AuroraMeteo
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G2Peak 4 September 2002 at 03:00 UTC

Northern Lights on 4 September 2002 (Kp 6.3): Where They Were Visible

Kp reached 6.3. At that level the edge of the auroral oval reaches about 53.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 49.3°. Activity stayed at storm level (Kp 5 or more) for 15 hours.

03579 G1 G3 Tue 3 Sept 03:00 UTC · Kp 0.67 Tue 3 Sept 06:00 UTC · Kp 0.67 Tue 3 Sept 09:00 UTC · Kp 2.33 Tue 3 Sept 12:00 UTC · Kp 1.33 Tue 3 Sept 15:00 UTC · Kp 0.67 Tue 3 Sept 18:00 UTC · Kp 3.33 Tue 3 Sept 21:00 UTC · Kp 2.67 Wed 4 Sept 00:00 UTC · Kp 4.33 Wed 4 Sept 03:00 UTC · Kp 6.33 Wed 4 Sept 06:00 UTC · Kp 4.33 Wed 4 Sept 09:00 UTC · Kp 5.00 Wed 4 Sept 12:00 UTC · Kp 4.67 Wed 4 Sept 15:00 UTC · Kp 4.67 Wed 4 Sept 18:00 UTC · Kp 4.67 Wed 4 Sept 21:00 UTC · Kp 2.67 Thu 5 Sept 00:00 UTC · Kp 2.00 Thu 5 Sept 03:00 UTC · Kp 3.33 Thu 5 Sept 06:00 UTC · Kp 1.67 Thu 5 Sept 09:00 UTC · Kp 1.67 Thu 5 Sept 12:00 UTC · Kp 1.67 Thu 5 Sept 15:00 UTC · Kp 1.67 Thu 5 Sept 18:00 UTC · Kp 1.33 Wed 4 SeptThu 5 Sept
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

2,142 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,211 Chicago, Seattle, Boston, Portland Pittsburgh
Canada 407 Toronto, Montreal, Calgary, Ottawa Eastern Passage
Sweden 125 Stockholm, Gothenburg, Uppsala, Linköping Halmstad
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
United Kingdom 67 Liverpool, Belfast, Birkenhead, Southport Wrexham
Norway 64 Oslo, Trondheim, Kristiansand, Drammen Mandal
Ireland 49 Dublin, Limerick, Galway, Tallaght Kilkenny
Latvia 27 Riga, Jelgava, Jūrmala, Ventspils Jelgava
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Denmark 8 Aalborg, Hjørring, Nørresundby, Frederikshavn Skive
New Zealand 7 Dunedin, Invercargill, Mosgiel, Gore Oamaru
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Australia 5 Hobart, Launceston, Bruny Island (Alonnah), Southport / Cockle Creek Launceston
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

1,693 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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