Coronal hole faces Earth
Saturday, 31 October 2015 13:40 UTC
A trans equatorial coronal hole is now facing Earth. This is the same coronal hole that was responsible for a strong G3 geomagnetic storm on 7 October 2015.
Compared to the last rotation, this coronal hole has shrunk a bit in size while it transited the far side of the Sun. We nonetheless expect geomagnetic storming up to the moderate G2 (Kp6) level considering solar wind speeds up to 800km/s are expected once the solar wind stream arrives. We should start to see the effects here at Earth from this coronal hole around the third or fourth of November.
Image: A coronal hole faces Earth right now as can be seen on this image from SDO.
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