Surprise geomagnetic storm arrives early as NOAA warns more solar impacts are on their way today
November 7, 2025
A geomagnetic storm surprised forecasters overnight as material from recent solar eruptions arrived earlier than expected, briefly reaching strong (G3) levels. Now, NOAA has a G3 geomagnetic storm watch in effect as Earth braces for further impacts from multiple coronal mass ejections (CMEs) launched in quick succession from sunspot region AR4274.
The CME that left the sun on Nov. 5 could…