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[Propagation+Space Weather] Weekly Propagation Summary - 2020 Sep 28 16:

To: propagation@contesting.com
Subject: [Propagation+Space Weather] Weekly Propagation Summary - 2020 Sep 28 16:10 UTC
From: nw7us@sunspotwatch.com
Reply-to: Practical radio-wave propagation and space weather <propagation@contesting.com>
Date: Mon, 28 Sep 2020 16:10:13 +0000
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Here is this week's space weather and geophysical report, issued 2020 Sep 28 0301 UTC.

Highlights of Solar and Geomagnetic Activity 21 - 27 September 2020

Solar activity was very low on 21-24 and 26-27 Sep. Solar activity reached low levels on 25 Sep when Region 2773 (N28, L=083, class/area=Bxo/10 on 23 Sep) produced a single C1 flare at 0038 UTC. No Earth-directed CMEs were detected this period.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit reached high levels on 24-27 Sep. Normal to moderate flux levels were observed throughout the remainder of the period.

Geomagnetic field activity reached G1-G2 (Minor-Moderate) storm levels on 27 Sep, with G1 (Minor) storm levels observed on 24-26 Sep, due to the influences of a pair of positive polarity coronal hole/high speed streams. Active conditions were observed on 23 Sep. Quiet and quiet to unsettled conditions prevailed throughout the remainder of the week.

Forecast of Solar and Geomagnetic Activity 28 September - 24 October 2020

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 high levels on 28 Sep-10 Oct and 21-24 Oct. Normal and normal to moderate flux levels are expected to persist throughout the remainder of the outlook period.

Geomagnetic field activity is anticipated to reach G1-G2 (Minor-Moderate) storm levels on 28-29 Sep, with G1 (Minor) storm levels likely on 30 Sep, and 21-23 Oct, due to CH HSS influence. Active conditions are likely on 01, 20, and 24 Oct. Quiet and quiet to unsettled conditions are expected to prevail throughout the remainder of the period.

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Live Aurora mapping is at http://aurora.sunspotwatch.com/

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Weekly Propagation Summary - 2020 Sep 28 16:10 UTC

Live data and images: SunSpotWatch.com

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