[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Apr 11 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Apr 11 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to be at very low levels on 11-13 Apr.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux reached moderate levels and the greater than 10 MeV proton flux maintained background levels.

Forecast: The greater than 2 MeV electron flux is expected to continue at normal to moderate levels through 13 Apr. The greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were at nominal levels. Solar wind speed slowly decreased through the period from approximately 400 km/s to near 335 km/s. Total field ranged from 1-6 nT while the Bz component varied between +4/-5 nT. Phi angle was in a predominately negative solar sector.

Forecast: Solar wind parameters are expected to be enhanced beginning midday to late on 11 Apr through 12 Apr due to negative polarity CH HSS influence. A return to nominal levels is expected on 13 Apr.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be at quiet to isolated active levels on 11 Apr, and quiet to unsettled levels on 12 Apr, due to CH HSS activity. A return to mostly quiet conditions is expected on 13 Apr as HSS effects wane.

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Live data: SunSpotWatch.com

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