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G4Peak 17 September 2000 at 21:00 UTC

Northern Lights on 17 September 2000 (Kp 8.3): Where They Were Visible

Kp reached 8.3. At that level the edge of the auroral oval reaches about 49.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 45.3°. Activity stayed at storm level (Kp 5 or more) for 27 hours.

03579 G1 G3 Sat 16 Sept 15:00 UTC · Kp 3.67 Sat 16 Sept 18:00 UTC · Kp 4.33 Sat 16 Sept 21:00 UTC · Kp 6.33 Sun 17 Sept 00:00 UTC · Kp 4.67 Sun 17 Sept 03:00 UTC · Kp 4.00 Sun 17 Sept 06:00 UTC · Kp 2.33 Sun 17 Sept 09:00 UTC · Kp 3.00 Sun 17 Sept 12:00 UTC · Kp 4.00 Sun 17 Sept 15:00 UTC · Kp 4.67 Sun 17 Sept 18:00 UTC · Kp 5.33 Sun 17 Sept 21:00 UTC · Kp 8.33 Mon 18 Sept 00:00 UTC · Kp 7.67 Mon 18 Sept 03:00 UTC · Kp 5.67 Mon 18 Sept 06:00 UTC · Kp 5.00 Mon 18 Sept 09:00 UTC · Kp 6.00 Mon 18 Sept 12:00 UTC · Kp 6.00 Mon 18 Sept 15:00 UTC · Kp 6.00 Mon 18 Sept 18:00 UTC · Kp 3.00 Mon 18 Sept 21:00 UTC · Kp 3.00 Tue 19 Sept 00:00 UTC · Kp 3.00 Tue 19 Sept 03:00 UTC · Kp 3.00 Tue 19 Sept 06:00 UTC · Kp 3.00 Tue 19 Sept 09:00 UTC · Kp 5.00 Tue 19 Sept 12:00 UTC · Kp 6.00 Tue 19 Sept 15:00 UTC · Kp 4.00 Sun 17 SeptMon 18 SeptTue 19 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

8,750 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 3,385 New York City, Brooklyn, Chicago, Queens Lexington
United Kingdom 1,150 London, Birmingham, Glasgow, Manchester Falmouth
Canada 957 Toronto, Montreal, Calgary, Ottawa Yarmouth
Germany 577 Berlin, Hamburg, Köln, Frankfurt Worms
Sweden 474 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 454 Helsinki, Espoon keskus, Tampere urban area, Vantaa Hanko
Poland 422 Warsaw, Kraków, Wrocław, Łódź Nowy Targ
Norway 276 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 260 Copenhagen, Aarhus, Odense, Aalborg Alholm
Netherlands 149 Rotterdam, Amsterdam, The Hague, Utrecht Maastricht
Ireland 126 Dublin, Cork, Limerick, Galway Cork
Belgium 102 Brussels, Antwerp, Ghent, Charleroi Arlon
Latvia 76 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Lithuania 73 Vilnius, Kaunas, Klaipeda City Municipality, Šiauliai Druskininkai
Estonia 65 Tallinn, Tartu, Narva, Pärnu Võru
Czechia 43 Prague, Ostrava, Pilsen, Liberec Olomouc
Iceland 37 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
New Zealand 37 Christchurch, Dunedin, Invercargill, Rolleston Christchurch
France 28 Lille, Amiens, Roubaix, Tourcoing Charleville
Australia 20 Hobart, Launceston, Devonport, Burnie Smithton
Greenland 14 Nuuk, Sisimiut, Ilulissat, Qaqortoq Nanortalik
Faroe Islands 11 Tórshavn, Klaksvík, Hoyvík, Argir Argir
Luxembourg 7 Diekirch, Grevenmacher, Wiltz, Echternach Grevenmacher
Kazakhstan 4 Astana, Kostanay, Petropavl, Kokshetau Astana
Ukraine 2 Kyiv, Kharkiv Kharkiv
Svalbard & Jan Mayen 1 Longyearbyen Longyearbyen
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,852 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.

← 16 September 2000 · 19 September 2000 →