Speaker
Description
During 2024, three ground level enhancements (GLEs) were observed, with onsets on 11 May, 8 June, and 21 November. GOES-16 and -18 made observations during all three GLEs, and additionally GOES-19 (launched 7 July 2024) made observations during GLE 76. Each satellite carries three solar energetic particle (SEP) instruments: two Solar and Galactic Proton Sensors (SGPS), looking eastward and westward in the orbit, and the Energetic Heavy Ion Sensor (EHIS), looking toward zenith. SGPS is the primary instrument for observing solar proton (1-500 MeV, >500 MeV) and alpha particle (1-224 MeV/n) fluxes. EHIS reports heavy ion fluxes by atomic number (Z) in five energy channels whose energies vary with Z (18-334 MeV/n for carbon, 38-826 MeV/n for iron). We use the 2024 GLEs as a framework for describing the status of the GOES SEP observations, including recent cross-calibrations, and we summarize current and planned availability of retrospective and real-time data.
| Session | 2 - Intense Events of 2024 |
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