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Rule Northern Lights

Aurora at the Glacier Lagoon

Iceland

Get notified when aurora activity peaks under clear, dark skies—ideal conditions for capturing the Northern Lights.

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
Next opportunity
Northern Lights
Tomorrow · 01:00–02:00 · 1h window
Medium confidence
45%
Northern Lights
Tue, Jan 13 · 18:00–09:00
High
Northern Lights
Wed, Jan 14 · 09:00–10:00
Medium
Northern Lights
Wed, Jan 14 · 18:00–24:00
High

What this forecast looks for

Plain-language explanation from the rule

Aurora Quality combines multiple factors to predict northern lights visibility:

  • Geomagnetic Activity (Kp Index): Higher Kp means stronger aurora
  • Cloud Cover: Clear skies are essential for viewing
  • Moon Phase: Less moonlight means darker skies
  • Location Latitude: Higher latitudes see aurora more frequently

The score ranges from 0-100%, where 60%+ indicates good aurora conditions.

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72-hour requirements breakdown

What passed or failed, hour by hour
1matching hours in the next 72 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Aurora Quality
≥ 50.0%
Fri, Jan 9
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%
Sat, Jan 10
24:000%
01:0052%
02:000%
03:000%
04:000%
05:000%
06:000%
07:0041%
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%
Sun, Jan 11
24:000%
01:000%
02:000%
03:000%
04:0027%
05:000%
06:000%
07:000%
08:0034%
09:0027%
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, Jan 12
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Aurora Quality 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
Atlantic/Reykjavik
Aurora Activity
%
OVATION Aurora Probability
%
Solar Elevation
°
Total Cloud Coverage
%
Visibility
m
Fri, Jan 9 Sunrise 10:44 Sunset 15:40
07:00
35% 7% -21° 100% 50000m
08:00
35% 7% -15° 100% 50000m
09:00
63% - -8.8° 100% 50000m
10:00
63% - -3.7° 100% 50000m
11:00
63% - 0.57° 100% 50000m
12:00
42% - 3° 100% 50000m
13:00
42% - 4° 100% 49620m
14:00
42% - 3.6° 100% 45240m
15:00
20% - 1.7° 100% 43920m
16:00
20% - -1.9° 100% 45600m
17:00
20% - -6.6° 100% 50000m
18:00
20% - -12° 100% 49500m
19:00
20% - -18° 100% 49220m
20:00
20% - -25° 100% 50000m
21:00
34% - -31° 100% 44280m
22:00
34% - -37° 100% 45240m
23:00
34% - -43° 100% 45560m
Sat, Jan 10 Sunrise 10:42 Sunset 15:42
24:00
34% - -46° 100% 50000m
01:00
34% - -48° 8% 47040m
02:00
34% - -47° 94% 50000m
03:00
42% - -44° 89% 46640m
04:00
42% - -40° 100% 50000m
05:00
42% - -34° 100% 42720m
06:00
26% - -28° 95% 50000m
07:00
26% - -21° 22% 45600m
08:00
26% - -15° 55% 50000m
09:00
20% - -8.7° 97% 50000m
10:00
20% - -3.6° 77% 47340m
11:00
20% - 0.68° 85% 50000m
12:00
11% - 3.1° 99% 44380m
13:00
11% - 4.2° 100% 48360m
14:00
11% - 3.7° 27% 50000m
15:00
7.6% - 1.8° 92% 50000m
16:00
7.6% - -1.7° 100% 50000m
17:00
7.6% - -6.5° 100% 50000m
18:00
11% - -12° 100% 46480m
19:00
11% - -18° 100% 50000m
20:00
11% - -25° 100% 46440m
21:00
15% - -31° 100% 42160m
22:00
15% - -37° 100% 40500m
23:00
15% - -42° 100% 39440m
Sun, Jan 11 Sunrise 10:40 Sunset 15:45
24:00
15% - -46° 100% 40060m
01:00
15% - -48° 100% 50000m
02:00
15% - -47° 100% 50000m
03:00
7.6% - -44° 100% 50000m
04:00
7.6% - -40° 32% 50000m
05:00
7.6% - -34° 99% 35540m
06:00
11% - -27° 100% 37200m
07:00
11% - -21° 100% 37340m
08:00
11% - -14° 26% 50000m
09:00
11% - -8.6° 26% 29010m
10:00
11% - -3.5° 50% 25330m
11:00
11% - 0.79° 75% 13250m
12:00
15% - 3.2° 99% 4840m
13:00
15% - 4.3° 95% 1780m
14:00
15% - 3.9° 99% 420m
15:00
11% - 2° 100% 420m
16:00
11% - -1.5° 100% 300m
17:00
11% - -6.3° 100% 240m
18:00
11% - -12° 100% 380m
19:00
11% - -18° 100% 580m
20:00
11% - -25° 100% 1260m
21:00
11% - -31° 100% 3340m
22:00
11% - -37° 100% 2580m
23:00
11% - -42° 100% 9980m
Mon, Jan 12 Sunrise 10:38 Sunset 15:48
24:00
20% - -46° 100% 2200m
01:00
20% - -48° 100% 440m
02:00
20% - -47° 100% 340m
03:00
20% - -44° 100% 420m
04:00
20% - -39° 100% 1700m
05:00
20% - -34° 100% 45620m
06:00
20% - -27° 100% 54940m
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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