WEAK IMPACT: Arriving earlier than expected, a slow-moving CME that left the sun on July 8th appears to have struck during the early hours of July 13th. The weak impact sparked auroras behind Comet NEOWISE over the US-Canadian border. Otherwise, however, the CME had little effect.
https://www.spaceweather.com/archive.php?view=1&day=13&month=07&year=2020