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yesterday

Strong G3 Solar Storm Triggers Widespread Northern Lights from U.S. to UK

Forecasts indicate that the storm will persist into early June under the ongoing solar maximum, raising the risk of minor to moderate high-frequency radio blackouts.

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Overview

  • A G3-rated geomagnetic storm on May 28 propelled aurora displays across 17 U.S. states and most of Canada, with rare sightings reported as far south as Italy.
  • NOAA and NASA declared a solar maximum in October 2024, marking a peak of coronal hole-sourced solar winds expected to fuel storms through early 2026.
  • The UK Met Office warns of enhanced aurora activity over northern Scotland tonight, with a chance that displays could reach farther south if skies are clear.
  • NOAA’s three-day outlook forecasts active to minor storm levels through May 30 and unsettled conditions on May 31, sustaining visibility in up to 17 states.
  • Geomagnetic activity carries a potential for minor to moderate high-frequency radio blackouts into early June, with the best aurora viewing between 10 p.m. and 2 a.m.