[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2020 Jul 25 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2020 Jul 25 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Region 2767 (S21E27, Hsx/alpha) was quiet and stable. No Earth-directed CMEs were observed in available imagery.

Forecast: Solar activity is expected to remain very low on 25-27 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 25-27 Jul.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the DSCOVR spacecraft, suggested the influence of a passing transient from the 19 Jul CME. Total magnetic fiend strength was elevated to between 6-10 nT. The Bz component was primarily southward with maximum southward deflection of -9 nT at 24/2249 UTC. Solar wind speeds were mostly steady between ~350-375 km/s. Phi angle transitioned from negative to positive at 25/0000 UTC.

Forecast: Solar wind parameters are expected to be enhanced throughout the forecast period (25-27 Jul) due to the aforementioned CME arrival.

Geospace

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

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels, with active conditions likely, on day one (25 Jul). Quiet to unsettled levels are expected on day two (26 Jul). Mostly quiet conditions are expected on day three (27 Jul) as CME effects slowly wane.

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Live data: SunSpotWatch.com

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