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Magnetic storms on Dec 21, 2013

Geomagnetic storms on Dec 21, 2013

No geomagnetic storms were observed on Dec 21, 2013

Magnetic storms for the last 3 days

Magnetic storms for 3 days

Max solar activity on Dec 21, 2013

Solar radio flux (10.7 cm) = 149

Mean planetary A index = 6

Mean planetary Kp index = 2 (15 nT)