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Laura Genoway
Laura Genoway • 1 year ago

An interplanetary shock wave (probably the leading edge of a CME) hit Earth's magnetic field on Nov. 12th at approximately 2300 UT, filling skies over northern Scandinavia with bright auroras

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A geomagnetic storm that began on Sept. 3rd when a coronal mass ejection (CME) hit Earth's magnetic field is subsiding now. The impact at 1200 UT induced significant ground currents in the soil of northern Scandinavia and sparked bright auroras around the Arctic Circle

Earth's polar magnetic field remains stormy and unsettled after the CME impact of Sept. 3rd. Today began with a moderately strong (Kp=6) geomagnetic storm, which sparked bright auroras around the Arctic Circle.

SPOOKY AURORAS: High-latitude sky watchers should be alert for auroras on Halloween. A CME is expected to hit Earth's magnetic field on Oct. 31st, possibly sparking polar geomagnetic storms. In northern Norway, the show got started early with this display on Oct. 30th.

ST. PATRICK's DAY CME IMPACT: As predicted, a CME hit Earth's magnetic field during the early hours of March 17th, sparking a geomagnetic storm (Kp=6) and bright auroras at high latitudes. "What a great and green way to begin St. Patrick's Day!" says Dennis Mammana, who sends this picture from Fairbanks, Alaska.

Aurora Borealis