[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Jan 14 1230 UTC

[nw7us@sunspotwatch.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 2018 Jan 14 1230 UTC.

Solar Activity

24 hr Summary: Solar activity remained very low and the visible disk remained spotless. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to remain at very low levels throughout the forecast period (14-16 Jan).

Energetic Particle

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

Forecast: The greater than 2 MeV electron flux is expected to increase to moderate to high levels late on day one through day three (14-16 Jan) following a period of enhanced solar wind. The greater than 10 MeV proton flux is expected to continue at background levels throughout the forecast period.

Solar Wind

24 hr Summary: Solar wind parameters were enhanced due to the influence of a positive polarity CH HSS. Solar wind speeds increased from initial values near 325 km/s to a peak of 612 km/s at around 14/0230 UTC. Total field strength reached 15 nT early in the period and Bz briefly reached -9 nT.

Forecast: Solar wind parameters are expected to remain enhanced through days one and two (14-15 Jan) under continued positive polarity CH HSS influence. A gradual return to near-background solar wind conditions is expected to begin by day three (16 Jan) with the return of a nominal solar wind regime.

Geospace

24 hr Summary: The geomagnetic field reached G1 (Minor) geomagnetic storm levels between 14/0000-0300 UTC in response to an enhanced solar wind environment associated with the influence of a positive polarity CH HSS.

Forecast: The geomagnetic field is expected to be quiet to unsettled for the remainder of day one through day two (14-15 Jan) under continued CH HSS influence. Generally quiet conditions are expected on day three (16 Jan) as CH HSS effects wane and subside.

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

-=-=-=-=-=-

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

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

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