G1Peak 9 May 2001 at 00:00 UTC

Northern Lights on 9 May 2001 at 00:00 UTC (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.

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

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

Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.
Country	Places	Examples	Furthest from the pole
United States	353	Seattle, Milwaukee, Minneapolis, Saint Paul	Yakima
Canada	311	Toronto, Montreal, Calgary, Ottawa	Hamilton
United Kingdom	103	Glasgow, Edinburgh, Aberdeen, Dundee	Ashington
Denmark	75	Copenhagen, Aarhus, Aalborg, Frederiksberg	Esbjerg
Sweden	54	Gothenburg, Malmö, Jönköping, Helsingborg	Oxie
Norway	25	Bergen, Stavanger, Kristiansand, Sandnes	Mandal
Iceland	5	Hafnarfjörður, Reykjanesbær, Keflavík, Selfoss	Vík í Mýrdal
Faroe Islands	4	Tórshavn, Klaksvík, Fuglafjørður, Miðvágur	Tórshavn
Greenland	1	Qaqortoq	Qaqortoq
Ireland	1	Letterkenny	Letterkenny

Only in photos

2,399 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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