There could be power grid fluctuations tonight, not to mention some spectacular Northern Lights if you live far north enough, due to a couple of massive solar flares this week. Report via USA Today:
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The second of two solar storms, in the form of a coronal mass ejection (CME) from a solar flare, hit Earth as predicted midday Friday.
An earlier storm hit late Thursday.
“The second of the expected coronal mass ejections (CMEs) has arrived, and arrived in good agreement with the predicted arrival times,” according to NOAA’s Space Prediction Weather Center in Boulder, Colo. “As expected, an initial look shows this CME is stronger than the first.”
Scientists said the storms could cause some fluctuations in Earth’s power grid and slight disturbances in satellites and radio transmissions later on Friday and on Saturday.
“A G3 (Strong) Geomagnetic Storm Watch is still in effect for September 13th,” the space weather center announced.