Weekly Propagation Summary – 2019 Aug 05 16:10 UTC

Weekly Propagation Summary (2019 Aug 05 16:10 UTC)

Here is this week’s space weather and geophysical report, issued 2019 Aug 05 0339 UTC.

Highlights of Solar and Geomagnetic Activity 29 July – 04 August 2019

Solar activity was very low under a spotless solar disk. Other activity included a filament eruption observed in SDO/AIA 304 imagery beginning at 04/1640 UTC in the NW quadrant. Analysis is on-going for any potential coronal mass ejections (CMEs) as coronagraph imagery becomes available.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit was normal levels during the period.

Geomagnetic field activity ranged from quiet to unsettled levels. Solar wind parameters indicated the arrival of a co-rotating interaction region (CIR) preceding a negative polarity coronal hole high speed stream (CH HSS) beginning midday on 30 Jul. Total field increased to 11 nT by 30/2024 UTC while solar wind speed increased to a maximum of 596 km/s at 01/0503 UTC. The geomagnetic field responded with quiet to unsettled periods on 30 Jul-01 Aug.

Forecast of Solar and Geomagnetic Activity 05 August – 31 August 2019

Solar activity is expected to continue at very low levels for the forecast period (05-31 Aug).

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 05 Aug and 18 Aug. High levels are expected on 06-17 Aug due to CH HSS influence.

Geomagnetic field activity is expected to be reach unsettled to active levels on 05-08, 10-11, 17-18, 26-28, and 31 Aug with G1 (Minor) geomagnetic storm levels likely on 05-06 Aug due to recurrent CH HSS effects.

Don’t forget to visit our live space weather and radio propagation web site, at: http://SunSpotWatch.com/

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

If you are on Twitter, please follow these two users: 1. https://Twitter.com/NW7US 2. https://Twitter.com/hfradiospacewx

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Be sure to subscribe to our space weather and propagation email group, on Groups.io

https://groups.io/g/propagation-and-space-weather

Spread the word!

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Links of interest:

+ Amazon space weather books: http://g.nw7us.us/fbssw-aSWSC
+ https://Twitter.com/NW7US
+ https://Twitter.com/hfradiospacewx

Space Weather and Ham Radio YouTube Channel News:

I am working on launching a YouTube channel overhaul, that includes series of videos about space weather, radio signal propagation, and more.

Additionally, I am working on improving the educational efforts via the email, Facebook, YouTube, Tumblr, and other activities.

You can help!

Please consider becoming a Patron of these space weather and radio communications services, beginning with the YouTube channel:

https://www.patreon.com/NW7US

The YouTube channel:
https://YouTube.com/NW7US

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Tomas Hood, NW7US, is a regular contributor to AmateurRadio.com and writes from Nebraska, USA. Tomas is the Space Weather and Radio Propagation Contributing Editor to 'CQ Amateur Radio Magazine', 'The Spectrum Monitor', and 'RadioUser UK Magazine'.

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