Geomagnetic Storm Watch (G2-class)

Source - Space Weather News for May 15, 2017: http://spaceweather.com

GEOMAGNETIC STORM WATCH: NOAA forecasters say there is a 40% chance of minor G1-class geomagnetic storms on May 16th as Earth enters a stream of solar wind flowing from a hole in the sun's atmosphere. The storm could intensify to G2-class (moderately strong) on May 17th when an incoming CME is expected to deliver a glancing blow to Earth's magnetic field. High-latitude sky watchers should be alert for auroras, especially in the southern hemisphere where deepening autumn darkness favors visibility.

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