Space Weather Forecast Discussion
Forecast Discussion
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
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.
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.
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.
Solar wind parameters are expected to be weakly enhanced on 20-21 Nov due to the influence of a negative polarity CH HSS.

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