G1 (Minor) Geomagnetic Storm Alert Issued
published: Friday, June 16, 2017 09:17 UTC
A G1 (Minor) geomagnetic storm alert was issued at 14/0259 UTC due to the onset of effects from an isolated, positive polarity coronal hole high-speed stream. A G1 (Minor) geomagnetic storm warning is in effect until 14/0900 UTC.