GEOMAGNETIC STORM

GEOMAGNETIC STORM PREDICTED: NOAA forecasters say there is a 65% chance of G1-class geomagnetic storms on Feb. 26th when a stream of solar wind is expected to hit Earth. The gaseous material is flowing from an equator-stradding hole in the sun's atmosphere:

This is a coronal hole--a region where the sun's magnetic field opens up and allows solar wind to escape. In this case, the wind is blowing faster than 600 km/s (1.3 million mph). Earth should be inside the stream for approximately two days.
G1-class storms are relatively minor and have litte effect on satellites or global power grids. However, they can spark bright auroras around the Arctic Circle and confuse animals that use magnetism to navigate at high latitudes. Stay tuned for updates as the solar wind stream approaches. Free: Aurora Alerts  

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