Space Weather Message Code: ALTEF3 Serial Number: 3179 Issue Time: 2021 Dec 23 0545 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3178 Begin Time: 2021 Dec 22 1705 UTC Yesterday Maximum 2MeV Flux: 1190 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
