[Propagation+Space Weather] Weekly Propagation Summary - 2021 Jan 25 16:10 UTC

[nw7us@sunspotwatch.com]

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Here is this week's space weather and geophysical report, issued 2021 Jan 25 0126 UTC.

Highlights of Solar and Geomagnetic Activity 18 - 24 January 2021

Solar activity was at low and very levels for the highlight period. Other than 19-20 Jan, solar activity was very low with minimal B-level or below x-ray enhancements. Region 2797 (S17, L=335, class/area Cao/120 on 19 Jan) produced a C1 event on 19 Jan. Region 2798 (S16, L=331, class/area Cao/060 on 20 Jan) produced a C1.4/sf flare on 20 Jan. No Earth-directed CMEs were observed in available coronagraph imagery.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit remained at moderate levels throught the highlight period.

Geomagnetic field activity was quiet throught the period, except for 19-20 Jan. A single period of unsettled conditions was observed on both 19 and 20 Jan due to a solar sector boundary crossing (SSBC) as well as weak CH HSS activity.

Forecast of Solar and Geomagnetic Activity 25 January - 20 February 2021

Solar activity is expected to be at very low to low levels throughout the outlook period.

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at moderate levels throughout the outlook period.

Geomagnetic field activity is expected to reach unsettled levels on 25-26 Jan, 1-2 Feb, 7-8 Feb, and 20 Feb, due to recurrent CH HSS activity. Quiet levels are expected for the remainder of the outlook period.

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