Articles tagged "g1 storm" - page 3

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Minor (G1-class) geomagnetic storm underway - activity intensified due to open crack in Earth's magnetic field

A disturbance rippled through Earth's magnetic field on Feb. 14th. On several occasions the sky was full of auroras from horizon to horizon, said photographer and aurora tour guide Chad Blakley of Abisko National Park, Sweden for Spaceweather.com.An update to the

February 15, 2012

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Incoming coronal mass ejection

As predicted by analysts at the Goddard Space Weather Lab, a coronal mass ejection (CME) hit Earth's magnetic field at ~03:30 UT on Sept 17th. The impact was not strong. Nevertheless, the arrival of the CME could spark geomagnetic activity around the Arctic Circle.

September 17, 2011

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A G1-class (Kp=5) geomagnetic storm is in progress

High-latitude sky watchers should be alert for auroras. A G1-class (Kp=5) geomagnetic storm is in progress.NOAA Space Weather Scale for Geomagnetic StormsSolar windspeed:

July 05, 2011