Tropical Invest 91P south of American Samoa
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2023/03/G18Band13_L2TPW-20230314_130021.png)
GOES-18 infrared imagery (Band 13, 10.3 µm) and derived Total Precipitable Water, above, shows tropical Invest 91P several hundred miles south of American Samoa within a corridor of moisture associated with the South Pacific Convergence Zone (SPCZ). (Note that the default color scale for Total Precipitable Water (TPW) has been... Read More