[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Mar 18 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Mar 18 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. A new spot group emerged near N26E46, and will be considered for numbering over the course of the next period as reports from solar observatories become available. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Very low solar activity is expected to continue 18-20 Mar.

Energetic Particle

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

Forecast: The greater than 2 MeV electron flux is expected to continue at normal to moderate levels 18-20 Mar and the greater than 10 MeV proton flux is expected to remain at background.

Solar Wind

24 hr Summary: The solar wind parameters were near background-like conditions. Total field varied between 1 and 6 nT, and the Bz component was +/- 3 nT. Wind speeds averaged between 370-420 km/s, and the phi angle was predominantly in a negative orientation.

Forecast: Periods of minor enhancements and disturbances are likely 18-19 Mar due to weak CH HSS influences. An ambient, background solar wind regime is anticipated to prevail 20 Mar.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be mostly quiet, with isolated unsettled periods likely 18-19 Mar in response to any weak disturbances or enhancements in the solar wind. Primarily quiet conditions are expected on 20 Mar as any CH HSS influences wane.

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Live data: SunSpotWatch.com

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