[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Oct 31 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Oct 31 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low with no sunspots on the visible disk. No Earth-directed CMEs were detected in available satellite imagery.

Forecast: Solar activity is expected to continue at very low levels on 31 Oct - 02 Nov.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels this period, with a peak flux of 20,047 pfu observed at 30/1515 UTC. The greater than 10 MeV proton flux remained at background levels.

Forecast: The greater than 2 MeV electron flux is expected to reach high levels on 31 Oct - 02 Nov. The greater than 10 MeV proton flux is expected to persist at background levels throughout the forecast period.

Solar Wind

24 hr Summary: The solar wind environment reflected enhancements due to possible onset of a CIR and subsequent negative polarity CH HSS. Total field reached a maximum of 13 nT, while the Bz component fluctuated between 10 nT and -4 nT. Solar wind speed remained under 400 km/s. Phi was variable.

Forecast: Solar wind parameters are expected to remain at enhanced levels through 01 Nov due to influences from a negative polarity CH HSS. By 02 Nov, CH influence is expected to subside, returning to a background solar wind environment.

Geospace

24 hr Summary: The geomagnetic field was mostly quiet to unsettled, with an isolated active period due to CH HSS influences.

Forecast: Quiet to unsettled conditions are expected on 31 Oct - 01 Nov, with a chance for an isolated active period on 31 Oct, under the influence of a negative polarity CH HSS. Quiet conditions are anticipated by 02 Nov.

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Live data: SunSpotWatch.com

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