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G1Peak 29 December 1991 at 21:00 UTC

Northern Lights on 29 December 1991 (Kp 5.3): Where They Were Visible

Kp reached 5.3. At that level the edge of the auroral oval reaches about 55.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 51.3°. Activity stayed at storm level (Kp 5 or more) for 6 hours.

03579 G1 G3 Sat 28 Dec 21:00 UTC · Kp 4.67 Sun 29 Dec 00:00 UTC · Kp 4.00 Sun 29 Dec 03:00 UTC · Kp 4.33 Sun 29 Dec 06:00 UTC · Kp 4.67 Sun 29 Dec 09:00 UTC · Kp 2.67 Sun 29 Dec 12:00 UTC · Kp 3.00 Sun 29 Dec 15:00 UTC · Kp 3.33 Sun 29 Dec 18:00 UTC · Kp 4.33 Sun 29 Dec 21:00 UTC · Kp 5.33 Mon 30 Dec 00:00 UTC · Kp 4.67 Mon 30 Dec 03:00 UTC · Kp 4.00 Mon 30 Dec 06:00 UTC · Kp 2.00 Mon 30 Dec 09:00 UTC · Kp 2.00 Mon 30 Dec 12:00 UTC · Kp 3.00 Mon 30 Dec 15:00 UTC · Kp 2.33 Mon 30 Dec 18:00 UTC · Kp 2.67 Mon 30 Dec 21:00 UTC · Kp 2.67 Tue 31 Dec 00:00 UTC · Kp 2.67 Sun 29 DecMon 30 DecTue 31 Dec
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

1,224 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
Canada 302 Montreal, Calgary, Ottawa, Edmonton Sydney Mines
United States 194 Minneapolis, Saint Paul, Anchorage, Spokane Utica
United Kingdom 169 Glasgow, Edinburgh, Belfast, Newcastle upon Tyne Middlesbrough
Sweden 148 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Denmark 93 Copenhagen, Aarhus, Odense, Aalborg Nakskov
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Lithuania 25 Kaunas, Klaipeda City Municipality, Šiauliai, Panevėžys Kaunas
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Ireland 2 Letterkenny, Sligo Sligo
Germany 1 Westerland Westerland
Kazakhstan 1 Petropavl Petropavl
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

2,012 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.

← 27 December 1991 · 2 January 1992 →