Forecast Discussion

Product: Forecast Discussion Issued: 2020 Mar 25 1230 UTC Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
Solar Activity
.24 hr Summary… Solar activity was very low. No Earth-directed CMEs were observed in available coronagraph imagery.
.Forecast… Very low solar activity is expected to continue 25-27 Mar.
Energetic Particle
.24 hr Summary… The greater than 2 MeV electron flux reached high levels, with a peak flux value of 1,303 pfu observed at 24/1640 UTC. The greater than 10 MeV proton flux maintained background values.
.Forecast… The greater than 2 MeV electron flux is expected to be at moderate to high levels on 25 Mar, then return to normal to moderate levels on 26-27 Mar. The greater than 10 MeV proton flux is expected to continue at background levels.
Solar Wind
.24 hr Summary… Solar wind parameters returned to nominal levels over the period. Solar wind speed decreased from 459 km/s to near 395 km/s. Total field ranged from 2-6 nT while the Bz component was between +5/-3 nT. Phi angle was oriented in a negative solar sector.
.Forecast… Solar wind conditions are expected to be at or near nominal levels on 25-27 Mar.
.24 hr Summary… The geomagnetic field was quiet.
.Forecast… The geomagnetic field is expected to be mostly quiet on 25-27 Mar.
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