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Rule Fire Sky

Takachiho Gorge - Fire Sky - Kyushu

Takachihono Mine, 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 88% failing
Golden Hour 85% failing

Currently

Real-time conditions
Low Cloud Cover0%
Mid Cloud Cover0%
High Cloud Cover0%
Aerosol Optical Depth0.2
Sun Elevation-35.6° (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
0matching hours in the next 81 hours
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
Mon, May 18
13:004.7%0%24135m
14:004.8%0%24134m
15:006.4%0%24135m
16:004.7%0%24135m
17:004.7%0%24135m
18:004.7%0%24135m
19:0040%0%24134m
20:004.7%0%24135m
21:004.7%0%24134m
22:004.7%0%24134m
23:004.9%0%24134m
Tue, May 19
24:004.9%0%24134m
01:005.1%0%24134m
02:005.3%0%24134m
03:005.7%0%24135m
04:0017%3.3%24135m
05:0035%6.7%24135m
06:002.8%10%24135m
07:006.6%40%24134m
08:0011%70%24134m
09:0015%100%24134m
10:005.2%77%24134m
11:0013%54%24134m
12:0015%32%24134m
13:002.6%38%24134m
14:000.9%45%21404m
15:0012%52%24134m
16:0010%56%24134m
17:001%59%24135m
18:0014%63%24135m
19:0030%69%24135m
20:0031%75%24134m
21:0031%80%24134m
22:0014%65%24134m
23:0016%49%24134m
Wed, May 20
24:0015%33%11505m
01:0016%39%24135m
02:0014%46%24134m
03:0013%52%24135m
04:0018%67%24134m
05:0021%82%24134m
06:0016%98%21479m
07:0021%98%24135m
08:0019%99%21446m
09:0024%100%21183m
10:0011%98%21265m
11:0018%96%24135m
12:0025%94%24135m
13:0012%95%14088m
14:0021%96%24135m
15:0032%97%24134m
16:006.8%84%23402m
17:006.3%70%19180m
18:0032%56%23918m
19:0028%51%24135m
20:0016%46%24135m
21:0011%42%24134m
22:0014%37%23392m
23:0011%33%21331m
Thu, May 21
24:0012%28%21236m
01:0016%39%21147m
02:0011%50%21245m
03:0017%61%24134m
04:0011%70%22113m
05:0014%79%20092m
06:0011%88%18071m
07:0011%90%12814m
08:0011%91%7556m
09:008.6%92%2299m
10:000%92%1617m
11:000%91%935m
12:000%90%254m
13:000%91%8214m
14:000%91%16175m
15:000%91%24135m
16:000%73%24135m
17:000%55%24135m
18:000%37%24135m
19:0021%40%23511m
20:000%44%22888m
21:000%47%22264m
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
Mon, May 18 Sunrise 05:17 Sunset 19:08
23:00
0.16 96% 12% 0.03 - 0% 0% 0% 4.9% 0.02 -36° 0seconds
Tue, May 19 Sunrise 05:17 Sunset 19:08
24:00
0.16 96% 12% 0.03 - 0% 0% 0% 3% 0.02 -38° 0seconds
01:00
0.17 97% 10% 0.03 - 0% 0% 0% 3.1% 0.02 -37° 0seconds
02:00
0.19 98% 9% 0.03 - 0% 1% 0% 3.2% 0.02 -32° 0seconds
03:00
0.19 99% 7% 0.03 - 0% 22% 0% 3.3% 0.02 -25° 0seconds
04:00
0.2 93% 9% 0.03 - 0% 7% 0% 3.5% 0.02 -15° 0seconds
05:00
0.21 86% 12% 0.03 - 0% 2% 0% 3.6% 0.02 -4° 0seconds
06:00
0.2 80% 14% 0.03 - 0% 0% 0% 3.8% 0.02 7.8° 0seconds
07:00
0.17 82% 14% 0.03 - 0% 4% 0% 9.2% 0.01 20° 0seconds
08:00
0.16 83% 13% 0.02 - 0% 6% 0% 15% 0.01 33° 0seconds
09:00
0.15 85% 13% 0.02 - 0% 20% 0% 20% 0.01 45° 3600seconds
10:00
0.16 80% 18% 0.02 - 0% 16% 0% 37% 0.01 58° 3600seconds
11:00
0.17 75% 24% 0.02 - 0% 24% 0% 54% 0.01 70° 3600seconds
12:00
0.16 70% 29% 0.02 - 0% 91% 0% 71% 0.01 78° 3600seconds
13:00
0.16 64% 30% 0.02 - 0% 89% 70% 80% 0.01 74° 3600seconds
14:00
0.14 58% 31% 0.01 - 0% 100% 100% 90% 0.01 63° 3600seconds
15:00
