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Rule Northern Lights

Girdwood - Northern Lights - Alaska

Girdwood, Alaska, United States

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
Aurora Activity 100% failing
Total Cloud Coverage 92% failing

Currently

Real-time conditions
Kp IndexKp 2 (Quiet)
Sun Elevation15.2° (Daylight)
Cloud Cover0%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Anchorage

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 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
Tue, Mar 3
16:000%15°0%14%24134m
17:000%9.2°0%7.5%24134m
18:000%2.7°0%4.6%24135m
19:000%-4.5°26%0.3%24134m
20:0048%-12°26%0.6%24134m
21:0042%-19°14%0.6%24134m
22:0043%-25°16%0.1%24135m
23:0049%-30°28%0%24135m
Wed, Mar 4
24:0049%-34°28%0%24134m
01:0047%-35°24%2.4%24135m
02:0044%-35°18%2.4%24134m
03:0042%-32°14%3%24134m
04:000%-27°8%40%24134m
05:000%-21°0%46%24134m
06:000%-14°0%38%24135m
07:000%-6.4°0%4.7%24135m
08:000%1.1°0%4.3%24135m
09:000%7.7°0%2.5%24135m
10:000%14°0%2.5%24135m
11:000%18°0%0.1%24134m
12:000%22°0%0%24134m
13:000%23°0%0%24135m
14:000%22°0%0%24135m
15:000%20°0%0%24134m
16:000%15°0%0%24135m
17:000%9.5°0%2.6%24134m
18:000%0%2.9%24134m
19:000%-4.2°0%15%24134m
20:000%-12°0%21%23285m
21:000%-19°0%40%22977m
22:000%-25°0%59%10683m
23:000%-30°0%55%6359m
Thu, Mar 5
24:000%-34°0%99%5362m
01:000%-35°0%100%5027m
02:000%-34°0%100%5163m
03:000%-31°0%100%5058m
04:000%-26°0%100%4276m
05:000%-20°0%100%5277m
06:000%-13°0%100%6546m
07:000%-6.1°0%100%6094m
08:000%1.5°0%100%1555m
09:000%0%100%775m
10:000%14°0%100%549m
11:000%19°0%100%1560m
12:000%22°20%100%4481m
13:000%23°20%100%6608m
14:000%23°20%100%8305m
15:000%20°41%99%6695m
16:000%15°41%81%9369m
17:000%9.8°41%96%6125m
18:000%3.3°41%100%4773m
19:000%-3.9°41%100%1720m
20:000%-11°41%100%828m
21:000%-18°20%100%4232m
22:000%-25°20%100%5700m
23:000%-30°20%100%1190m
Fri, Mar 6
24:000%-33°20%100%241m
01:000%-35°20%100%336m
02:000%-34°20%100%587m
03:000%-31°15%100%1437m
04:000%-26°15%100%1053m
05:000%-20°15%100%810m
06:000%-13°11%100%207m
07:000%-5.7°11%100%276m
08:000%1.8°11%100%428m
09:000%8.4°15%100%334m
10:000%14°15%100%359m
11:000%19°15%94%642m
12:000%22°41%87%584m
13:000%24°41%72%4018m
14:000%23°41%100%1976m
15:000%20°0%98%1814m
16:000%16°0%100%809m
17:000%10°0%100%92m
18:000%3.7°0%100%67m
19:000%-3.6°0%100%57m
20:000%-11°0%100%56m
21:000%-18°0%100%87m
22:000%-24°0%99%120m
23:000%-29°0%98%152m
Sat, Mar 7
24:000%-33°0%97%185m
01:000%-34°0%98%470m
02:000%-33°0%99%755m
03:000%-30°0%100%1040m
04:000%-26°0%100%729m
05:000%-19°0%100%419m
06:000%-13°0%100%108m
07:000%-5.3°0%100%152m
08:000%2.1°0%100%196m
09:000%8.8°0%100%240m
10:000%15°0%100%6232m
11:000%20°0%100%12224m
12:000%23°0%100%18215m
13:000%24°0%96%16617m
14:000%23°0%92%15019m
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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