21st October

Tonight’s estimated aurora level:

Level 2 – Low

Auroral activity will be at low levels. Weather permitting, aurora displays may be visible overhead or on the horizon in Bodø (Norway), Sodankylä (Finland), Kiruna (Sweden) and Reykjavík (Iceland).

CH HSS has been very weak so far, but is expected to increase today. There is also the possibilty of a faint CME brushing past earth while the CH HSS is active. More analysis is needed on that event.

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