[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Sep 23 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Sep 23 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. The visible solar disk remained spotless. No Earth-directed CMEs were observed.

Forecast: Solar activity is expected to be very low on 23-25 Sep.

Energetic Particles

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

Forecast: The greater than 2 MeV electron flux is expected to reach moderate levels while the greater than 10 MeV proton flux is expected to persist at background levels on 23-25 Sep.

Solar Wind

24 hr Summary: Solar wind parameters reflected near-background conditions. Total magnetic field strength was mostly 4 to 6 nT. The Bz component generally varied between +3 to -5 nT. Solar wind speeds increased from near 325-375 km/s. Phi angle was predominately in a positive orientation.

Forecast: The solar wind environment is expected to persist at mostly background levels until the anticipated arrival of a recurrent, positive polarity CH HSS on day one (23 Sep) and through day three (25 Sep).

Geospace

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

Forecast: The geomagnetic field is expected to be quiet to unsettled on day one (23 Sep). Days two and three (24-25 Sep) are expected to be mostly quiet to unsettled, with likely active periods late on 24 Sep and early 25 Sep, due to the arrival of the aforementioned CH HSS.

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Live data: SunSpotWatch.com

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