geomagnetic storm, North America
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As the northern lights lit up skies across the U.S., here's how agencies braced for potential disruptions to power grids and critical infrastructure.
A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.
The Northern Lights may be visible in the U.S. this week, following a geomagnetic storm forecast by space weather experts at NOAA.
The sun has burped out bursts of energy called coronal mass ejections that could reach Earth Tuesday night. Forecasters said the vibrant displays could be visible across much of the northern U.S.
The NOAA Space Weather Prediction Center has issued a Severe (G4) Geomagnetic Storm Watch for Wednesday, Nov. 12, following several large solar eruptions over the past few days.
A third CME wave is still expected to hit Earth on Wednesday, and it could spark a geomagnetic storm even more intense than the first two.