[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Oct 23 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Oct 23 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. No Earth-directed CMEs were observed in available satellite imagery.

Forecast: Solar activity is expected to persist at very low levels on 23-25 Oct.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was normal and the greater than 10 MeV proton flux was at background levels.

Forecast: The greater than 2 MeV electron flux is expected to be at normal levels on 23 Oct, increasing to normal to moderate levels on 24-25 Oct as a positive polarity CH HSS moves into a geoeffective position. The greater than 10 MeV proton flux is expected to continue at background levels throughout the forecast period.

Solar Wind

24 hr Summary: Solar wind parameters were at background levels under a nominal solar wind regime.

Forecast: Background solar wind conditions are expected on 23 Oct as a nominal solar wind regime persists. On 24 Oct, a CIR, ahead of an anticipated positive polarity CH HSS, is expected to produce enhancements in the solar wind environment that are expected to last into 25 Oct.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to remain generally quiet on 23 Oct under a nominal solar wind regime. On 24 Oct, a positive polarity CH HSS is expected to move into a geoeffective position, increasing activity to mostly unsettled to active levels, with isolated G1 (minor) storm periods likely. G1 (minor) storm conditions are likely to continue on 25 Oct as CH HSS influence persists.

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Live data: SunSpotWatch.com

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