Geomagnetic Storm 2024 Affected Areas. Another series of cmes associated with. G4 (severe) geomagnetic storming was observed at approximately 1442 utc on 12 aug in response to a coronal mass ejection passing by earth.
A geomagnetic storm is a major disturbance of earth’s magnetosphere that occurs when there is a very efficient exchange of energy from the solar wind into the space. An extreme g5 geomagnetic storm reached earth on friday, noaa’s space weather prediction center said, after issuing a watch earlier in the day warning.