[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 May 30 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 May 30 1230 UTC.

Solar Activity

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

Forecast: Solar activity is expected to remain at very low levels on 30 May-01 Jun.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was at normal to moderate levels, while the greater than 10 MeV proton flux remained at background levels.

Forecast: The greater than 2 MeV electron flux is expected to reach moderate levels on 30 May, then increase to moderate to high levels on 31 May-01 June due to CH HSS influence. The greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters remained enhanced under a negative polarity CH HSS. Total field averaged between 3-6 nT, while the Bz component reached a maximum southward deflection of -5 nT. Wind speeds ranged from 520-560 km/s. The phi angle was predominately in a negative solar sector, while undertaking only brief excursions into a positive orientation.

Forecast: The solar wind environment is expected to remain enhanced under CH HSS activity over the next two days. A return to near-background conditions is expected by 01 Jun as CH HSS influences wane.

Geospace

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

Forecast: Field conditions are expected to be at unsettled to active levels due to CH HSS activity over the next two days (30-31 May) with isolated active periods possible on 30 May. Mostly quiet conditions are anticipated on 01 Jun as CH HSS activity wanes.

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Live data: SunSpotWatch.com

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