How to View the Northern Lights on Sunday Night

The spectacular aurora borealis, the nighttime light display triggered by solar flares that has been so unusually prevalent since Friday, could be visible again on Sunday night in much of the United States as a powerful geomagnetic storm continues.

The aurora borealis, or northern lights, has been observed from locations much farther south than usual, including much of the United States, England and some parts of Central America.

The glowing green, pink and purple lights will be visible again on Sunday night in places with clear, dark skies, according to the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center.

“There’s a chance that what’s coming at us later today could be quite comparable to what we saw Friday into Friday night,” Mike Bettwy, the operations chief of the Space Weather Prediction Center, said on Sunday. “Our forecast is for it to be right up to that level.”

There were reports of the lights being visible in Puerto Rico, South Florida and parts of Central America on Friday night, Mr. Bettwy said, and it could happen again on Sunday night if the storm is as intense.

He said the aurora “ebbs and flows without much reason,” making it hard to predict the best time to view the phenomenon.

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