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Subject: [Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Jan 05 1230 UTC
From: nw7us@sunspotwatch.com
Reply-to: Practical radio-wave propagation and space weather <propagation@contesting.com>
Date: Fri, 5 Jan 2018 20:07:09 +0000
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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Jan 05 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Region 2693 (N18W46, Axx/alpha) was inactive and showed signs of decay. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to remain very low all three days (05-07 Jan).

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was at normal levels and the greater than 10 MeV proton flux remained at background values.

Forecast: The greater than 2 MeV electron flux is expected to continue at normal levels and the greater than 10 MeV proton flux at background levels all three days (05-07 Jan).

Solar Wind

24 hr Summary: Solar wind parameters remained indicative of a slow solar wind regime. Total field strength ranged from 1 to 5 nT, while the Bz component underwent weak deviations. Solar wind speed decreased from near 400 to 350 km/s. The phi angle was predominantly positive.

Forecast: The slow solar wind regime is expected to continue on days one and two (05-06 Jan). The solar wind environment is anticipated to become enhanced late on day three (07 Jan) due to an approaching CIR ahead of a positive polarity CH HSS.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to remain quiet on days one and two (05-06 Jan). Day three (07 Jan) is expected to be quiet to unsettled as a CIR ahead of a CH HSS approaches.

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

Check out the stunning view of our Sun in action, as seen during the last five years with the Solar Dynamics Observatory (SDO): https://www.youtube.com/watch?v=zXN-MdoGM9g

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What's the difference between CB & amateur (ham) radio? Here ia a video with an opinion by our curator, Tomas (amateur radio operator, NW7US): Did NCIS TV Show Malign the Amateur Radio Service? https://www.youtube.com/watch?v=pIWJ7kKbxiM?t=1m33s

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If you are on Twitter, please follow these two users:

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

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Today's Space Weather Forecast Discussion - 2018 Jan 05 20:07 UTC

Live data: SunSpotWatch.com

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