AstroHawk, #AuroraBorealis "Northern Lights" expected tonight across northern states. #NOAA Space Weather Prediction Center @NWSSWPC forecasts G4-level geomagnetic storm. https://www.spaceweather.gov/products/aurora-viewline-tonight-and-tomorrow-night-experimental https://www.spaceweather.gov/news/severe-geomagnetic-storm-still-likely #astronomy #SpaceWeather