AuroraMeteo
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G3Peak 22 July 2004 at 21:00 UTC

Northern Lights on 22 July 2004 (Kp 7): Where They Were Visible

Kp reached 7. At that level the edge of the auroral oval reaches about 52.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 48.0°. Activity stayed at storm level (Kp 5 or more) for 24 hours.

03579 G1 G3 Wed 21 Jul 18:00 UTC · Kp 0.33 Wed 21 Jul 21:00 UTC · Kp 0.67 Thu 22 Jul 00:00 UTC · Kp 1.00 Thu 22 Jul 03:00 UTC · Kp 0.33 Thu 22 Jul 06:00 UTC · Kp 0.33 Thu 22 Jul 09:00 UTC · Kp 2.67 Thu 22 Jul 12:00 UTC · Kp 3.67 Thu 22 Jul 15:00 UTC · Kp 3.33 Thu 22 Jul 18:00 UTC · Kp 5.33 Thu 22 Jul 21:00 UTC · Kp 7.00 Fri 23 Jul 00:00 UTC · Kp 6.00 Fri 23 Jul 03:00 UTC · Kp 5.33 Fri 23 Jul 06:00 UTC · Kp 6.00 Fri 23 Jul 09:00 UTC · Kp 5.33 Fri 23 Jul 12:00 UTC · Kp 5.33 Fri 23 Jul 15:00 UTC · Kp 5.67 Fri 23 Jul 18:00 UTC · Kp 3.00 Fri 23 Jul 21:00 UTC · Kp 1.33 Sat 24 Jul 00:00 UTC · Kp 2.67 Sat 24 Jul 03:00 UTC · Kp 2.67 Sat 24 Jul 06:00 UTC · Kp 4.33 Sat 24 Jul 09:00 UTC · Kp 3.00 Sat 24 Jul 12:00 UTC · Kp 6.00 Sat 24 Jul 15:00 UTC · Kp 5.00 Thu 22 JulFri 23 JulSat 24 Jul
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

2,840 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,013 Chicago, Seattle, Portland, Detroit Peoria
United Kingdom 503 Birmingham, Glasgow, Manchester, Sheffield Luton
Canada 402 Toronto, Montreal, Calgary, Ottawa Eastern Passage
Germany 165 Berlin, Hamburg, Bremen, Hannover Kreisfreie Stadt Münster
Poland 163 Warsaw, Poznań, Gdańsk, Szczecin Zielona Góra
Sweden 129 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Netherlands 99 Rotterdam, Amsterdam, The Hague, Utrecht Rotterdam
Denmark 94 Copenhagen, Aarhus, Odense, Aalborg Nykøbing Falster
Finland 60 Helsinki, Espoon keskus, Vantaa, Turku Raseborg
Ireland 55 Dublin, Cork, Limerick, Galway Cork
Norway 41 Oslo, Stavanger, Kristiansand, Drammen Mandal
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Lithuania 31 Vilnius, Kaunas, Klaipeda City Municipality, Šiauliai Druskininkai
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
New Zealand 16 Christchurch, Dunedin, Invercargill, Rolleston Christchurch
Australia 7 Hobart, Launceston, Devonport, Burnie Burnie
Kazakhstan 2 Kostanay, Petropavl Kostanay
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,859 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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