Due to a lack of radar coverage over American Samoa, WSO Pago Pago requested 1-minute Mesoscale Domain Sector coverage over the islands to monitor convective development and the potential for flash flooding. GOES-18 (GOES-West) Clean Infrared Window (10.3 µm) images (above) showed showers and thunderstorms that developed in the general vicinity of the American... Read More
The ‘manati’ website (https://manati.star.nesdis.noaa.gov/) is a helpful NOAA/NESDIS/STAR website that includes different observations from Polar-Orbiting satellites including, as shown above, Altimetric Observations of Significant Wave Height. Observations from three different satellites are shown in the image, including Jason3 (0718-0722 UTC), Cryosat (0610-0614 UTC) and Sentinel-3A (0927-0930 UTC). This post will help you anticipate where tomorrow’s... Read More
GOES-16 True Color RGB images from the CSPP GeoSphere site (above) showed multiple mesoscale vortices embedded within the exposed Low-Level Circulation Center (LLCC) of a Tropical Depression off the southeast coast of Brazil on 18 February 2024. This disturbance continued to organize and gradually intensify during the day and into the... Read More
Altimetric measurements of the sea surface (from this site), above, show a region of very tall waves early on 14 February, with Significant Wave Heights exceeding 30 feet. Those waves are also show below in an analysis from OPC (link); they are southwest of a hurricane-force low (surface analysis; here is a toggle between the Significant Wave... Read More
