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Posted by - Latinos MediaSyndication -
on - Mar 23 -
Filed in - Weather -
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We should not forget that the Earth's atmosphere can be seriously influenced by the "weather" on the sun!
Auuoral displays are particularly frequent in March for reasons I will explain later.
The sun's surface is not uniform over time, with varying sunspots and "solar storms", including solar flares and coronal mass ejections (CME), that send solar particles away from the sun and can greatly disturb the sun's magnetic fields.
Such solar disturbances can be associated with higher-latitude auroras and the disruption of radio communication and electricity transmission.
CMEs and other solar disturbances are modulated by the number of sunspots on the sun's surface, with more sunspots resulting in more activity.
Sunspots vary over time, with an eleven-year cycle being the most prominent (see below)
But there is more.
The potential for auroras and other solar impacts on Earth is maximized in our current season. As shown in the next figure, the number of days in which solar disturbances impact the earth; 's atmosphere peaks in early spring and early fall, near the time of the equinoxes (night and day being similar lengths)
Why is that?