Science ❯ Astronomy ❯ Solar Activity ❯ Coronal Mass Ejections

Geomagnetic Storms

NOAA Issues G3 Geomagnetic Storm Watch for June 4–5

Forecasters say a cluster of interacting CMEs and high-speed solar wind could drive rapid G3 conditions with isolated G4 intervals, risking impacts to power, satellites and radio systems.

10 ARTICLES

5mo ago

Northern Lights Possible Across Northern U.S. Tonight as NOAA Issues G1–G2 Storm Watch

82 ARTICLES

10mo ago

Aurora Seen Across UK as 'Cannibal' CME Drives Geomagnetic Storm

21 ARTICLES

11mo ago

G2 Geomagnetic Storm Watch Expands Northern Lights Visibility to 15 States

7 ARTICLES

last yr.

Minor Geomagnetic Storms Follow Solar Flare and Filament Eruption

5 ARTICLES

last yr.

Strong Solar Storm to Bring Northern Lights Farther South and Disrupt Technology

26 ARTICLES

last yr.

Geomagnetic Storm Sparks Widespread Aurora Displays Across Northern Hemisphere

8 ARTICLES

last yr.

NASA Predicts Year-Long Surge in Spectacular Auroras

15 ARTICLES

last yr.

Rising Solar Activity Raises Concerns Over Readiness for Major Storms

103 ARTICLES

last yr.

Northern Lights Brighten Skies Across Unusually Southern Regions

32 ARTICLES

last yr.

Northern Lights Expected Across Northern U.S. Amid Strong Solar Activity

35 ARTICLES

last yr.

Major Geomagnetic Storm Expected to Trigger Auroras Across U.S.

20 ARTICLES

last yr.

Northern Lights Expected to be Visible Across Unusual Latitudes

149 ARTICLES

2y ago

Extreme Solar Storm Unleashes Global Aurora Displays, Disrupts Communications

27 ARTICLES

2y ago

Record-breaking Solar Storm Triggers Spectacular Auroras Worldwide

Geomagnetic Storms

NOAA Issues G3 Geomagnetic Storm Watch for June 4–5

New X4.2 Solar Flare Erupts From AR4366 as Earlier CME Nears Earth

NOAA Issues G2 Geomagnetic Storm Watch as Giant Sunspot Cluster Faces Earth

Astronomers Confirm First Coronal Mass Ejection From a Star Beyond the Sun

G4 Geomagnetic Storm Lights Up U.S. Skies as Third Solar Blast Nears

Strong Geomagnetic Storm Triggers Widespread Aurora With More Possible Tonight

Northern Lights Possible Across Northern U.S. Tonight as NOAA Issues G1–G2 Storm Watch

Aurora Seen Across UK as 'Cannibal' CME Drives Geomagnetic Storm

G2 Geomagnetic Storm Watch Expands Northern Lights Visibility to 15 States

Minor Geomagnetic Storms Follow Solar Flare and Filament Eruption

Never miss stories about

Geomagnetic Storms

Strong Solar Storm to Bring Northern Lights Farther South and Disrupt Technology

Geomagnetic Storm Sparks Widespread Aurora Displays Across Northern Hemisphere

NASA Predicts Year-Long Surge in Spectacular Auroras

Rising Solar Activity Raises Concerns Over Readiness for Major Storms

Northern Lights Brighten Skies Across Unusually Southern Regions

Northern Lights Expected Across Northern U.S. Amid Strong Solar Activity

Major Geomagnetic Storm Expected to Trigger Auroras Across U.S.

Northern Lights Expected to be Visible Across Unusual Latitudes

Extreme Solar Storm Unleashes Global Aurora Displays, Disrupts Communications

Record-breaking Solar Storm Triggers Spectacular Auroras Worldwide

Never miss stories about

Geomagnetic Storms