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Rule Northern Lights

Aulanko - Northern Lights - Southern Finland

Hämeenlinna, Kanta-Häme, Finland

Northern Lights photography conditions - combines aurora activity levels with clear skies and proper darkness for optimal viewing.

No opportunities right now
Here’s what usually blocks matches

No Northern Lights opportunities in the next 14 days

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Rule requirements (key thresholds)
Aurora Quality · ≥ 50.0% Solar Elevation · ≤ -8.0° Aurora Activity · ≥ 50.0% Total Cloud Coverage · ≤ 30.0%

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

Most common blockers (next 72 hours)
Aurora Quality 100% failing
Total Cloud Coverage 99% failing
Aurora Activity 63% failing

Currently

Real-time conditions
Kp IndexKp 4 (Unsettled)
Sun Elevation-26.7° (Astronomical night)
Cloud Cover73%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

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 when Southern Finland's rare aurora opportunities align with clear skies and darkness. At 60°N, Helsinki sits at the same latitude as Shetland—aurora displays are visible during strong geomagnetic storms, typically requiring Kp 5 or higher.

What makes Southern Finland special for aurora photography:

  • Helsinki harbor foregrounds - Combine aurora with Suomenlinna fortress, icebreakers, and maritime architecture
  • Lake reflections - The region's 188,000 lakes create mirror shots impossible in landlocked areas
  • Dark sky accessibility - Nuuksio National Park sits just 30km from Helsinki with minimal light pollution
  • Baltic coastline - Porvoo and coastal viewpoints offer unobstructed northern horizons

Peak aurora season runs from September through March. Unlike Finnish Lapland where aurora is frequent, Southern Finland sees displays only during major geomagnetic storms—but when conditions align, the combination of urban foregrounds and lake reflections creates unique compositions unavailable further north. Seek locations outside Helsinki's light dome, particularly Nuuksio's lakes or coastal vantage points east of the city. The forecast helps identify those rare clear nights when strong geomagnetic activity reaches this latitude.

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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
Europe/Helsinki
Aurora Quality
≥ 50.0%
Solar Elevation
≤ -8.0°
Aurora Activity
≥ 50.0%
Total Cloud Coverage
≤ 30.0%
Visibility
≥ 8000.0m
Sun, Feb 22
03:000%-33°18%100%125m
04:000%-27°23%100%125m
05:000%-20°27%100%122m
06:000%-13°26%100%131m
07:000%-5.9°26%100%843m
08:000%1.3°0%100%2962m
09:000%7.4°0%100%1847m
10:000%13°0%100%3437m
11:000%16°0%99%10862m
12:000%19°0%68%24135m
13:000%19°0%5.5%24135m
14:000%17°0%5%24134m
15:000%14°11%5%24135m
16:000%8.6°11%2.7%24135m
17:000%2.6°14%5%24135m
18:000%-4.4°18%5%24135m
19:0040%-12°11%5%24135m
20:0049%-19°28%5%24135m
21:0049%-26°29%5%24135m
22:0050%-32°29%5%24135m
23:0051%-36°32%7.7%23982m
Mon, Feb 23
24:0032%-39°29%37%13316m
01:000%-39°29%79%6547m
02:000%-37°27%95%6547m
03:000%-32°27%100%6547m
04:000%-27°27%73%6547m
05:000%-20°50%96%6547m
06:000%-13°50%94%6548m
07:000%-5.6°50%100%6548m
08:000%1.7°26%100%6548m
09:000%7.7°26%100%24134m
10:000%13°26%88%24135m
11:000%17°26%67%24135m
12:000%19°26%76%24135m
13:000%19°26%54%24135m
14:000%17°11%97%24135m
15:000%14°11%43%24134m
16:000%8.9°11%13%24135m
17:000%2.9°11%34%24135m
18:000%-4.1°11%95%9418m
19:000%-11°11%71%6796m
20:000%-19°11%70%6570m
21:000%-25°11%79%6557m
22:000%-31°11%81%6548m
23:000%-36°26%86%6547m
Tue, Feb 24
24:000%-38°26%98%6549m
01:000%-38°26%86%6551m
02:000%-36°26%97%6549m
03:000%-32°26%100%18122m
04:000%-26°26%100%19506m
05:000%-20°26%100%24134m
06:000%-13°26%100%24135m
07:000%-5.2°26%100%24135m
08:000%11%100%24135m
09:000%8.1°11%100%24135m
10:000%13°11%100%24135m
11:000%17°11%100%24135m
12:000%19°11%100%24134m
13:000%20°11%100%24135m
14:000%18°0%100%24135m
15:000%14°0%100%24135m
16:000%9.2°0%100%24135m
17:000%3.2°0%100%24134m
18:000%-3.8°0%100%24134m
19:000%-11°0%100%22070m
20:000%-18°0%100%24134m
21:000%-25°0%100%8679m
22:000%-31°0%100%8197m
23:000%-35°11%100%7179m
Wed, Feb 25
24:000%-38°11%78%6589m
01:000%-38°11%94%6550m
02:000%-36°61%79%6550m
03:000%-32°61%70%6548m
04:000%-26°61%70%6548m
05:000%-19°61%71%6548m
06:000%-12°61%71%6548m
07:000%-4.9°61%66%6547m
08:000%2.3°61%64%6548m
09:000%8.4°61%76%12410m
10:000%14°61%88%18273m
11:000%18°61%99%24135m
12:000%20°61%100%24135m
13:000%20°61%100%24135m
14:000%18°61%100%24135m
15:000%15°61%100%24135m
16:000%9.5°61%100%24135m
17:000%3.5°61%100%24135m
18:000%-3.5°61%100%24034m
19:000%-11°61%100%23933m
20:000%-18°61%100%23833m
21:000%-25°61%100%16894m
22:000%-31°61%100%9956m
23:000%-35°61%100%3017m
Thu, Feb 26
24:000%-37°61%100%2073m
01:000%-38°61%100%1128m
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

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