[Propagation+Space Weather] Weekly Propagation Summary - 2018 Mar 26 16:10 UTC

[nw7us@sunspotwatch.com]

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Here is this week's space weather and geophysical report, issued 2018 Mar 26 0143 UTC.

Highlights of Solar and Geomagnetic Activity 19 - 25 March 2018

Solar activity was very low. The sun was spotless and absent of significant flare activity. No Earth-directed CMEs were observed during the period.

No proton events were observed at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit was at high levels on 19-25 March.

Geomagnetic field activity reached G1 (Minor) storm levels on 19 March and active levels on 23-25 March due to the influence of recurrent, negative polarity CH HSS effects. Quiet to unsettled conditions were observed on 20-22 March.

Forecast of Solar and Geomagnetic Activity 26 March - 21 April 2018

Solar activity is expected to be at very low levels throughout the outlook period.

No proton events are expected at geosynchronous orbit.

The greater than 2 MeV electron flux at geosynchronous orbit is expected to be at high levels on 26-28, 30-31 March and 01-02, 12-21 April. Normal to moderate levels are expected for the rest of the period.

Geomagnetic field activity is likely to be at G1 (Minor) storm levels on 26 March and 12 April with active periods likely on 26, 29-30 March, and 11-15, 19, 21 April due to effects from multiple, recurrent CH HSSs. Quiet to unsettled levels are expected for the remainder of the outlook period.

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