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Minor aurora alert tonight Sept. 18-19

Observers in the northern U.S. and southern Canada should be alert for auroras tonight. The direction of the magnetic field has been mostly south for the past 8 hours, providing a nice linkage into Earth's magnetic bubble. It's cloudy in...

Observers in the northern U.S. and southern Canada should be alert for auroras tonight. The direction of the magnetic field has been mostly south for the past 8 hours, providing a nice linkage into Earth's magnetic bubble. It's cloudy in Duluth, Minn., but the Ovation oval plot (above) would indicate visible aurora low in the northern sky from northern Minnesota, Michigan's Upper Peninsula and northern Maine around 11-11:30 p.m. CDT.

* Update Friday, Sept. 19 -- Minor storming is also possible tonight from higher latitudes in the U.S.

 

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