Severe Geomagnetic Storm 2024 Map. 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. Weak or minor degradation of hf radio communication on sunlit side, occasional loss of radio contact.

By late may 10, the arrival of the two halo cmes from may 8 is expected to increase the geomagnetic response to g1 (minor) storm levels. Edt on friday, about six hours after the sudden (and apparently early).