From http://spaceweather.com :
'INCOMING CME: Another CME is en route to Earth. It was launched in our
direction four days ago by the eruption of a magnetic filament near the
center of the solar disk.
The impact won't be as effective as the double-blow Earth experienced on
Sept. 12th, when two CMEs hit in less than 24 hours. Nevertheless, NOAA
forecasters estimate a 50% chance of polar geomagnetic storms on Sept. 17th
when the CME arrives. (Note: Yesterday we wrote that the CME would arrive on
Sept. 16th, however, a revised analysis of its speed suggests a later
arrival.) High-latitude sky watchers should be alert for auroras.'
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