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5d ago

Northern Lights Forecasted Over Northern U.S. States Tonight

NOAA predicts a G2-class geomagnetic storm with auroral activity visible in up to ten states under clear, dark skies.

Stock image: A northern lights display captured in Liberty Lake in Washington state.
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Overview

  • The National Oceanic and Atmospheric Administration (NOAA) forecasts a G2-class geomagnetic storm for April 22, driven by strong solar winds.
  • Auroral activity with a Kp index of 4 could make the northern lights visible in parts of Alaska, Idaho, Maine, Michigan, Minnesota, Montana, New York, South Dakota, Washington, and Wisconsin.
  • Geomagnetic storms result from solar particles colliding with Earth's atmosphere, releasing energy as vibrant light displays.
  • Optimal viewing is expected between 10 p.m. and 2 a.m. local time in dark, north-facing locations away from light pollution.
  • This increased activity aligns with the ongoing solar maximum phase, which began in October 2024 and is expected to sustain heightened auroral displays through early 2026.