11th October

Tonight’s estimated aurora level:

Level 3 – Medium

Auroral activity will be at medium levels. Weather permitting, aurora displays will be visible overhead or on the horizon in Mosjøen (Norway), Oulu (Finland), Luleå (Sweden) and Reykjavik (Iceland).

A recurrent negative-polarity coronal hole high-speed stream (CH HSS) is expected to increase solar wind speed and IMF parameters beginning on Oct 11 and continuing through Oct 12.

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