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

[nw7us@sunspotwatch.com]

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

Solar Activity

24 hr Summary: Solar activity was at very low levels under a spotless visible disk. No Earth-directed CMEs were observed in available satellite imagery.

Forecast: Solar activity is expected to be very low on 30 Sep - 02 Oct.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels. The greater than 10 MeV proton flux was at background levels.

Forecast: The greater than 2 MeV electron flux is expected to reach high levels on 30 Sep - 02 Oct. The greater than 10 MeV proton flux is expected continue at background levels on 30 Sep - 02 Oct.

Solar Wind

24 hr Summary: Solar wind parameters were enhanced again today due to continued positive polarity CH HSS influence. Solar wind speed varied between 550-625 km/s over the period. Total field averaged near 5 nT while the Bz component varied between +5/-6 nT. Phi angle was predominantly oriented in a positive (away) solar sector.

Forecast: Solar wind parameters are expected to remain enhanced on 30 Sep - 02 Oct from CH HSS influences. Elevated solar wind speed is likely to persist for the period, though slowly waning.

Geospace

24 hr Summary: The geomagnetic field reached active levels due to continued CH HSS activity.

Forecast: The geomagnetic field is expected to be unsettled to active, with an early, isolated period of G1 (Minor) storm conditions likely on 30 Sep. Unsettled to active levels are likely on 01 Oct due to continuing but waning coronal hole high speed stream activity. Mostly unsettled conditions are expected on 02 Oct as CH activity wanes.

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Live data: SunSpotWatch.com

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