EARTH-DIRECTED SOLAR FLARE: On Feb. 13th at 1738 UT, sunspot 11158 unleashed the strongest solar flare of the year so far, an M6.6-category blast. NASA’s Solar Dynamics Observatory recorded an intense flash of extreme ultraviolet radiation
A CME hit Earth’s magnetic field at approximately 01:00 UT on Feb. 18th (8:00 pm EST on Feb. 17th). The impact was not as strong as expected considering the cloud’s X-class origin. Nevertheless, geomagnetic storms are possible in the hours ahead.
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