received aurora alert

An aurora notification, from the NOAA Space Weather service, arrived.

Received very early in the morning. I found it in the inbox during breakfast before "heading to work."

ALERT:  Geomagnetic K-index of 4
From    SWPC Product Subscription Service
Date    2023-03-23 04:37

Space Weather Message Code: ALTK04
Serial Number:  2353
Issue Time:  2023 Mar 23 0836 UTC

ALERT:  Geomagnetic K-index of 4
Threshold Reached:  2023 Mar 23 0836 UTC

Active Warning:  Yes

I usually don't get riled up with level 4.

§

This turned out to be the first in the day.

Many more would follow...