Space Weather Forecast Discussion
| Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center |
| Issued: 2018 Nov 19 1230 UTC |
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| 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. |
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| 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. |
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| 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. |
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| 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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