Famous Northern Lights Strength 2023. Coronal mass ejections, which cause most of the solar storms and, therefore, stronger auroras, are forecast 15 days in advance, but their strength and shape can vary once they get closer to earth. Web here we learn what causes the different colors in the aurora borealis (northern lights) and the aurora australis (southern lights).

While space weather is hard to forecast so far in advance, this list can be useful to spot when recurrent and reliable solar features like coronal hole solar wind. Good news — the next four to five years will provide optimal. My vantage point is the far northern.