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Rule Northern Lights

Chena Hot Springs - Northern Lights - Alaska

Chena Hot Springs, Alaska, United States

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

Currently

Real-time conditions
Kp IndexKp 3 (Quiet)
Sun Elevation30.2° (Daylight)
Cloud Cover100%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Anchorage
aurora weather icon
Next opportunity
Excellent Chance of Aurora
Chena Hot Springs
Thu, Apr 30 · 01:00–03:00 · 2h window
Low confidence
30%
🌌Aurora Quality86.4-87.5%
Kp Index: Kp 5 (Minor Storm)
Sun Elevation: -9.7° (Nautical twilight)
Cloud Cover: 5%
aurora weather icon
Excellent Chance of Aurora at Dawn
Chena Hot Springs
Thu, Apr 30 · 03:00–04:00
🌌Aurora Quality:82.5%
Medium

What this forecast looks for

Plain-language explanation from the rule

This forecast answers the question every aurora photographer asks: "Can I actually see the aurora tonight?" Unlike simple Kp forecasts, we combine NOAA's OVATION aurora model with real-time cloud cover, visibility, and darkness data to predict true viewing conditions.

Alaska's interior sits directly under the auroral oval, making it one of the world's most reliable aurora viewing destinations. Fairbanks, in particular, experiences aurora activity on roughly 240 nights per year—more than almost anywhere else accessible by road.

What makes Alaska special for aurora photography:

  • Auroral oval position - Fairbanks sits at the ideal 65°N latitude, directly under the oval's typical position
  • Extreme darkness - Winter nights can last 18+ hours, maximizing viewing opportunities
  • Dramatic foregrounds - Snow-covered mountains, frozen rivers, and boreal forests create stunning compositions
  • Research heritage - The University of Alaska Fairbanks Geophysical Institute provides world-class aurora forecasting

Best conditions typically occur September through March, with peak activity during the equinox months. The interior's continental climate means clearer skies than coastal areas, though temperatures can plunge well below -30°C. Dress accordingly and keep camera batteries warm.

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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
America/Anchorage
Aurora Quality
≥ 50.0%
Solar Elevation
≤ -8.0°
Aurora Activity
≥ 50.0%
Total Cloud Coverage
≤ 30.0%
Visibility
≥ 8000.0m
Mon, Apr 20
11:000%30°22%100%2330m
12:000%34°22%100%856m
13:000%36°17%100%2614m
14:000%37°17%96%4284m
15:000%35°17%98%5418m
16:000%32°29%100%7561m
17:000%27°30%100%19251m
18:000%21°34%100%20957m
19:000%15°54%100%13526m
20:000%57%100%22903m
21:000%3.1°55%100%18636m
22:000%-2.5°38%100%1018m
23:000%-7.2°31%100%132m
Tue, Apr 21
24:000%-11°32%100%110m
01:000%-13°31%100%111m
02:000%-13°35%100%379m
03:000%-12°38%100%1257m
04:000%-8.8°100%100%376m
05:000%-4.6°100%100%100m
06:000%0.94°100%100%187m
07:000%6.6°47%100%195m
08:000%13°46%100%9202m
09:000%19°43%100%119m
10:000%25°23%100%159m
11:000%30°23%100%1206m
12:000%34°23%97%14291m
13:000%37°12%100%24134m
14:000%37°12%100%24134m
15:000%35°12%100%24135m
16:000%32°17%34%20994m
17:000%27°17%13%24135m
18:000%22°17%17%22613m
19:000%16°8.3%48%23276m
20:000%9.3°8.3%66%24134m
21:000%3.4°8.3%61%24135m
22:000%-2.2°12%52%9800m
23:000%-6.9°12%85%6140m
Wed, Apr 22
24:000%-10°12%99%5582m
01:000%-12°8.3%100%4612m
02:000%-13°8.3%100%2042m
03:000%-11°8.3%99%2314m
04:000%-8.4°8.3%95%4574m
05:000%-4.2°8.3%100%5351m
06:000%1.2°8.3%100%5754m
07:000%6.9°12%100%6739m
08:000%13°12%100%19771m
09:000%19°12%99%24134m
10:000%25°8.3%100%24134m
11:000%30°8.3%100%24134m
12:000%35°8.3%100%24134m
13:000%37°8.3%97%24135m
14:000%37°8.3%100%24135m
15:000%36°8.3%96%24135m
16:000%32°5.4%80%24134m
17:000%28°5.4%100%24135m
18:000%22°5.4%100%24135m
19:000%16°3.2%60%24135m
20:000%9.6°3.2%100%24135m
21:000%3.7°3.2%100%24135m
22:000%-1.9°3.2%100%24135m
23:000%-6.6°3.2%100%24135m
Thu, Apr 23
24:000%-10°3.2%100%24134m
01:000%-12°3.2%100%24135m
02:000%-12°3.2%100%24135m
03:000%-11°3.2%100%24135m
04:000%-8.1°3.2%100%11173m
05:000%-3.9°3.2%96%1883m
06:000%1.5°3.2%98%15193m
07:000%7.2°3.2%99%20573m
08:000%13°3.2%96%24135m
09:000%20°3.2%95%24134m
10:000%26°5.4%100%24134m
11:000%31°5.4%100%24134m
12:000%35°5.4%100%8500m
13:000%37°5.4%100%62m
14:000%38°5.4%99%27m
15:000%36°5.4%100%32m
16:000%33°22%100%101m
17:000%28°22%100%8112m
18:000%22°22%100%16124m
19:000%16°22%100%24135m
20:000%9.9°22%99%23354m
21:000%3.9°22%98%22573m
22:000%-1.5°22%97%21793m
23:000%-6.3°22%98%19662m
Fri, Apr 24
24:000%-9.7°22%99%17531m
01:000%-12°22%100%15400m
02:000%-12°22%100%10340m
03:000%-11°22%100%5279m
04:000%-7.8°22%100%219m
05:000%-3.6°22%100%154m
06:000%1.8°22%100%88m
07:000%7.5°22%100%23m
08:000%14°22%100%63m
09:000%20°22%100%103m
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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