Space Weather Message Code: ALTEF3 Serial Number: 3177 Issue Time: 2021 Dec 10 0956 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3176 Begin Time: 2021 Dec 09 1345 UTC Yesterday Maximum 2MeV Flux: 1281 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.
