Subtropical Storm Potira off the coast of Brazil
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2021/04/sts_vis-20210420_150153.png)
1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed the circulation of Subtropical Storm Potira (warning issued by MARINHA) off the southeast coast of Brazil on 20 April 2021.In the corresponding 1-minute GOES-16 “Clean” Infrared Window (10.35 µm) images (below), intermittent convective overshooting tops exhibited infrared brightness temperatures as cold as -60 to -65ºC (shades... Read More