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Northern Lights Could Dazzle in Several States as Sun Ejections Expected to Spark Storms
NOAA forecasters said three CMEs could merge and trigger a strong G3 geomagnetic storm, with auroras visible as far south as Illinois and Oregon.
- The National Oceanic and Atmospheric Administration issued a strong G3 geomagnetic storm warning for Thursday, June 4, through Friday, June 5, as multiple coronal mass ejections barrel toward Earth.
- Incoming storms originated from active sunspot region 4455, which fired off an M9.3 flare, an M7.7 and an X1-class flare all within 24 hours; forecasters warn some eruptions may merge into a "cannibal CME," potentially intensifying the storm.
- Auroras could become visible as far south as Illinois and Oregon during G3 conditions, with optimal viewing between 10 p.m. and 2 a.m. away from city lights and light pollution.
- Potential impacts include voltage corrections for power systems and false alarms on protection devices, while geomagnetic disturbances may disrupt high-frequency radio communications and spacecraft operations.
- This increased activity aligns with Solar Cycle 25, the sun's roughly 11-year magnetic cycle currently in its active phase, with scientists expecting elevated solar activity through at least the rest of 2026.
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26 Articles
Watch The Sky Tonight! Northern Lights Possible In Pennsylvania
Forecasters at the Space Weather Prediction Center expect a strong geomagnetic storm to impact the Earth's atmosphere on Thursday evening, offering a chance for the northern lights across a large portion of the United States.
·Lancaster, United States
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Coverage Details
Total News Sources26
Leaning Left3Leaning Right1Center16Last UpdatedBias Distribution80% Center
Bias Distribution
- 80% of the sources are Center
80% Center
15%
C 80%
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