[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Aug 08 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Aug 08 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. The visible disk was spotless. There were no Earth-directed CMEs observed in available satellite imagery.

Forecast: Solar activity is expected to remain very low on 8-10 Aug.

Energetic Particles

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

Forecast: The greater than 2 MeV electron flux is expected to be at normal to moderate levels on 8-10 Aug and the greater than 10 MeV proton flux is expected to remain at background levels.

Solar Wind

24 hr Summary: Solar wind parameters were slightly enhanced. Wind speed was steady near 450 km/s and phi angle was variable. Forecast: Slightly enhanced solar wind conditions are expected to persist on days one and two (08-09 Aug). Day three may see an additional enhancement due to an approaching CIR ahead of an isolated negative polarity CH HSS.

Geospace

24 hr Summary: The geomagnetic field was quiet to unsettled.

Forecast: The geomagnetic field is expected to by quiet to unsettled on day one (8 Aug) as slightly enhanced solar wind conditions persist. Day two (9 Aug) is expected to be mostly quiet under a nominal solar wind regime. Day three (10 Aug) is expected to be quiet to unsettled in response to the aforementioned CIR/CH HSS activity.

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