Track A · Solar activity & flare clusters
M5.7 Flare Aftermath: R1/R2 watch through mid-May
Recent R2 radio-blackout activity translated into what communications, GNSS, and monitoring teams should watch first.
Current Issue · 14 May 2026
Solar Activity → Energy Decisions
Pulsar Solar — Solar Activity → Energy Decisions. A concise briefing for readers who need calm interpretation of solar activity, space weather, sky events, and operational energy context across the past week and the next two weeks.
Publication frame
Published by
Pulsar Solar
Focus
Solar activity, space weather, sky-event interpretation, and operational energy context.
Sources
NOAA/SWPC, NASA, American Meteor Society, and clearly linked public references.
Method
Conclusion first, then context, then practical implications.
Next review window: around 28 May 2026, or sooner if NOAA/SWPC conditions change.
Why these three topics lead this issue
This issue has a coherent May 14–28 window: a recent M5.7 flare keeps radio-blackout monitoring live, NASA’s May sky calendar gives a high-clarity public observation moment on May 18, and NOAA’s recurrent coronal-hole high-speed-stream outlook creates the operational watch window from May 15 into the final week of May. The mix is not three disconnected items; it moves from solar source, to public sky interpretation, to grid and communications posture.
Track A signal
Solar activity reached high levels on May 10 from an M5.7/R2 flare, and NOAA keeps a 40% R1–R2 radio-blackout probability through May 16.
Track B signal
The Eta Aquariids are fading after their May 5–6 peak, while the Moon–Venus pairing on May 18 gives a simple, accurate sky event for broad readers.
Track C signal
NOAA forecasts G1–G2 geomagnetic storm conditions around May 15–16 and recurrent active windows later in the issue period.
The three tracks
Each page uses the same public format: fast conclusion, what changed, why it matters, action framework, uncertainty boundary, and public sources.
Track B · Sky interpretation
Moon–Venus + Eta Aquariids: observe without overclaiming
May’s easy sky moments explained with correct timing, visibility limits, and myth control.
Track C · Geomagnetic context & infrastructure posture
CH HSS Windows: G1/G2 watch, then active days
A source-linked read on Kp, Bz, high-speed streams, and what changes for grid and operations readers.
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Short, source-linked updates on solar activity, sky events, and operational context. Send a direct request to join the briefing list until a full signup form is added.
Public sources used
Sources are linked directly so readers can verify timing, forecast language, and limits.