Interesting map

[dlwtrunked]

https://www.spaceweather.com/images2023/15mar23/pca_map.jpg

at

SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

 

[sunwave]

https://www.spaceweather.com/images2023/15mar23/pca_map.jpg

at

SpaceWeather.com -- News and information about meteor showers, solar flares, auroras, and near-Earth asteroids

C

Caused by

https://www.lmsal.com/solarsoft/archive/sdo/media/ssw/ssw_client/data/ssw_service_230313_060908_29093/www/ssw_cutout_20230313_095005_aia_193_N27E07_20230313_095004_m.mp4

CME's take 3-5 days to reach Earth.

Small flares on the same day as the D-Layer event but all the flares on the same day were to weak to do that.