Science ❯ Astronomy ❯ Auroras ❯ Geomagnetic Storms

Solar Activity

NOAA Issues Watch for Possible G3–G4 Geomagnetic Storms That Could Bring Auroras to 23 States

Confirmation of storm strength and timing will depend on real-time DSCOVR solar-wind readings that show whether the interplanetary magnetic field turns southward.

74 ARTICLES

6mo ago

NOAA Warns of Strong Geomagnetic Storm Tonight as Auroras May Reach Unusually Far South

90 ARTICLES

8mo ago

Auroras Sweep the U.S. After G4 Storm as Forecasters Watch for More Activity Into Thursday

86 ARTICLES

8mo ago

Severe Geomagnetic Storm Pushes Auroras to Unusually Low Latitudes as Forecasts Flag Further CME Risk

151 ARTICLES

8mo ago

Severe Solar Storm Ignites Auroras as Forecasters Track Third, Stronger CME

107 ARTICLES

8mo ago

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

33 ARTICLES

last yr.

Geomagnetic Storm Fuels Northern Lights Across U.S.; Tuesday’s Visibility Dims Outside Alaska

26 ARTICLES

last yr.

Geomagnetic Storm Sparks Widespread Aurora Displays Across Northern Hemisphere

19 ARTICLES

last yr.

Thanksgiving Solar Storm Brings Rare Northern Lights Viewing Opportunity Across U.S.

103 ARTICLES

last yr.

Northern Lights Brighten Skies Across Unusually Southern Regions