Comment by Animats

PJM (the US east coast power grid) has issued a warning:

    104202 Warning 
    Geomagnetic Disturbance Warning 
    05.10.2024 13:48 
    PJM-RTO

    A Geomagnetic Disturbance Warning has been issued for 13:48 on 05.10.2024 
    through 21:00 on 05.10.2024. A GMD warning of K8 or greater is in effect
    for this period.

Times are US EDT.

This is a warning only. No actions are listed yet.