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G1Peak 21 November 2017 at 03:00 UTC

Northern Lights on 21 November 2017 (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 6 hours.

03579 G1 G3 Mon 20 Nov 03:00 UTC · Kp 0.33 Mon 20 Nov 06:00 UTC · Kp 0.33 Mon 20 Nov 09:00 UTC · Kp 0.33 Mon 20 Nov 12:00 UTC · Kp 0.33 Mon 20 Nov 15:00 UTC · Kp 2.00 Mon 20 Nov 18:00 UTC · Kp 2.33 Mon 20 Nov 21:00 UTC · Kp 3.67 Tue 21 Nov 00:00 UTC · Kp 4.33 Tue 21 Nov 03:00 UTC · Kp 5.00 Tue 21 Nov 06:00 UTC · Kp 4.67 Tue 21 Nov 09:00 UTC · Kp 3.33 Tue 21 Nov 12:00 UTC · Kp 3.00 Tue 21 Nov 15:00 UTC · Kp 3.67 Tue 21 Nov 18:00 UTC · Kp 3.67 Tue 21 Nov 21:00 UTC · Kp 3.67 Wed 22 Nov 00:00 UTC · Kp 2.33 Wed 22 Nov 03:00 UTC · Kp 3.00 Wed 22 Nov 06:00 UTC · Kp 1.67 Tue 21 NovWed 22 Nov
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

3,778 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,024 Seattle, Milwaukee, Minneapolis, Saint Paul Yakima
Canada 837 Toronto, Montreal, Calgary, Ottawa Hamilton
Sweden 469 Stockholm, Gothenburg, Malmö, Uppsala Oxie
Finland 454 Helsinki, Espoon keskus, Tampere urban area, Vantaa Hanko
United Kingdom 278 Glasgow, Edinburgh, Aberdeen, Dundee Ashington
Norway 276 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 204 Copenhagen, Aarhus, Aalborg, Frederiksberg Esbjerg
Latvia 76 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 65 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 37 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Lithuania 29 Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai Utena
Greenland 14 Nuuk, Sisimiut, Ilulissat, Qaqortoq Nanortalik
Faroe Islands 11 Tórshavn, Klaksvík, Hoyvík, Argir Argir
Ireland 3 Letterkenny, Buncrana, Gweedore Letterkenny
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

4,360 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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