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G1Peak 11 July 1993 at 03:00 UTC

Northern Lights on 11 July 1993 (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 3 hours.

03579 G1 G3 Sat 10 Jul 03:00 UTC · Kp 2.33 Sat 10 Jul 06:00 UTC · Kp 2.00 Sat 10 Jul 09:00 UTC · Kp 2.67 Sat 10 Jul 12:00 UTC · Kp 3.00 Sat 10 Jul 15:00 UTC · Kp 2.00 Sat 10 Jul 18:00 UTC · Kp 3.33 Sat 10 Jul 21:00 UTC · Kp 3.00 Sun 11 Jul 00:00 UTC · Kp 3.67 Sun 11 Jul 03:00 UTC · Kp 5.00 Sun 11 Jul 06:00 UTC · Kp 4.33 Sun 11 Jul 09:00 UTC · Kp 3.33 Sun 11 Jul 12:00 UTC · Kp 2.00 Sun 11 Jul 15:00 UTC · Kp 3.33 Sun 11 Jul 18:00 UTC · Kp 2.00 Sun 11 Jul 21:00 UTC · Kp 1.33 Mon 12 Jul 00:00 UTC · Kp 2.33 Mon 12 Jul 03:00 UTC · Kp 1.67 Sun 11 JulMon 12 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

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

CountryPlacesExamplesFurthest from the pole
Canada 346 Toronto, Montreal, Calgary, Ottawa Hamilton
United States 266 Milwaukee, Minneapolis, Saint Paul, Madison Racine
New Zealand 4 Invercargill, Gore, Stewart Island/Rakiura (Oban), The Catlins (Owaka) Gore
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

1,485 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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