[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Jan 21 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Jan 21 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. No Earth-directed CMEs were observed in coronagraph imagery.

Forecast: Solar activity is expected to be at very low levels on 21-23 Jan.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was below alert threshold values, and the greater than 10 MeV proton flux continued at background values.

Forecast: The greater than 2 MeV electron flux is expected to continue at normal to moderate levels on 21 Jan. Moderate to high levels are possible on 22-23 Jan with possible arrival of a weak, negative polarity CH HSS. The greater than 10 MeV proton flux is expected to remain at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were at background levels. Phi angle was predominantly negative.

Forecast: The solar wind environment could become enhanced on 21-22 Jan with the possible arrival of a weak, negative polarity CH HSS. Otherwise mostly quiet conditions are anticipated for the next three days (21-23 Jan).

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be at mostly quiet to unsettled levels through 22 Jan with possible influence from a weak, negative polarity CH HSS. An isolated active period (Kp=4) is possible if this feature becomes geoeffective. Mostly quiet conditions can be expected by 23 Jan.

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