[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Aug 07 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Aug 07 1230 UTC.

Solar Activity

24 hr Summary: Solar activity continued at very low levels. Region 2770 (N23E28, Cso/beta) was mostly stable and produced only B-level enhancements. No Earth-directed CMEs were observed.

Forecast: Solar activity is expected to remain at very low levels for 07-09 Aug.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels, with a peak flux of 1,974 pfu at 06/1710 UTC. The greater than 10 MeV proton flux remained at background levels.

Forecast: The greater than 2 MeV electron flux is anticipated to reach high levels on 07-08 Aug before returning to moderate levels on 09 Aug. The greater than 10 MeV proton flux is expected to remain at background levels for the forecast period.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the DSCOVR spacecraft, reflected continued effects of a positive polarity CH HSS. Total magnetic field strength was at or below 5 nT. Solar wind speeds gradually decreased through the period from 530 km/s to near 450 by periods end. Phi angle was oriented in a predominantly positive sector.

Forecast: Solar wind parameters are expected to continue to wane over the remainder of 07 Aug. Another weak enhancement from a small, positive polarity CH HSS is possible on 08 Aug. A return to nominal conditions is expected for 09 Aug.

Geospace

24 hr Summary: The geomagnetic field was at quiet levels.

Forecast: The geomagnetic field is expected to continue at mostly quiet levels over 07 Aug. Quiet to unsettled conditions may occur on 08 Aug in response to a weak CH HSS. 09 Aug will likely be quiet as nominal solar wind conditions return.

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