[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Jun 27 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Jun 27 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low as Region 2743 (N03W88, Axx/alpha) remained inactive. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to remain very low 27-29 Jun as Region 2743 beyond the limb.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was at normal levels and the greater than 10 MeV proton flux remained at background values.

Forecast: The greater than 2 MeV electron flux is expected to be at normal to moderate levels 27-29 Jun due to minor influences from a weakly interacting CH HSS. The greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were indicative of a slightly enhanced and disturbed regime likely due to anticipated negative polarity CH HSS and HCS proximity. Total IMF strength ranged from 1 to 5 nT and the Bz component underwent mainly weak deviations. Solar wind speeds were steadily between 370 and 410 km/s. The phi angle was predominately negative, only undergoing brief excursions into a positive solar sector.

Forecast: The solar wind environment is expected to remain mildly disturbed and enhanced on 27 Jun due to the continuing proximity of the HCS and a negative polarity CH HSS. Conditions are anticipated to return towards a more ambient, background-like state on 28-29 Jun.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be mainly quiet 27-29 Jun.

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Live data: SunSpotWatch.com

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