[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Aug 17 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Aug 17 1230 UTC.

Solar Activity

24 hr Summary: Solar activity continued at very low levels under a spotless solar disk. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to remain very low on 17-19 Aug.

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux was at high levels with a maximum flux of 2,090 pfu at 16/1810 UTC. The greater than 10 MeV proton flux remained at background levels.

Forecast: The greater than 2 MeV electron flux is expected to be at moderate to high levels on 17-19 Aug. The greater than 10 MeV proton flux is expected to remain at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were at nominal levels with solar wind speed ranging from 350-420 km/s. Total field ranged from 2-5 nT while the Bz component was between +3/-5 nT. Phi angle was mostly oriented in a positive (away) solar sector.

Forecast: Weak enhancements in the solar wind are possible on 19 Aug due to potential interaction with a negative polarity CH HSS. Near-background conditions are expected for 17-18 Aug.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be mostly quiet over 17-19 Aug. Isolated periods of unsettled levels are possible on 19 Aug due to influence from a negative polarity coronal hole.

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Live data: SunSpotWatch.com

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