Airmass RGB imagery every hour from 1000 UTC on 14 December through 1900 UTC on 15 December, below, overlain on top of GOES-18 Level 2 Total Preciptable Water, show strong convection in between Tutuila and the Manu’a islands of American

SUVI data from 11-12 December – click on the image for an animation The Solar Ultraviolet Imager (SUVI) on GOES satellites revealed an equatorial coronal hole directed towards Earth on the 11th and 12th of December.  Coronal holes appear as dark areas

2.5-minute JMA Himawari-9 Red Visible (0.64 µm, top) and Clean Infrared Window (10.4 µm, bottom) images, from 2002 UTC on 12 December to 0822 UTC on 13 December [click to play animated GIF | MP4] Target Sector (2.5-minute interval) JMA Himawari-9 AHI Red Visible

GOES-18 Band 13 Clean Window Infrared Imagery on top of Clear-sky Total Precipitable Water, scaled from 1-2.5″, hourly from 0000 UTC 11 December to 1600 UTC 12 December 2023 (click to enlarge) National Weather Service Pago Pago Facebook posts on

30-second GOES-16 “Red” Visible (0.64 µm, top) and “Clean” Infrared Window (10.3 µm, bottom) images, with time-matched (+/- 3 minutes) plots of SPC Storm Reports, from 1900 UTC to 2013 UTC on 09 December [click to play animated GIF | MP4]

JMA Himawari-9 Clean Infrared Window (10.4 µm) images, from 0002 UTC to 2102 UTC on 07 December [click to play animated GIF | MP4] Target Sector (2.5-minute interval) JMA Himawari-9 AHI Clean Infrared Window (10.4 µm) images (above) showed the gradual development of a ragged eye