Halley Margeaux

Solar Flare May 2024 Map.  — strongest geomagnetic storm since 2003, x5.8 solar flare. G5 conditions were first observed at earth at 6:54 p.m.

 — sdf number 133 issued at 2200z on 12 may 2024. Saturday, 11 may 2024 13:08 utc.