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The northern lights could be visible across as many as 16 northern states in the U.S. on Sunday, Nov. 9, into Monday, Nov. 10, with a G2 geomagnetic storm being forecast by space weather experts at the National Oceanic and Atmospheric Administration. It comes in the wake of a trio of X-class solar flares, the latest an X1.7 event on the morning of Sunday, Nov. 9.
Northern Canada and Alaska have the highest likelihood of viewing the northern lights. U.S. states that may see aurora include Alaska and (northerly parts of) Washington, Oregon, Idaho, Montana, Wyoming, North Dakota, South Dakota, Minnesota, Iowa, Wisconsin, Michigan, New York, Vermont, New Hampshire and Maine, according to NOAA's latest aurora viewlines.
According to the Geophysical Institute of the University of Alaska Fairbanks, highly active auroral displays may be visible overhead from Alaska and northern Canada, but also from Helena, Minneapolis, Milwaukee, Bay City, Toronto and Montpelier in the U.S. Aurora could be visible low on the horizon from Salem, Boise, Cheyenne, Lincoln, Indianapolis and Annapolis.