[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2016 Jun 26 1230 UTC

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Here is the current forecast discussion on space weather and geophysical activity, issued 2016 Jun 26 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was at very low levels. The largest flare of the period was a B4 at 25/1544 UTC from an unnumbered region just beyond the NE limb near N16. No Earth-directed CMEs were observed during the period.

Forecast: Solar activity is expected to be very low throughout the forecast period (26-28 Jun) with only a slight chance for C-class flares.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was at normal to high levels, reaching a maximum flux of 1,930 pfu at 25/1755 UTC. The greater than 10 MeV proton flux was at background levels throughout the period.

Forecast: The greater than 2 MeV electron flux is expected to be at moderate to high levels over the next three days (26-28 Jun) 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 were slightly enhanced over the period. Solar wind speed was mostly in the 440-480 km/s range with total field increasing from 4 nT to 8 nT. The Bz component was variable between +/-5 nT. Phi angle was mostly oriented in a negative (towards) sector.

Forecast: Solar wind parameters are expected to remain slightly enhanced on day one (26 Jun) under the waning influence of a negative polarity CH HSS. Nominal solar wind parameters are expected on days two and three (27-28 Jun).

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (26 Jun) as CH HSS conditions slowly diminish. Mostly quiet conditions are expected on days two and three (27-28 Jun) with the return of a nominal solar wind regime.

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Live data: SunSpotWatch.com

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