




Two Back-to-back X-Ray Flares:
First, Max at 22:55 UT on 17-July-2023: Level M2.7, with R1 Radio Blackout
Second: Starting at 23:18 UT, Long-Duration with Max @... 00:07 UT (18 July 2023), Level M5.7, R2 Blackout
Second flare approximate flare start: 17-July-2023 @ 23:18 UT
Approximate flare maximum on 18-July-2023 @00:07 UT, M 5.7 (R2)
Second flare end: 03:32 UT (18th) - 4 hour duration
Combined Flare Results in S2-Level Solar Proton Storm
This is degrading trans-polar propagation (PCA).
https://SunSpotWatch.com // NW7US