AuroraMeteo
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G1Peak 13 September 1999 at 15:00 UTC

Northern Lights on 13 September 1999 (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 9 hours.

03579 G1 G3 Sun 12 Sept 15:00 UTC · Kp 3.67 Sun 12 Sept 18:00 UTC · Kp 6.00 Sun 12 Sept 21:00 UTC · Kp 5.00 Mon 13 Sept 00:00 UTC · Kp 5.67 Mon 13 Sept 03:00 UTC · Kp 6.00 Mon 13 Sept 06:00 UTC · Kp 4.67 Mon 13 Sept 09:00 UTC · Kp 4.33 Mon 13 Sept 12:00 UTC · Kp 4.33 Mon 13 Sept 15:00 UTC · Kp 5.00 Mon 13 Sept 18:00 UTC · Kp 5.00 Mon 13 Sept 21:00 UTC · Kp 3.67 Tue 14 Sept 00:00 UTC · Kp 4.67 Tue 14 Sept 03:00 UTC · Kp 4.00 Tue 14 Sept 06:00 UTC · Kp 4.00 Tue 14 Sept 09:00 UTC · Kp 3.67 Tue 14 Sept 12:00 UTC · Kp 2.33 Tue 14 Sept 15:00 UTC · Kp 3.33 Tue 14 Sept 18:00 UTC · Kp 2.67 Tue 14 Sept 21:00 UTC · Kp 2.67 Wed 15 Sept 00:00 UTC · Kp 3.67 Mon 13 SeptTue 14 SeptWed 15 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

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

CountryPlacesExamplesFurthest from the pole
Canada 248 Montreal, Calgary, Ottawa, Edmonton Le Sud-Ouest
Sweden 145 Stockholm, Gothenburg, Malmö, Uppsala Oxie
United States 141 Minneapolis, Saint Paul, Fargo, Green Bay Manitowoc
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 75 Copenhagen, Aarhus, Aalborg, Frederiksberg Esbjerg
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
United Kingdom 27 Aberdeen, Dundee, Inverness, Perth Ashington
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
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

2,183 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.

← 12 September 1999 · 15 September 1999 →