An airmass change at Guam
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2023/04/comp20230406.020000_tpw.png)
Himawari-9 Airmass RGB imagery, below, from 0000 on 4 April through 1200 UTC on 6 April 2023 (created using geo2grid) show a transition from a deep tropical airmass (deep green in the RGB with embedded clouds that are white) over the southern Marianas islands to one that is a bit dryer (more... Read More