GEOMAGNETIC STORMS this weekend:
A stream of solar wind is approaching Earth, and it could buffet our planet’s magnetosphere for the next three days. According to NOAA, periods of minor G1-class geomagnetic storming are likely on March 20th, 21st and 22nd. High-latitude sky watchers should be alert for auroras.
https://www.spaceweather.com/
Mike Terry to WOR groups.io (2021-03-20)