Northern Lights 20 May 2024 Nh. More displays of northern lights are likely in the coming weeks and. A g3 storm, which is classified as strong on noaa's geomagnetic activity scale, is expected to begin on monday evening and will last through wednesday.
The northern lights are typically most visible between 10 p.m. The northern lights are created when energized particles from the sun slam into earth’s upper atmosphere at speeds of up to 45 million mph (72 million kph), but our planet’s magnetic field.