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G2Peak 16 July 2017 at 18:00 UTC

Northern Lights on 16 July 2017 (Kp 6): Where They Were Visible

Kp reached 6. At that level the edge of the auroral oval reaches about 54.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 50.0°. Activity stayed at storm level (Kp 5 or more) for 18 hours.

03579 G1 G3 Sat 15 Jul 06:00 UTC · Kp 0.67 Sat 15 Jul 09:00 UTC · Kp 0.33 Sat 15 Jul 12:00 UTC · Kp 0.33 Sat 15 Jul 15:00 UTC · Kp 0.67 Sat 15 Jul 18:00 UTC · Kp 0.67 Sat 15 Jul 21:00 UTC · Kp 1.00 Sun 16 Jul 00:00 UTC · Kp 2.00 Sun 16 Jul 03:00 UTC · Kp 1.00 Sun 16 Jul 06:00 UTC · Kp 4.67 Sun 16 Jul 09:00 UTC · Kp 5.33 Sun 16 Jul 12:00 UTC · Kp 5.67 Sun 16 Jul 15:00 UTC · Kp 5.33 Sun 16 Jul 18:00 UTC · Kp 6.00 Sun 16 Jul 21:00 UTC · Kp 4.67 Mon 17 Jul 00:00 UTC · Kp 3.00 Mon 17 Jul 03:00 UTC · Kp 4.33 Mon 17 Jul 06:00 UTC · Kp 4.00 Mon 17 Jul 09:00 UTC · Kp 4.00 Mon 17 Jul 12:00 UTC · Kp 4.33 Mon 17 Jul 15:00 UTC · Kp 5.67 Mon 17 Jul 18:00 UTC · Kp 1.67 Mon 17 Jul 21:00 UTC · Kp 1.67 Sun 16 JulMon 17 Jul
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

1,860 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 712 Seattle, Minneapolis, Saint Paul, Tri-Cities Pendleton
Canada 604 Montreal, Calgary, Ottawa, Edmonton Sooke
Sweden 254 Stockholm, Gothenburg, Uppsala, Linköping Halmstad
Estonia 65 Tallinn, Tartu, Narva, Pärnu Võru
Latvia 49 Riga, Jelgava, Jūrmala, Ventspils Jelgava
Norway 43 Kristiansand, Fredrikstad, Sandefjord, Sarpsborg Mandal
United Kingdom 33 Aberdeen, Dundee, Perth, Arbroath Dunblane
Denmark 32 Aalborg, Hjørring, Nørresundby, Frederikshavn Skive
Finland 27 Helsinki, Kirkkonummen keskusta, Raseborg, Ekenäs Hanko
Australia 20 Hobart, Launceston, Devonport, Burnie Smithton
New Zealand 18 Dunedin, Invercargill, Mosgiel, Wānaka Waimate
Kazakhstan 3 Kostanay, Petropavl, Kokshetau Kostanay
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

4,527 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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