AuroraMeteo

G2Peak 28 May 2011 at 06:00 UTC

Northern Lights on 28 May 2011 (Kp 6.3): Where They Were Visible

Kp reached 6.3. At that level the edge of the auroral oval reaches about 53.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 49.3°. Activity stayed at storm level (Kp 5 or more) for 12 hours.

03579 G1 G3 Fri 27 May 00:00 UTC · Kp 1.00 Fri 27 May 03:00 UTC · Kp 1.67 Fri 27 May 06:00 UTC · Kp 1.67 Fri 27 May 09:00 UTC · Kp 1.67 Fri 27 May 12:00 UTC · Kp 2.67 Fri 27 May 15:00 UTC · Kp 3.00 Fri 27 May 18:00 UTC · Kp 3.33 Fri 27 May 21:00 UTC · Kp 3.33 Sat 28 May 00:00 UTC · Kp 4.67 Sat 28 May 03:00 UTC · Kp 2.67 Sat 28 May 06:00 UTC · Kp 6.33 Sat 28 May 09:00 UTC · Kp 6.00 Sat 28 May 12:00 UTC · Kp 6.33 Sat 28 May 15:00 UTC · Kp 2.00 Sat 28 May 18:00 UTC · Kp 1.33 Sat 28 May 21:00 UTC · Kp 4.00 Sun 29 May 00:00 UTC · Kp 4.00 Sun 29 May 03:00 UTC · Kp 5.33 Sun 29 May 06:00 UTC · Kp 4.67 Sun 29 May 09:00 UTC · Kp 4.00 Sun 29 May 12:00 UTC · Kp 3.67 Fri 27 MaySat 28 MaySun 29 May
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

3,805 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 2,785 Chicago, Seattle, Boston, Portland Pittsburgh
Canada 898 Toronto, Montreal, Calgary, Ottawa Yarmouth
United Kingdom 62 Aberdeen, Dundee, Inverness, Perth Dunblane
New Zealand 40 Christchurch, Dunedin, Invercargill, Rolleston Rangiora
Australia 20 Hobart, Launceston, Devonport, Burnie Smithton
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

3,003 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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