[Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2019 Jul 26 1230 UTC

[nw7us@sunspotwatch.com]

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Here is the current forecast discussion on space weather and geophysical activity, issued 2019 Jul 26 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low as the solar disk remained spotless. No Earth-directed CMEs were observed in available imagery.

Forecast: Solar activity is expected to remain very low on 26-28 Jul.

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 26-28 Jul and the greater than 10 MeV proton flux is expected to continue at background values.

Solar Wind

24 hr Summary: Solar wind parameters, as measured by the ACE spacecraft, reflected nominal conditions. Total magnetic field strength remained below 5 nT. Solar wind speeds declined from 360 km/s to near 330 km/s over the reporting period. Phi angle was predominantly oriented in the negative sector.

Forecast: Solar wind conditions are anticipated to continue at background levels on 26-28 Jul, with minor CH HSS enhancements likely.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be mostly quiet, with isolated periods of unsettled conditions likely on 26-28 Jul, due to weak CH HSS enhancements.

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