G1 (Minor) Geomagnetic Storming Observed - G1 Watch still in effect
published: Sunday, December 11, 2016 00:24 UTC UTC
G1 (Minor) geomagnetic storm levels were observed at 2050 UTC (3:50 pm ET) on 09 December due to coronal hole high speed stream effects. The G1 warning has expired but the G1 Watch remains in effect for the remainder of 10 December. Stay tuned to www.spaceweather.gov for further updates as conditions warrant.