[Propagation+Space Weather] Weekly Propagation Summary - 2021 Aug 23 16:10 UTC

[nw7us@sunspotwatch.com]

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Here is this week's space weather and geophysical report, issued 2021 Aug 23 0105 UTC.

Highlights of Solar and Geomagnetic Activity 16 - 22 August 2021

Solar activity was low. Multiple C-class events were observed from Region 2859 (N19, L=140, class/area, Cao/140 on 22 Aug) including the largest, a C3 flare at 20/1557 UTC. No Earth-directed CMEs were observed in available imagery.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit reached moderate levels throughout the reporting period.

Geomagnetic field activity ranged from quiet to unsettled levels due to CH HSS influence.

Forecast of Solar and Geomagnetic Activity 23 August - 18 September 2021

Solar activity is expected to be very low with a chance for C-class flare activity.

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is expected to reach high levels on 27-30 Aug, with moderate levels throughout the remainder of the outlook period.

Geomagnetic field activity is expected to reach active levels on 25-26 Aug and 03 Sep, unsettled levels on 23-26 Aug and 02-03, 11-12 Sep due to recurrent CH HSS activity. Quiet levels are expected throughout the remainder of the outlook period.

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