[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Aug 21 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Aug 21 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Region 2772 (N17W70, Bxo/beta) continued to decay over the period. Coronal dimming was observed at 21/0219 UTC near S30E52 in SDO/AIA 193 imagery. Analysis of a potential CME will be performed as imagery becomes available.

Forecast: Very low solar activity is expected to continue on 21-23 Aug.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was at normal to moderate levels and the greater than 10 MeV proton flux maintained background values.

Forecast: The greater than 2 MeV electron flux is expected to continue at normal to moderate levels on 21-23 Aug and the greater than 10 MeV proton flux is expected to remain at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were at nominal levels. Solar wind speed ranged from 294-331 km/s. Total field ranged from 1-4 nT while the Bz component was between +/-2 nT. Phi angle was variable.

Forecast: Solar wind conditions are anticipated to remain at ambient-like levels for 21-22 Aug. Weak enhancements due to CH HSS influence are anticipated for 23 Aug.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be at quiet levels on 21-22 Aug. Quiet to unsettled levels are expected on 23 Aug due to a weak CH HSS.

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Live data: SunSpotWatch.com

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