[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Jul 18 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Jul 18 1230 UTC.

Solar Activity

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

Forecast: Solar activity is expected to be very low with no numbered active regions present.

Energetic Particles

24 hr Summary: The greater than 2 MeV electron flux reached moderate 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. The greater than 10 MeV proton flux is expected to continue at background levels.

Solar Wind

24 hr Summary: Solar wind parameters indicated a slightly elevated solar wind velocities, averaging near 425 km/s over the past 24 hours.

Forecast: Solar wind parameters are expected to remain elevated, but benign, with average solar wind velocities at or under 500 km/s for the next 3 days. Density enhancement and magnetic variations are expected as a CIR prior to the onset of a CH HSS is expected late on day three.

Geospace

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

Forecast: The geomagnetic field is expected to be quiet to unsettled for days one and two. Active conditions are possible on day three with the anticipated CIR ahead of a CH HSS expected late on the day.

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Live data: SunSpotWatch.com

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