Posts by 

C. Alex Young

Sun

Aurora alert for December 23, after M-class flares

A solar storm has caused a stream of charged particles to be headed toward Earth. Aurora alert! Possible northern and southern lights December 23, 2021.

A storm on the sun, and a great week for auroras

Aurora alert in effect for the next few days: the sun sent out a halo coronal mass ejection on November 2, 2021, due to arrive at Earth on November 4.
Sun

Solar storm and aurora starting October 30

A solar storm after an eruption on the sun is carrying plasma toward Earth, which should produce northern and southern lights this weekend.

Aurora alert! Pair of CMEs to jolt Earth’s magnetic field

Aurora alert! A pair of coronal mass ejections will reach Earth September 1-2, 2021. Though not dangerous to satellites or the grid, they might cause auroras.