[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Nov 19 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Nov 19 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. Region 2727 (N01W65, Bxo/beta) continued to decay over the period. No Earth-directed CMEs were observed in available satellite imagery.

Forecast: Solar activity is expected to continue at very low levels on 19-21 Nov.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached moderate levels and the greater than 10 MeV proton flux was steady at background levels.

Forecast: The greater than 2 MeV electron flux is expected to reach moderate levels on 19-21 Nov 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 at nominal levels. Solar wind speed ranged from 305-350 km/s. Total field was at 1-8 nT while the Bz component was between +/-7 nT. Phi angle was predominantly oriented in a negative solar sector.

Forecast: Solar wind parameters are expected to be weakly enhanced on 20-21 Nov due to the influence of a negative polarity CH HSS.

Geospace

24 hr Summary: The geomagnetic field was quiet under a nominal solar wind regime.

Forecast: Mostly quiet conditions are expected on 19 Nov. Quiet to unsettled conditions are expected to prevail on 20-21 Nov due to negative polarity CH HSS activity.

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