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G1Peak 12 April 2005 at 00:00 UTC

Northern Lights on 12 April 2005 (Kp 5): Where They Were Visible

Kp reached 5. At that level the edge of the auroral oval reaches about 56.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 52.0°. Activity stayed at storm level (Kp 5 or more) for 6 hours.

03579 G1 G3 Mon 11 Apr 00:00 UTC · Kp 1.33 Mon 11 Apr 03:00 UTC · Kp 1.67 Mon 11 Apr 06:00 UTC · Kp 0.00 Mon 11 Apr 09:00 UTC · Kp 0.67 Mon 11 Apr 12:00 UTC · Kp 1.00 Mon 11 Apr 15:00 UTC · Kp 3.00 Mon 11 Apr 18:00 UTC · Kp 4.00 Mon 11 Apr 21:00 UTC · Kp 4.00 Tue 12 Apr 00:00 UTC · Kp 5.00 Tue 12 Apr 03:00 UTC · Kp 5.00 Tue 12 Apr 06:00 UTC · Kp 3.33 Tue 12 Apr 09:00 UTC · Kp 3.33 Tue 12 Apr 12:00 UTC · Kp 4.33 Tue 12 Apr 15:00 UTC · Kp 2.67 Tue 12 Apr 18:00 UTC · Kp 4.33 Tue 12 Apr 21:00 UTC · Kp 4.33 Wed 13 Apr 00:00 UTC · Kp 2.67 Wed 13 Apr 03:00 UTC · Kp 4.33 Mon 11 AprTue 12 AprWed 13 Apr
Kp 0–3 Kp 4 Kp 5–6 (G1–G2) Kp 7+ (G3+) Times in UTC; faded bars are forecasts.

Three-hourly Kp from GFZ, one day either side of the storm.

Where the aurora could be seen

1,314 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 367 Seattle, Milwaukee, Minneapolis, Saint Paul Yakima
Canada 359 Toronto, Montreal, Calgary, Ottawa Hamilton
Sweden 141 Stockholm, Gothenburg, Malmö, Uppsala Oxie
United Kingdom 103 Glasgow, Edinburgh, Aberdeen, Dundee Ashington
Finland 99 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Denmark 75 Copenhagen, Aarhus, Aalborg, Frederiksberg Esbjerg
Norway 63 Oslo, Bergen, Trondheim, Stavanger Mandal
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Lithuania 18 Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai Utena
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Ireland 1 Letterkenny Letterkenny
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,365 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.

Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.

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