Monday, 11 March 2019 - 18:54 UTC
We are still waiting to see what the two solar flares from the past few days will cause for activity at Earth but yet another solar feature throws itself in the mix today: a coronal hole solar wind stream!
This coronal hole looks to be an extension of the southern hemisphere polar coronal hole. This coronal hole is poorly defined and fairly narrow but does stretch all the way from the southern polar coronal hole to the north and actually crosses the solar equator. Compared to the last rotation we actually see that this coronal hole developed during the past few weeks.
A short living high speed solar wind stream from this coronal hole could arrive on our planet either late on 13 March (Wednesday) or early on 14 March (Thursday). It is hard to say if the coronal mass ejections launched a few days ago will have any effect on this solar wind stream but we doubt they will. Be sure to read our previous news item for more information on these events. Active geomagnetic conditions (Kp4) will be possible when the solar wind stream arrives.
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