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Subject: [Propagation+Space Weather] Today's Space Weather Forecast Discussion on 2018 Jun 30 1230 UTC
From: nw7us@sunspotwatch.com
Reply-to: Practical radio-wave propagation and space weather <propagation@contesting.com>
Date: Sat, 30 Jun 2018 20:07:16 +0000
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Here is the current forecast discussion on space weather and geophysical activity, issued 2018 Jun 30 1230 UTC.

Solar Activity

24 hr Summary: Solar activity was very low. The visible disk was spotless and no reportable events were observed this period. No Earth-directed CMEs were observed in available coronagraph imagery.

Forecast: Solar activity is expected to persist at very low levels throughout the forecast period (30 Jun-02 Jul).

Energetic Particle

24 hr Summary: The greater than 2 MeV electron flux reached high levels this period with a peak flux of 4,596 pfu observed at 29/2035 UTC. The greater than 10 MeV proton flux was steady at background levels throughout the period.

Forecast: The greater than 2 MeV electron flux is expected to reach high levels each of the next three days (30 Jun-02 Jul) and the greater than 10 MeV proton flux is expected to persist at background levels throughout the forecast period.

Solar Wind

24 hr Summary: Solar wind speed was in decline over the period from approximately 495 km/s to near 425 km/s. Total field was steady between 3-5 nT while the Bz component was between +/-3 nT. Phi angle was steady in a negative (towards) solar sector.

Forecast: The near-Earth solar wind environment is expected to remain slightly enhanced over the next three days (30 Jun-02 Jul) due to the influences of multiple CH HSSs.

Geospace

24 hr Summary: The geomagnetic field was quiet.

Forecast: The geomagnetic field is expected to be quiet to unsettled over the next three days (30 Jun-02 Jul) under the weak influences of multiple CH HSSs.

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Today's Space Weather Forecast Discussion - 2018 Jun 30 20:07 UTC

Live data: SunSpotWatch.com

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