1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed Category 1 Hurricane Beatriz just off the west coast of Mexico (near Ixtapa, station identifier MMZH) as a cloud-filled eye was becoming more apparent.A DMSP-17 Microwave (85 GHz) image at 1322 UTC (below) from the CIMSS Tropical Cyclones site indicated... Read More
Target Sector (2.5-minute interval) JMA Himawari-9 Visible and Infrared images (above) covered the period +/- 2 hours when Super Typhoon Mawar reached Category 5 intensity at 0600 UTC on 25 May 2023. Mesovortices within the eye were evident in Visible imagery, with the eye exhibiting a “stadium effect” geometry (two signatures that are often associated with... Read More
Target Sector (2.5-minute interval) JMA Himawari-9 Visible and Infrared images (above) covered the period when Typhoon Mawar reached Category 4 intensity at 0000 UTC on 23 May 2023 (JTWC advisory | SATCON | ADT). Mesovortices within the eye were evident in the Visible imagery, and cloud-top infrared brightness temperatures surrounding the eye were... Read More
JMA Himawari-9 Infrared Window (10.4 µm) images of Cyclone Mocha in the Bay of Bengal on 13 May 2023 (above) displayed cold clouds surrounding an eye that gradually became more cloud-cleared — with isolated cloud-top infrared brightness temperature values of -90ºC and colder (yellow pixels embedded within dark purple regions).... Read More
