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Northern Lights no longer expected to be visible in NH

FILE - An aurora borealis, also known as the northern lights, is seen in the night sky in the early morning hours of Monday, April 24, 2023, near Washtucna, Wash. A solar storm forecast for Thursday, July 13, is expected to give skygazers in more than a dozen American states a chance to glimpse the Northern Lights. (AP Photo/Ted S. Warren, File)
Ted S. Warren/AP
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FR171932 AP
FILE - An aurora borealis, also known as the northern lights, is seen in the night sky in the early morning hours of Monday, April 24, 2023, near Washtucna, Wash. A solar storm forecast for Thursday, July 13, is expected to give skygazers in more than a dozen American states a chance to glimpse the Northern Lights. (AP Photo/Ted S. Warren, File)

Update: The northern lights might not be visible in New Hampshire, after all. Here's more on how these events are predicted, and how to prepare for skygazing if you do venture out.


A solar storm forecast for Thursday is expected to give skygazers in some states along the U.S.-Canada border a faint glimpse of the Northern Lights which — at their peak — produce a colorful sky show when solar wind hits the atmosphere.

Northern Lights, also known as aurora borealis, are most often seen in Alaska, Canada and Scandinavia, but an 11-year solar cycle that’s expected to peak in 2024 has the potential to make the lights visible in places farther to the south. Three months ago, the light displays were visible in Arizona, marking the third severe geomagnetic storm since the current solar cycle began in 2019.

The Geophysical Institute at the University of Alaska Fairbanks has forecast auroral activity on Thursday, based on long-term outlook.

Auroral activity also has been forecast for Canada.

Those in small slices of the contiguous U.S. — including parts of Wisconsin, Michigan and Montana — could also get a peek. But for them, the aurora will probably be a “faint glow on the horizon” said Lt. Bryan Brasher, a project manager for NOAA’s Space Weather Prediction Center.

The National Oceanic and Atmospheric Administration’s Space Weather Prediction Center said people wanting to experience an aurora should get away from city lights and that the best viewing times are between 10 p.m. and 2 a.m. local time.

Northern Lights occur when a magnetic solar wind slams into the Earth’s magnetic field and causes atoms in the upper atmosphere to glow. The lights appear suddenly and the intensity varies.

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Corrected: July 12, 2023 at 8:00 PM EDT
This story has been updated to correct the extent to which people can see the Northern Lights from the United States on Thursday, July 13, 2023.

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