AuroraMeteo

G1Peak 29 May 2011 at 03:00 UTC

Northern Lights on 29 May 2011 at 03:00 UTC (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 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 Sun 29 May 15:00 UTC · Kp 5.33 Sun 29 May 18:00 UTC · Kp 4.33 Sun 29 May 21:00 UTC · Kp 3.00 Mon 30 May 00:00 UTC · Kp 2.67 Mon 30 May 03:00 UTC · Kp 1.67 Mon 30 May 06:00 UTC · Kp 2.00 Sun 29 MayMon 30 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

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

CountryPlacesExamplesFurthest from the pole
United States 467 Detroit, Milwaukee, Minneapolis, Saint Paul Cedar Rapids
Canada 374 Toronto, Montreal, Calgary, Ottawa LaSalle
New Zealand 4 Invercargill, Gore, Stewart Island/Rakiura (Oban), The Catlins (Owaka) Gore
Australia 2 Bruny Island (Alonnah), Southport / Cockle Creek Bruny Island (Alonnah)
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

1,456 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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