[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Nov 21 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Nov 21 1230 UTC.

Solar Activity

24 hr Summary: Solar activity remained very low. There are no numbered regions. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to continue at very low levels on 21-23 Nov.

Energetic Particle

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

Forecast: The greater than 2 MeV electron flux is expected to reach normal to moderate levels on 21-23 Nov, and the greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were slightly elevated. Total magnetic field strength reached a peak of 10 nT at 21/0241 UTC. -6 nT was the maximum southward extent of Bz. Solar wind speeds were between 390-435 km/s. Phi angle was predominantly in the negative sector.

Forecast: Solar wind parameters are expected to remain slightly enhanced on 21 Nov. Ambient conditions are expected to return for 22-23 Nov.

Geospace

24 hr Summary: The geomagnetic field was mostly quiet with the exception of an isolated unsettled period.

Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on 21 Nov due to waning CH HSS influence. Mostly quiet conditions are expected on 22-23 Nov under an anticipated ambient solar wind regime.

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Live data: SunSpotWatch.com

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