[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Oct 28 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Oct 28 1230 UTC.

Solar Activity

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

Forecast: Solar activity is expected to be very low on 28-30 Oct.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux was at normal levels 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 to moderate levels on 28-30 Oct and the greater than 10 MeV proton flux is expected to persist at background levels throughout the forecast period.

Solar Wind

24 hr Summary: Solar wind parameters reflected nominal background conditions.

Forecast: Nominal levels are anticipated on 28 Oct under a nominal solar wind regime. A weak enhancement in total magnetic field strength (Bt) is anticipated on 29 Oct from a SSBC. An additional enhancement in Bt and solar wind speed is expected on 30 Oct due to influence of a negative polarity CH HSS.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: Mostly quiet levels are expected on 28 Oct under nominal solar wind conditions. Quiet to unsettled levels are likely on 29-30 Oct, with isolated active levels possible on 30 Oct, due to the anticipated influence of a SSBC followed by the influence of a negative polarity CH HSS.

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