AuroraMeteo

G1Peak 31 July 2001 at 12:00 UTC

Northern Lights on 31 July 2001 (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 30 Jul 12:00 UTC · Kp 1.33 Mon 30 Jul 15:00 UTC · Kp 1.67 Mon 30 Jul 18:00 UTC · Kp 2.67 Mon 30 Jul 21:00 UTC · Kp 3.00 Tue 31 Jul 00:00 UTC · Kp 3.67 Tue 31 Jul 03:00 UTC · Kp 4.33 Tue 31 Jul 06:00 UTC · Kp 4.00 Tue 31 Jul 09:00 UTC · Kp 2.67 Tue 31 Jul 12:00 UTC · Kp 5.00 Tue 31 Jul 15:00 UTC · Kp 4.67 Tue 31 Jul 18:00 UTC · Kp 2.67 Tue 31 Jul 21:00 UTC · Kp 3.33 Wed 1 Aug 00:00 UTC · Kp 3.67 Wed 1 Aug 03:00 UTC · Kp 1.67 Wed 1 Aug 06:00 UTC · Kp 1.67 Wed 1 Aug 09:00 UTC · Kp 2.67 Wed 1 Aug 12:00 UTC · Kp 2.33 Wed 1 Aug 15:00 UTC · Kp 2.00 Tue 31 JulWed 1 Aug
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

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

CountryPlacesExamplesFurthest from the pole
New Zealand 7 Dunedin, Invercargill, Mosgiel, Gore Oamaru
Australia 5 Hobart, Launceston, Bruny Island (Alonnah), Southport / Cockle Creek Launceston
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

17 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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