[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Jan 18 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Jan 18 1230 UTC.

Solar Activity

24 hr Summary: Solar activity remained very low and no sunspots were present on the visible disk. No CMEs were detected in available coronagraph imagery.

Forecast: Solar activity is expected to remain very low on 18-20 Jan.

Energetic Particle

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

Forecast: Normal to moderate levels of the greater than 2 MeV electron flux is expected on 18-20 Jan. The greater than 10 MeV proton flux is expected to maintain background levels all three days.

Solar Wind

24 hr Summary: Solar wind parameters were indicative of influences of a negative polarity CH HSS. Total field strength was elevated and reached a peak of near 11 nT, while the Bz component was mostly oriented northward. Solar wind speed averaged near 475 km/s. The phi angle was predominantly negative.

Forecast: The solar wind environment is likely to remain enhanced through 18 Jan due to influences of the negative polarity CH HSS continue. 19-20 Jan are expected to experience nominal conditions as CH HSS influences wane.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: Solar wind conditions are expected to remain elevated on 18 Jan in response to minor CH HSS effects. Quiet conditions are expected on 19-20 Jan as background-like conditions return.

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Live data: SunSpotWatch.com

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