Actinoform cloud feature passes just north of the Hawaiian Islands
GOES-18 Nighttime Microphysics RGB + daytime True Color RGB images, from 1401 UTC on 30 July to 0221 UTC on 31 July [click to play MP4 animation]
GOES-18 Visible images (below) included plots of Ship and Fixed Buoy reports — unfortunately, the actinoform cloud feature avoided all of those reports, so any effects on sensible weather could not be ascertained (another case near Hawai`i provided evidence of rain showers associated with an actinoform feature).
GOES-18 Visible images, from 1601 UTC on 30 July to 0201 UTC on 31 July [click to play MP4 animation]