G3Peak 18 April 2001 at 03:00 UTC
Northern Lights on 18 April 2001 (Kp 7.3): Where They Were Visible
Kp reached 7.3. At that level the edge of the auroral oval reaches about 51.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 47.3°. Activity stayed at storm level (Kp 5 or more) for 9 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
7,139 towns on our list had enough activity while it was dark there. Cloud cover is not included.
Only in photos
3,329 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.
- HungaryBudapest, Debrecen, Szeged
- NetherlandsRotterdam, Amsterdam, The Hague
- CroatiaZagreb, Rijeka, Osijek
- SwitzerlandZürich, Geneva, Basel
- SloveniaLjubljana, Maribor, Celje
- FranceLyon, Nantes, Rennes
- ItalyMilan, Torino, Verona
- BelgiumBrussels, Antwerp, Ghent
- AustriaVienna, Graz, Linz
- SlovakiaBratislava, Petržalka, Nitra
- SpainBilbao City, Gijón, A Coruña
- LiechtensteinSchaan, Triesen, Balzers
- AustraliaHobart, New Norfolk, Bellerive
- ArgentinaRío Gallegos, Ushuaia, Río Grande
- ChilePunta Arenas, Porvenir, Puerto Williams
- UkraineKyiv, Odesa
- South AfricaCape Town, Gqeberha
- CzechiaDěčín
- SerbiaBelgrade
- Falkland IslandsStanley
Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.