0.11 52% 32% 0.01 - 0% 71% 58% 99% 0.01 51° 3600seconds
16:00
0.09 42% 33% 0.01 - 0% 95% 51% 97% 0.009 38° 3600seconds
17:00
0.08 33% 33% 0.008 - 43% 65% 89% 96% 0.009 25° 3600seconds
18:00
0.07 23% 34% 0.008 - 0% 34% 77% 94% 0.009 13° 3600seconds
19:00
0.07 18% 31% 0.007 - 4% 86% 11% 95% 0.009 1.3° 0seconds
20:00
0.07 14% 29% 0.007 - 22% 84% 1% 97% 0.009 -10° 0seconds
21:00
0.07 9% 26% 0.007 - 5% 98% 3% 98% 0.009 -21° 0seconds
22:00
- 6% 20% - - 85% 100% 5% 92% - -29° 0seconds
23:00
- 3% 13% - - 35% 95% 0% 85% - -35° 0seconds
Wed, May 20 Sunrise 05:17 Sunset 19:08
24:00
- 0% 7% - - 2% 100% 4% 79% - -38° 0seconds
01:00
- 0% 7% - - 100% 100% 2% 73% - -37° 0seconds
02:00
- 0% 8% - - 45% 79% 3% 67% - -32° 0seconds
03:00
- 0% 8% - - 56% 92% 0% 61% - -25° 0seconds
04:00
- 0% 7% - - 100% 100% 5% 59% - -15° 0seconds
05:00
- 0% 7% - - 37% 99% 0% 57% - -3.9° 0seconds
06:00
- 0% 6% - - 16% 100% 2% 55% - 7.9° 0seconds
07:00
- 0% 6% - - 22% 100% 0% 51% - 20° 0seconds
08:00
- 0% 5% - - 5% 100% 0% 48% - 33° 0seconds
09:00
- 0% 5% - - 19% 99% 2% 44% - 45° 0seconds
10:00
- 1% 10% - - 5% 93% 2% 48% - 58° 3600seconds
11:00
- 2% 15% - - 38% 67% 3% 52% - 70° 3600seconds
12:00
- 3% 20% - - 31% 46% 0% 56% - 78° 3600seconds
13:00
- 2% 18% - - 0% 23% 0% 58% - 74° 3600seconds
14:00
- 2% 17% - - 3% 19% 0% 61% - 63° 3600seconds
15:00
- 1% 15% - - 0% 62% 3% 64% - 51° 3600seconds
16:00
- 4% 19% - - 85% 50% 0% 62% - 38° 3600seconds
17:00
- 6% 22% - - 100% 23% 5% 60% - 26° 3600seconds
18:00
- 9% 26% - - 88% 20% 5% 57% - 13° 3600seconds
19:00
- 6% 23% - - 100% 36% 84% 61% - 1.4° 3600seconds
20:00
- 4% 20% - - 100% 52% 5% 65% - -10° 3600seconds
21:00
- 1% 17% - - 100% 90% 13% 68% - -20° 3600seconds
22:00
- 1% 14% - - 100% 88% 51% 57% - -29° 0seconds
23:00
- 0% 11% - - 100% 86% 60% 45% - -35° 0seconds
Thu, May 21 Sunrise 05:16 Sunset 19:09
24:00
- 0% 8% - - 100% 61% 81% 33% - -38° 0seconds
01:00
- 0% 7% - - 99% 37% 58% 55% - -37° 0seconds
02:00
- 0% 6% - - 100% 37% 98% 76% - -32° 0seconds
03:00
- 0% 5% - - 100% 73% 79% 97% - -24° 0seconds
04:00
- 0% 4% - - 100% 82% 82% 98% - -15° 0seconds
05:00
- 0% 3% - - 100% 91% 84% 99% - -3.8° 0seconds
06:00
- 0% 2% - - 100% 100% 86% 100% - 0seconds
07:00
- 0% 2% - - 100% 100% 90% 99% - 20° 0seconds
08:00
- 0% 1% - - 100% 100% 94% 99% - 33° 0seconds
09:00
- 0% 1% - - 100% 100% 98% 98% - 45° 0seconds
10:00
- 0% 1% - - 100% 88% 66% 95% - 58° 0seconds
11:00
- 0% 0% - - 100% 76% 34% 91% - 70° 0seconds
12:00
- 0% 0% - - 100% 64% 1% 88% - 78° 0seconds
13:00
- 0% 0% - - 100% 57% 1% 63% - 74° 0seconds
14:00
- 0% 1% - - 100% 49% 0% 38% - 63° 0seconds
15:00
- 0% 1% - - 100% 42% 0% 13% - 51° 0seconds
16:00
- 1% 7% - - 100% 37% 0% 12% - 38° 0seconds
17:00
- 3% 13% - - 100% 33% 0% 12% - 26° 0seconds
18:00
- 4% 19% - - 100% 29% 0% 12% - 13° 0seconds
19:00
- 3% 18% - - 100% 29% 0% 13% - 1.5° 0seconds
20:00
- 2% 16% - - 100% 29% 0% 13% - -10° 0seconds
21:00
- 1% 15% - - 100% 29% 0% 14% - -20° 0seconds
22:00
- 1% 16% - - 87% 35% 0% 19% - -29° 0seconds
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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