Propagation
[Top] [All Lists]

[Propagation+Space Weather] Today's Space Weather Forecast Discussion on

To: propagation@contesting.com
Subject: [Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Dec 28 1230 UTC
From: nw7us@sunspotwatch.com
Reply-to: Practical radio-wave propagation and space weather <propagation@contesting.com>
Date: Mon, 28 Dec 2020 20:07:06 +0000
List-post: <mailto:propagation@contesting.com>
This e-mail posting is from the Radio Propagation Reflector that you're 
currently subscribed to.  Refer to the end of this e-mail for directions on how 
to change your subscription options, or to unsubscribe.
_______________________-start-_________________

Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Dec 28 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low with only B-class flare activity observed. Region 2794 (S16W19, Hsx/alpha) exhibited little change while Region 2795 (S17E09, Dso/beta) exhibited intermediate spot consolidation. No Earth-directed CMEs were observed in available satellite imagery.

Forecast: Solar activity is expected to be very low, with a slight chance for C-class flares, over 28-30 Dec.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux reached high levels this period with a peak flux of 1,657 pfu observed at 27/1500 UTC. The greater than 10 MeV proton flux was steady at background levels.

Forecast: The greater than 2 MeV electron flux is expected to reach high levels on 28 Dec, with an expected return to normal-to-moderate levels on 29-30 Dec. The greater than 10 MeV proton flux is expected to persist at background levels.

Solar Wind

24 hr Summary: Solar wind parameters remained enhanced this period, possibly due to the initial onset of negative polarity CH HSS influence. Solar wind speed values steadily increased from around 450 km/s early in the period to a peak of around 600 km/s, observed between 28/0730-0800 UTC. Solar wind speeds became relatively steady at around 525 km/s through the remainder of the period. Total field strength varied between 2-8 nT and Bz varied between +/-6 nT. The phi angle was predominately negative (toward) throughout the period.

Forecast: Solar wind parameters are expected to remain enhanced over 28-29 Dec due to the influence of a negative polarity CH HSS. The return of a nominal solar wind regime is expected on 30 Dec.

Geospace

24 hr Summary: The geomagnetic field was at quiet levels.

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels for 28-29 Dec due to negative polarity CH HSS influence. A return to quiet conditions is expected on 30 Dec.

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: + https://Twitter.com/NW7US + https://Twitter.com/hfradiospacewx

- - - - - - - - - - - - - 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! - - - - - - - - - - - - - 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 ..

We're on Facebook: http://NW7US.us/swhfr



Today's Space Weather Forecast Discussion - 2020 Dec 28 20:07 UTC

Live data: SunSpotWatch.com

_______________________________________________
Propagation mailing list
Propagation@contesting.com

To change your subscription settings, or to unsubscribe, visit:
http://lists.contesting.com/mailman/listinfo/propagation
<Prev in Thread] Current Thread [Next in Thread>
  • [Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Dec 28 1230 UTC, nw7us <=