1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.35 µm) images, with and without an overlay of GLM Flash Extent Density (above) showed the period leading up to the formation of Tropical Storm Arthur during the evening of 16 May 2020 (at 03 UTC on 17 May) — making it the first tropical cyclone of the season in... Read More

https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2020/05/BAMS_Sat_covers2_1min.mp4A collection of 60 BAMS covers spanning the years, to highlight the rapid advance of imaging from the geostationary orbit, is shown above (a version that loops more slowly can be seen here). The first cover is the first of BAMS, in January of 1920, while the second, from... Read More

1-minute Mesoscale Domain Sector GOES-17 (GOES-West) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images (above) showed the circulation of Tropical Invest 90E in the East Pacific Ocean on 24 April 2020. The low-level circulation center appeared to be located about 100 miles southwest of the 18 UTC surface analysis position.GOES-17 Visible... Read More

A sequence of GOES-16 (GOES-East) “Red” Visible (0.64 µm), Near-Infrared “Cirrus” (1.37 µm), Near-Infrared “Snow/Ice” (1.61 µm), Upper-level Water Vapor (6.2 µm), Mid-level Water Vapor (6.9 µm), Low-level Water Vapor (7.3 µm), “Clean” Infrared Window (10.35 µm) and Day Cloud Phase Distinction Red-Green-Blue (RGB)  images (above) showed both circular and linear contrails over southern Wisconsin on 31 March 2020. The circular contrail... Read More