G1Peak 19 August 2002 at 21:00 UTC

Northern Lights on 19 August 2002 at 21:00 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 3 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

631 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
Sweden	145	Stockholm, Gothenburg, Malmö, Uppsala	Oxie
Finland	120	Helsinki, Espoon keskus, Tampere urban area, Vantaa	Raseborg
United Kingdom	103	Glasgow, Edinburgh, Aberdeen, Dundee	Ashington
Denmark	75	Copenhagen, Aarhus, Aalborg, Frederiksberg	Esbjerg
Norway	64	Oslo, Bergen, Trondheim, Stavanger	Mandal
Latvia	39	Riga, Daugavpils, Liepāja, Jelgava	Daugavpils
Estonia	21	Tallinn, Tartu, Narva, Pärnu	Võru
Canada	20	Greater Sudbury, Saguenay, Sault Ste. Marie, Rimouski	Greater Sudbury
Iceland	18	Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær	Vík í Mýrdal
Lithuania	18	Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai	Utena
Faroe Islands	4	Tórshavn, Klaksvík, Fuglafjørður, Miðvágur	Tórshavn
Greenland	2	Nuuk, Qaqortoq	Qaqortoq
Ireland	1	Letterkenny	Letterkenny
United States	1	Sault Ste. Marie	Sault Ste. Marie

Only in photos

1,249 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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