The NW7US Beacon

Here is this week’s space weather and geophysical report, issued 2016 May 30 0216 UTC.

Highlights of Solar and Geomagnetic Activity 23 - 29 May 2016

Solar activity was very low on 23, 25, and 27-29 May with only background flare activity observed. Low levels of solar activity were observed on 24 May due to an isolated C1 flare from Region 2546 (S07, L=223, class/area=Cho/550 on 21 May) and on 26 May due to isolated C1 flares from Regions 2546 and 2548 (N13, L=171, class/area=Dsi/130 on 27 May). No Earth-directed coronal mass ejections 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 normal to moderate levels throughout the week.

Geomagnetic field activity was at quiet levels on 23 and 25-26 May and quiet to unsettled levels throughout the remainder of the period with an isolated period of active conditions observed on 28 May due to coronal hole high speed stream influence.

Forecast of Solar and Geomagnetic Activity 30 May - 25 June 2016

Solar activity is expected to be at very low levels with C-class flares possible 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 reach high levels on 05-07 and 12-16 Jun with normal to moderate levels expected throughout the remainder of the outlook period.

Geomagnetic field activity is likely to reach G1 (Minor) geomagnetic storm levels on 30 May and 05 Jun and active conditions are expected on 31 May and 06, 11-13, 17 and 24 Jun, all due to the influence of multiple recurrent coronal hole high speed streams. Quiet and quiet to unsettled conditions are expected throughout the remainder of the outlook period under a nominal solar wind regime.

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