[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Jun 01 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Jun 01 1230 UTC.

Solar Activity

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

Forecast: Solar activity is expected to remain at very low levels on 01-03 Jun. Old Region 2741 (N05, L=272) is due to return on 01 Jun.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels with a peak flux of 4,446 pfu observed at 31/2035 UTC. The greater than 10 MeV proton flux remained at background levels.

Forecast: The greater than 2 MeV electron flux is expected to be at moderate to high levels all three days (01-03 Jun). The greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters returned to nominal levels. Total field ranged between 1-4 nT while the Bz component varied between +/-3 nT. Solar winds gradually decreased from near 440 km/s to approximately 370 km/s by periods end. The phi angle was predominantly negative.

Forecast: Nominal conditions are expected to continue over the next two days (01-02 Jun). A slight increase in wind parameters is expected by day three (03 Jun) due to weak, negative polarity CH HSS influence.

Geospace

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

Forecast: Field conditions are expected to be quiet over the next two days (01-02 Jun). Quiet to isolated unsettled levels are anticipated on 03 Jun due to weak, negative polarity CH HSS influence.

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Live data: SunSpotWatch.com

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