[Propagation+Space Weather] Weekly Propagation Summary - 2018 Dec 10 16:10 UTC

[nw7us@sunspotwatch.com]

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Here is this week's space weather and geophysical report, issued 2018 Dec 10 0222 UTC.

Highlights of Solar and Geomagnetic Activity 03 - 09 December 2018

Solar activity was very low throughout the period. Region 2729 (S05, L=229, class/area=Cro/50 on 06 Dec) was the only region with sunspots and produced multiple low-level B-class flare late in the period. A CME associated with a filament eruption on 30 Nov was predicted to hit Earth on 05 Dec, but this event did not materialize.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit reached moderate levels on 06, and 08-09 Dec and normal levels were observed throughout the remainder of the period.

Geomagnetic field activity reached active levels late on 09 Dec in response to coronal hole/high speed stream effects. Quiet and quiet to unsettled conditions were observed throughout the remainder of the period.

Forecast of Solar and Geomagnetic Activity 10 December - 05 January 2019

Solar activity is expected to be very low 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 reach moderate levels on 10-16 Dec and 03-05 Jan with normal flux levels expected for the remainder of the outlook period.

Geomagnetic field activity is expected to reach active levels on 10 Dec and 29 Dec due to coronal hole/high speed stream effects. Quiet or quiet to unsettled conditions are expected throughout the remainder of the outlook period.

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