GEOMAGNETIC STORM PREDICTED (G1-CLASS): NOAA forecasters estimate a 55% chance of G1-class geomagnetic storms on Nov. 29th when Earth's magnetic field is expected to receive a glancing blow from a CME, hurled toward us days ago by a magnetic explosion on the sun. There's more: A fissure in the sun's atmosphere is spewing solar wind into space, and the gaseous material could reach Earth on Nov. 29th as well. G1-class storms have little effect on power grids and satellites. However, they can affect migratory animals that navigate using magnetism. Such storms can also cause spectacular auroras around the Arctic Circle. Visit Spaceweather.com for more information and updates.
Above: Solar wind is flowing toward Earth from a fissure in the sun's atmosphere where magnetic fields have opened up, allowing the gaseous material to escape. [Aurora Photo Gallery]
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