AuroraMeteo

G1Peak 9 May 2003 at 12:00 UTC

Northern Lights on 9 May 2003 (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 9 hours.

03579 G1 G3 Thu 8 May 06:00 UTC · Kp 4.00 Thu 8 May 09:00 UTC · Kp 4.33 Thu 8 May 12:00 UTC · Kp 4.67 Thu 8 May 15:00 UTC · Kp 5.00 Thu 8 May 18:00 UTC · Kp 5.67 Thu 8 May 21:00 UTC · Kp 4.00 Fri 9 May 00:00 UTC · Kp 4.00 Fri 9 May 03:00 UTC · Kp 4.33 Fri 9 May 06:00 UTC · Kp 5.00 Fri 9 May 09:00 UTC · Kp 4.67 Fri 9 May 12:00 UTC · Kp 5.33 Fri 9 May 15:00 UTC · Kp 3.67 Fri 9 May 18:00 UTC · Kp 2.00 Fri 9 May 21:00 UTC · Kp 3.33 Sat 10 May 00:00 UTC · Kp 6.67 Sat 10 May 03:00 UTC · Kp 6.33 Sat 10 May 06:00 UTC · Kp 5.33 Sat 10 May 09:00 UTC · Kp 3.33 Sat 10 May 12:00 UTC · Kp 1.33 Fri 9 MaySat 10 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

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

CountryPlacesExamplesFurthest from the pole
United States 363 Seattle, Milwaukee, Minneapolis, Saint Paul Yakima
Canada 353 Toronto, Montreal, Calgary, Ottawa Hamilton
New Zealand 9 Dunedin, Invercargill, Mosgiel, Wānaka Wānaka
Australia 7 Hobart, Launceston, Devonport, Burnie Burnie
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

1,457 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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