[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2016 Jun 07 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2016 Jun 07 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. No numbered regions were observed on the solar disk. An approximately 11 degree long filament, centered near S35E64, disappeared between 06/1704-1824 UTC. Analysis of available coronagraph imagery suggests the event did not produce an Earth-directed component.

Forecast: Solar activity is expected to remain at very low levels all three days (07-09 Jun).

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 continued at background values.

Forecast: The greater than 2 MeV electron flux is expected to be at moderate to high levels on days one through three (07-09 Jun) due to CH HSS effects. The greater than 10 MeV proton flux is expected to continue at background levels all three days.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the ACE spacecraft, suggested waning effects of a CH HSS. Bt was variable at 4-8 nT. The Bz components maximum southward deflection was -5 nT but remained mostly neutral to positive throughout the past 24 hours. Wind speeds displayed a decreasing trend beginning the period at between 600-550 km/s to around 450 km/s by the periods end. Phi was mostly negative with rotation into the positive sector observed after 07/0500 UTC.

Forecast: Solar wind speed is expected to continue declining on day one (07 Jun) as the CH HSS effects wane. Solar wind speeds are expected to return to background levels on days two and three (08-09 Jun) as anticipated ambient solar wind conditions return.

Geospace

24 hr Summary: The geomagnetic field reached active conditions early in the period due to waning CH HSS effects.

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (07 Jun) due to waning CH HSS effects. Days two and three (08-09 Jun) are expected to be primarily quiet.

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Live data: SunSpotWatch.com

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