A G1-minor geomagnetic storm watch is in effect for January 31 and February 1 due to…
Category: Space Weather Reports
Space Weather
Earth-directed CME produced by M3.3 solar flare
A coronal mass ejection (CME) produced by the M3.3 solar flare at 10:39 UTC on January…
Impulsive M7.4 solar flare erupts from Region 3964
Solar activity increased again on January 17, with 5 M-class solar flares from 02:11 UTC to…
Major X1.8 solar flare erupts from AR 3947 – third X-class in a day
A large coronal mass ejection (CME), with an estimated velocity of 314 km/s, was produced during…
Major X1.1 solar flare erupts from Region 3947, G1 geomagnetic storm in progress
A major solar flare measuring X1.1 erupted from Active Region (AR) 3947 at 22:41 UTC on…
Major X1.2 solar flare erupts from NE limb – first X-class flare of 2025
There were no radio signatures that would suggest a coronal mass ejection (CME) was produced. Even…
Two CMEs impact Earth, producing G4 – Severe geomagnetic storm
The first CME reached the NOAA’s DSCOVR and ACE spacecraft at the L1 Lagrange point (approximately…
Two CMEs to impact Earth, G3 – Strong Geomagnetic Storm Watch in effect for December 31
Analysis and modeling of the first CME indicated an Earth-directed event with arrival at Earth by…
Solar activity ramps up with three X-class and over 20 M-class solar flares in 24 hours
A major solar flare measuring X1.5 erupted from Active Region (AR) 3936 at 04:14 UTC on…
Major X1.1 solar flare erupts from Region 3936
Solar activity increased again to high levels on December 29, with a major X1.1 solar flare…