Issued: 2019 Aug 23 0030 UTC
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
Solar Activity 24 hr summary
Solar activity was at very low levels. No Earth-directed CMEs were observed in available coronagraph imagery.
Solar Activity Forecast
Solar activity is expected to continue at very low levels on 23-25 Aug.
Energetic Particle 24 hr summary
The greater than 2 MeV electron flux reached moderate levels. The greater than 10 MeV proton flux remained at background levels.
Energetic Particle Forecast
The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 23-25 Aug. The greater than 10 MeV proton flux is expected to remain at background levels.
Solar Wind 24 hr summary
Solar wind parameters, as measured by the ACE spacecraft, reflected nominal conditions. Total magnetic field strength was below 5 nT and solar wind speeds were between 345-365 km/s. Phi angle transitioned to predominatly positive after 22/0325 UTC.
Solar Wind Forecast
Solar wind parameters are expected to remain nominal on 23-25 Aug.
Geospace 24 hr summary
The geomagnetic field was quiet.
Geospace Forecast
The geomagnetic field is expected to be mostly quiet on 23-25 Aug under a nominal solar wind regime.