Solar Activity

Coronal Mass Ejections Geomagnetic Storms Solar Storms Solar Flares Coronal Holes Geomagnetic Activity Impact on Earth Northern Lights Geomagnetic Conditions Geomagnetic Storm Watch Solar Winds Storms Coronal Mass Ejection Solar Wind Radiation Storms

32 ARTICLES

5mo ago

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.

7 ARTICLES

8mo ago

NOAA Ups Aurora Outlook: Kp 5 Could Bring Northern Lights to 15 U.S. States Tonight

10 ARTICLES

10mo ago

Aurora Outlook Tightens for Dec. 23 After Minor Storm, With Northern U.S. Still in Play

3 ARTICLES

10mo ago

Northern Lights Possible Across Northern U.S. This Weekend, With Best Odds Friday Night

8 ARTICLES

11mo ago

NOAA: Northern Lights Possible in 10 States on Thanksgiving Night

6 ARTICLES

last yr.

NOAA Issues G2 Geomagnetic Storm Watch as AR 4168 CME Nears Earth

10 ARTICLES

last yr.

Geomagnetic Storm Keeps Aurora Borealis Glowing Over Northern U.S. Wednesday Night