G1 (Minor) Storm Conditions Observed, G2 (Moderate) Warning Issued - 16 July 2017
published: Sunday, July 16, 2017 20:26 UTC UTC
The geomagnetic field reached G1 (Minor) geomagnetic storm levels at 16/1105 UTC following the arrival of a coronal mass ejection (CME). A G2 (Moderate) warning is valid 16/1040-1800 UTC.