[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Mar 30 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Mar 30 1230 UTC.

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 on 30 Mar - 01 Apr.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux was at moderate levels. The greater than 10 MeV proton flux continued at background values.

Forecast: The greater than 2 MeV electron flux is expected to be at moderate levels on 30 Mar - 01 Apr. The greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the DSCOVR spacecraft, reflected mostly nominal conditions. Total magnetic field strength was at 6 nT or below, while the Bz component was primarily southward with a maximum southward extent of -5 nT. Solar wind speeds gradually declined through the period from about 420 km/s to near 350 km/s. The phi angle was in a predominately negative orientation with some positive sector rotations.

At 30/1132 UTC, an uptick in wind parameters was observed. Total field reached 8nT, while wind speed increased from about 360 km/s to 434 km/s.

Forecast: Solar wind conditions are likely to observe an enhancement in solar wind conditions on 30 Mar - 01 Apr due to the influence of a negative polarity CH HSS.

Geospace

24 hr Summary: The geomagnetic field was at quiet to unsettled levels.

Forecast: The geomagnetic field is likely to reach unsettled to active conditions 30 - 31 Mar due to negative polarity CH influence. Quiet to unsettled levels are likely on 01 Apr as influence from the CH HSS gradually wanes.

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