G1 (Minor) Geomagnetic Storm Levels Observed
published: Saturday, August 19, 2017 18:21 UTC UTC
G1 (Minor) geomagnetic storm levels were observed at 02:59 UTC on August 19 (10:59 pm Eastern) due to continued coronal hole high speed stream activity. A G1 (Minor) warning is in effect until 09:00 UTC (05:00 am Eastern).