NOAA Forecasts Northern Lights Visibility Across 20 U.S. States Due to Geomagnetic Storm
The National Oceanic and Atmospheric Administration (NOAA) has forecasted that the northern lights, or aurora borealis, may be visible from up to 20 northern U.S. states on the night of Saturday, April 18, into Sunday, April 19. This phenomenon is attributed to a G1 or G2 geomagnetic storm, which is expected to cause auroras on the northern horizon. The storm is driven by a high-speed stream of solar wind emanating from a coronal hole in the sun's outer atmosphere. The best viewing opportunities are anticipated in states such as Alaska, Washington, Idaho, Montana, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, and Maine. If the storm intensifies to a G2 level, states further south, including Oregon, Wyoming, Nebraska, Iowa, Illinois, Indiana, Ohio, New York, Vermont, and New Hampshire, may also witness the aurora.