Northern Lights Expected Across 16 US States Tonight Due to CMEs
Northern Lights Expected Across 16 US States Tonight Due to CMEs
US · Published Mar 18, 2026
• Northern Lights may be visible in 16 US states due to incoming coronal mass ejections.
• NOAA has issued a G2 geomagnetic storm watch for March 19, potentially enhancing aurora visibility.
• Aurora visibility depends on the magnetic field orientation of CMEs; southward alignment is more favorable.
Coronal mass ejections may cause auroras
The Northern Lights, also known as Aurora Borealis, are predicted to be visible across 16 US states as several coronal mass ejections (CMEs) approach Earth.
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