[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2016 Jun 06 1230 UTC

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Here is the current forecast discussion on space weather and geophysical activity, issued 2016 Jun 06 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low and no flares were observed this period. No Earth-directed CMEs were observed in available coronagraph imagery. Forecast: Solar activity is expected to remain at very low levels over the next three days (06-08 Jun).

Energetic Particle

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 this period.

Forecast: The greater than 2 MeV electron flux is expected to reach moderate levels on day one (06 Jun) and high levels on days two and three (07-08 Jun). 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 were enhanced due to influences from a negative polarity CH HSS. Solar wind speeds increased from around 400 km/s to 600 km/s after 05/1500 UTC. Total field values reached 21 nT and Bz reached a maximum southward component of -15 nT at 05/1241 UTC. The phi angle was generally variable throughout the period.

Forecast: Solar wind parameters are expected to remain enhanced through late on day one (06 Jun) due to continued CH HSS influence. As CH HSS influence weakens and subsides over days two and three (07-08 Jun) solar wind parameters are expected to slowly return to near-background levels.

Geospace

24 hr Summary: The geomagnetic field reached G2 (Moderate) geomagnetic storm levels between 06/0300-0600 UTC due to the influence of a CH HSS.

Forecast: The geomagnetic field is expected to be unsettled to active with G1 (Minor) geomagnetic storms likely on day one (06 Jun) due to continued CH HSS influences. Quiet to unsettled levels are expected on day two (07 Jun) and quiet conditions are expected on day three (08 Jun) as CH HSS influences subside.

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