconds
21:00
- 0% 12% - - 100% 80% 5% 92% - -25° 0seconds
22:00
- 1% 14% - - 100% 82% 4% 93% - -35° 0seconds
23:00
- 2% 15% - - 56% 82% 5% 94% - -42° 0seconds
Fri, Apr 24 Sunrise 05:41 Sunset 18:51
24:00
- 3% 17% - - 90% 91% 54% 94% - -46° 0seconds
01:00
- 2% 15% - - 100% 93% 43% 96% - -45° 0seconds
02:00
- 2% 14% - - 95% 88% 7% 97% - -39° 0seconds
03:00
- 1% 12% - - 5% 90% 5% 99% - -31° 0seconds
04:00
- 1% 10% - - 5% 100% 41% 97% - -20° 0seconds
05:00
- 0% 7% - - 5% 100% 85% 96% - -8.9° 0seconds
06:00
- 0% 5% - - 1% 100% 81% 94% - 3.5° 0seconds
07:00
- 0% 7% - - 1% 100% 84% 95% - 16° 0seconds
08:00
- 0% 8% - - 0% 100% 11% 96% - 29° 0seconds
09:00
- 0% 10% - - 3% 100% 28% 97% - 41° 0seconds
10:00
- 0% 11% - - 4% 100% 37% 98% - 54° 0seconds
11:00
- 1% 11% - - 4% 100% 46% 99% - 64° 0seconds
12:00
- 1% 12% - - 5% 100% 56% 100% - 71° 0seconds
13:00
- 1% 12% - - 37% 100% 70% 96% - 69° 0seconds
14:00
- 0% 13% - - 68% 100% 85% 92% - 60° 0seconds
15:00
- 0% 13% - - 100% 100% 100% 88% - 48° 0seconds
16:00
- 2% 16% - - 100% 100% 100% 92% - 36° 0seconds
17:00
- 3% 20% - - 100% 100% 100% 95% - 23° 0seconds
18:00
- 5% 23% - - 100% 100% 100% 99% - 10° 0seconds
19:00
- 6% 24% - - 94% 100% 78% 99% - -2.2° 0seconds
20:00
- 6% 24% - - 87% 100% 57% 99% - -14° 0seconds
21:00
- 7% 25% - - 81% 100% 35% 100% - -25° 0seconds
22:00
- 10% 28% - - 87% 100% 57% 100% - -35° 0seconds
23:00
- 13% 30% - - 94% 100% 78% 99% - -42° 0seconds
Sat, Apr 25 Sunrise 05:40 Sunset 18:52
24:00
- 16% 33% - - 100% 100% 100% 99% - -45° 0seconds
01:00
- 14% 31% - - 100% 100% 100% 99% - -44° 0seconds
02:00
- 12% 30% - - 100% 100% 100% 99% - -39° 0seconds
03:00
- 10% 28% - - 100% 100% 100% 99% - -31° 0seconds
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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