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G2Peak 16 April 2015 at 21:00 UTC

Northern Lights on 16 April 2015 (Kp 6): Where They Were Visible

Kp reached 6. At that level the edge of the auroral oval reaches about 54.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 50.0°. Activity stayed at storm level (Kp 5 or more) for 12 hours.

03579 G1 G3 Wed 15 Apr 18:00 UTC · Kp 4.67 Wed 15 Apr 21:00 UTC · Kp 3.67 Thu 16 Apr 00:00 UTC · Kp 4.67 Thu 16 Apr 03:00 UTC · Kp 4.67 Thu 16 Apr 06:00 UTC · Kp 4.67 Thu 16 Apr 09:00 UTC · Kp 4.33 Thu 16 Apr 12:00 UTC · Kp 3.67 Thu 16 Apr 15:00 UTC · Kp 4.00 Thu 16 Apr 18:00 UTC · Kp 5.33 Thu 16 Apr 21:00 UTC · Kp 6.00 Fri 17 Apr 00:00 UTC · Kp 5.00 Fri 17 Apr 03:00 UTC · Kp 4.67 Fri 17 Apr 06:00 UTC · Kp 4.00 Fri 17 Apr 09:00 UTC · Kp 3.00 Fri 17 Apr 12:00 UTC · Kp 3.00 Fri 17 Apr 15:00 UTC · Kp 3.00 Fri 17 Apr 18:00 UTC · Kp 2.67 Fri 17 Apr 21:00 UTC · Kp 2.00 Sat 18 Apr 00:00 UTC · Kp 2.67 Sat 18 Apr 03:00 UTC · Kp 2.00 Thu 16 AprFri 17 AprSat 18 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

1,676 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
Canada 352 Toronto, Montreal, Calgary, Ottawa Hamilton
United Kingdom 345 Glasgow, Manchester, Leeds, Edinburgh Manchester
United States 250 Milwaukee, Minneapolis, Saint Paul, Anchorage Racine
Sweden 148 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Denmark 94 Copenhagen, Aarhus, Odense, Aalborg Nykøbing Falster
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Poland 64 Gdańsk, Gdynia, Olsztyn, Elbląg Chojnice
Germany 56 Kiel, Lübeck, Rostock, Flensburg Norderstedt
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Ireland 37 Dublin, Galway, Tallaght, Drogheda Dublin
Lithuania 31 Vilnius, Kaunas, Klaipeda City Municipality, Šiauliai Druskininkai
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Australia 7 Hobart, Launceston, Devonport, Burnie Burnie
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Kazakhstan 3 Kostanay, Petropavl, Kokshetau Kostanay
New Zealand 1 Stewart Island/Rakiura (Oban) Stewart Island/Rakiura (Oban)
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

3,034 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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