[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Dec 29 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Dec 29 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low as there were only a few low level B-class enhancements. Region 2794 (S17W31, Hsx/alpha) was stable and inactive. Region 2795 (S19W04, Dao/beta) was stable and underwent some decay. No Earth-directed CMEs were observed.

Forecast: Solar activity is expected to be very low, with a slight chance for C-class flares, over 29-31 Dec.

Energetic Particle

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

Forecast: The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 29-31 Dec. The greater than 10 MeV proton flux is expected to persist at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were indicative of a mildly enhanced state. Total IMF strength ranged from about 3 to 7 nT and the Bz component was variable with a maximum southward orientation of -4 nT. Solar wind speed averaged mainly between 425-525 km/s. The phi angle was predominantly negative.

Forecast: Solar wind parameters are expected to remain mildly enhanced on 29 Dec due to weak influences of a negative polarity CH HSS. The return of a nominal solar wind regime is expected on 30-31 Dec.

Geospace

24 hr Summary: The geomagnetic field was quiet to unsettled.

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on 29 Dec due to negative polarity CH HSS influence. A return to quiet conditions is expected on 30-31 Dec.

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Live data: SunSpotWatch.com

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