Solar Wind Arrives Early

Space Weather News for March 21, 2017 http://spaceweather.com https://www.facebook.com/spaceweatherdotcom SOLAR WIND ARRIVES EARLY: Arriving a day earlier than expected, a stream of fast-moving solar wind is buffeting Earth's magnetic field today. The broad stream is expected to influence our planet for the next three days with a 60% chance of polar geomagnetic storms between now and March 23rd. Arctic sky watchers should be alert for auroras in the waxing Spring twilight. Visit Spaceweather.com for more information and updates. Remember, SpaceWeather.com is on Facebook! Above: John Chumack photographed these auroras outside Fairbanks, Alaska, on March 20, 2017; they were ignited by the leading edge of today's solar wind stream. Browse the Realtime Aurora Gallery for more sightings. Share Tweet Forward Copyright © 2017 Spaceweather.com, All rights reserved.