SAR Imagery collection near American Samoa
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2023/01/G18_B13_Sentinel1ASAR-20230131_055235.png)
SAR data are being acquired over American Samoa for the next several weeks. SAR data from a Sentinel-1A overpass at 0553 UTC on 31 January, shown above (from this website), shows mostly light winds, mostly less than 10 m/s. The Normalized Radar Cross Section (NRCS) data can be used to view any ice contamination in the wind speed image.... Read More