Severe geomagnetic storm could make northern lights visible across much of U.S., forecasters say

A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.
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Severe geomagnetic storm sparks northern lights across North America and as far south as Mexico (photos)

Vivid auroras lit up skies across North America and Europe as a severe G4 geomagnetic storm, one of the strongest this solar ...
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Severe Geomagnetic Storm Watch issued for the U.S.

NOAA’s Space Weather Prediction Center (SWPC) has issued a Severe Geomagnetic Storm Watch for Wednesday, November 12, 2025.

NOAA Issues Rare ‘Severe Geomagnetic Storm’ Alert

Geomagnetic storms occur when charged particles from the sun collide with Earth’s atmosphere, creating auroras.
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Rare G4 Solar Storm Unleashes Auroras and Technology Risks Across U.S.

A surge of solar fury has swept across Earth’s magnetic shield, producing a rare G4-level geomagnetic storm that turned skies ...
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Solar storms hit Earth: What are they; where can Northern Lights be seen?

The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected.

This week's severe geomagnetic storm and aurora: What a G4 really means for our tech, power

As the northern lights lit up skies across the U.S., here's how agencies braced for potential disruptions to power grids and ...
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AST Blog: Rare G4 Solar Storm Expected

Get ready for a strong solar storm that could push the Northern Lights much farther south than we typically see. The Space ...

Northern lights dazzle across Lower 48 during G4 geomagnetic storm

A severe geomagnetic storm caused the northern lights to dazzle across the sky on Tuesday night. Vincent Ledvina, an aurora ...
Modern Engineering Marvels on MSN

Scintillating Auroras Unveiled by Rare G4 Geomagnetic Storm

A G4-level geomagnetic storm is one of the most extreme on the classification scale, and on November 11, it electrified the ...

Severe geomagnetic storm could impact Earth late Tuesday, early Wednesday

Officials say the CME is expected to arrive at and partially impact Earth around mid-day on November 12. “The potential for ...

Northern lights dazzle across Lower 48 during G4 geomagnetic storm from strongest solar flare of 2025

The northern lights dazzled Americans across much of the Lower 48 on Tuesday night, caused by a geomagnetic storm that reached G4 intensity.