ARLA/CLUSTER: Tempestade Geomagnetica de classe G1 em progresso

[João Costa > CT1FBF]

*GEOMAGNETIC STORM IN PROGRESS: *A stream of fast-moving solar wind is
buffeting Earth's magnetic field, sparking G1-class
<http://spaceweather.com/glossary/g2.jpg?PHPSESSID=gh5aogpfjqfq29j0vf80vdfk45>
geomagnetic storms and bright auroras around the Arctic Circle. Göran
Strand sends this picture from Östersund, Sweden:

<http://spaceweathergallery.com/indiv_upload.php?upload_id=122867>

"The Northern Lights were intense, " says Strand. "They were easy to see
despite the bright moonlight."

NOAA forecasters say there is a 55% chance of continued storms on *Feb.
17th* as Earth moves deeper into the stream. Arctic sky watchers should
remain alert for auroras. *Aurora alerts*: text
<http://spaceweathertext.com/> or voice <http://spaceweatherphone.com/>
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