[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Jun 29 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Jun 29 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. The visible solar disk remained spotless. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to persist at very low levels over the next three days (29 Jun-01 Jul).

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels this period with a peak flux of 5,570 pfu observed at 28/1935 UTC. The greater than 10 MeV proton flux was steady at background levels throughout the period.

Forecast: The greater than 2 MeV electron flux is expected to reach high levels each of the next three days (29 Jun-01 Jul) 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 continued to be enhanced under the influence of a negative polarity CH HSS. Solar wind speed ranged from approximately 480 km/s to near 545 km/s. Total field ranged from 3-5 nT while the Bz component was between +/-3 nT. Phi angle was oriented in a negative (towards) solar sector.

Forecast: Solar wind parameters are expected to remain slightly enhance over the next three days (29 Jun-01 Jul) due to the influence of multiple CH HSSs.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels over the next three days (29 Jun-01 Jul) due to the weak influences of multiple CH HSSs.

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