Forecast Discussion

Product: Forecast Discussion Issued: 2018 Oct 31 1230 UTC Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
Solar Activity
.24 hr Summary… Solar activity remained very low. There were no sunspots, and no Earth-directed CMEs were observed in available satellite imagery.
.Forecast… Solar activity is expected to be very low 31 Oct-2 Nov.
Energetic Particles
.24 hr Summary… The greater than 2 MeV electron flux was at normal levels and the greater than 10 MeV proton flux was at background levels.
.Forecast… The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 31 Oct-2 Nov, and the greater than 10 MeV proton flux is expected to persist at background levels throughout the forecast period.
Solar Wind
.24 hr Summary… The solar wind environment was at nominal levels.
.Forecast… A negative polarity CH HSS is possible on 31 Oct. Mostly quiet conditions are expected 1-2 Nov with a return to background levels.
Geospace
.24 hr Summary… The geomagnetic field was at quiet levels.
.Forecast…
Quiet to unsettled levels are possible on 31 Oct with a negative polarity CH HSS. Mostly quiet conditions are expected 1-2 Nov as CH HSS (negative polarity) effects diminish.
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