[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Jun 05 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Jun 05 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Region 2765 (Hsx/alpha) rotated further onto the visible disk, but was still foreshortened. USAF observatories reported some surging from the region as observed in H/A light, however, there were no B-level or higher X-ray flux enhancements. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Very low solar activity is expected to continue, with a slight chance for C-class flares 05-07 Jun, due to the minor instability noted in Region 2765.

Energetic Particle

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

Forecast: The greater than 2 MeV electron flux is expected to continue at primarily normal levels and the greater than 10 MeV proton flux is expected to remain at background 05-07 Jun.

Solar Wind

24 hr Summary: Solar wind parameters were indicative of a slow regime and proximity to the HCS. Total IMF strength ranged primarily from 3 to 5 nT and the Bz component underwent weak deviations most of the period. Solar wind speed was mainly less than 350 km/s. The phi angle shifted between sectors throughout the period.

Forecast: Primarily a slow solar wind regime is anticipated 05-07 Jun, however, proximity to the HCS and SSBC crossings may allow for weak disturbances in the IMF on 05 Jun. Possible minor influences from a weak, tenuous CH HSS may also cause minor disturbances and enhancements 06-07 Jun.

Geospace

24 hr Summary: Quiet conditions were observed during the period.

Forecast: Quiet conditions, with a chance of an unsettled period in response to minor SSBC effects, are expected 05 Jun. Primarily quiet conditions, with isolated unsettled periods likely, are expected 06-07 Jun due to possible weak influences of a tenuous CH HSS.

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