[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Jul 27 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Jul 27 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Region 2767 (S20W01, Hsx/alpha) was quiet and stable. No Earth-directed CMEs were observed in available imagery.

Forecast: Solar activity is expected to remain at very low levels on 27-29 Jul.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux reached moderate levels and the greater than 10 MeV proton flux remained at background levels.

Forecast: The greater than 2 MeV electron and 10 MeV proton fluxes are expected to remain below event thresholds on 27-29 Jul.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the DSCOVR spacecraft, reflected nominal conditions. Total magnetic field strength was at or below 5 nT. Solar wind speeds were between 357-427 km/s. Phi angle was oriented in the negative sector.

Forecast: The solar wind environment is expected to continue at nominal levels on 27 Jul. A weak enhancement is anticipated on 28-29 Jul as a negative polarity CH HSS becomes geoeffective.

Geospace

24 hr Summary: The geomagnetic field was quiet. Forecast: The geomagnetic field is expected to be at mostly quiet levels on 27 Jul. Quiet to unsettled levels are expected on 28-29 Jul due to the anticipated onset of CH HSS influence.

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