G1-Minor Storm Conditions Reached late 12 April and early 13 April
G1-Minor Geomagnetic Storm Conditions were reached on 12 April between 2100-2359 UTC (1700-1959 ET) and again on 13 April between 0000-0300 UTC (12/2000-12/2300 ET). The minor geomagnetic storming was likely the result of expected coronal hole high speed stream effects.