Northern lights are expected in the American sky this evening. A strong geomagnetic storm triggers a spectacular celestial show, with isolated periods reaching G4 (severe) levels.
Aurora lights will be visible in 23 states from Thursday evening through Friday morning.
The National Oceanic and Atmospheric Administration (NOAA) has issued a G3 (Severe) geomagnetic storm watch, with isolated periods reaching G4 (Severe) levels. This phenomenon is due to a combination of solar disturbances, including a coronal mass ejection on May 30.
This is marked as a co-rotating region with high-speed solar wind flow.
The Northern Lights will be visible on the northern horizon in the following states:
- Washington: North Cascades, Bellingham, Spokane, Okanogan County
- Idaho: Panhandle region (Sandpoint, Coeur d’Alene), Boise (northern horizon)
- Montana: Glacier National Park, Great Falls, Helena, Billings
- North Dakota: Entire state (especially Theodore Roosevelt National Park, Bismarck, Fargo)
- South Dakota: Northern Black Hills, Rapid City, Aberdeen, Watertown
- Minnesota: Entire state
- Wisconsin: Apostle Islands, Superior, Hayward, Wausau, Green Bay (northern horizon)
- Michigan: Upper Peninsula (Marquette, Sault Ste. Marie, Mackinac Bridge), Traverse City, northern Lower Peninsula
- New York: Adirondacks (Lake Placid), Buffalo, Rochester, Syracuse, Albany, Long Island
- Vermont: Entire state
- New Hampshire: White Mountains, Mount Washington Valley, Concord, Portsmouth
- Maine: Entire state
Maximum visibility will be between 8:00 p.m. and 11:00 p.m. EDT on Thursday, June 4, with conditions continuing until 5:00 a.m. on Friday, June 5.
