GOES-18 Visible imagery, above, over the Samoan Islands, shows a variety of cloud structures moving from north to south over the Samoan Islands, especially over the smaller islands of American Samoa (Tutuila, Ofu/Olosega and Ta’u). The animation below, covering about the same time span, shows GREMLIN radar estimates. GREMLIN is... Read More
Hourly imagery from the CSPP Geosphere website (link), above, shows the progress and evolution of Tropical Storm Hone (upgraded from a tropical depression at 2100 UTC on 22 August) over the central Pacific Ocean. There is a decrease in the amount of cold cloud tops associated with the storm over the course of the... Read More
GOES-18 Visible imagery, above, from the CSPP Geosphere site, shows Gilma and Tropical Invest #91E (the invest became a tropical depression at 1500 UTC on 22 August; see below) at around 17oN latitude on 21 August 2024 in the tropical eastern Pacific. The animation below shows the same scene on 20 August, and the organizational improvement in the invest... Read More
GOES-18 True-Color imagery, above, from the CSPP Geosphere website (link to animation above), shows convection moving over northeastern Wyoming, leaving in its wake a series of smoke plumes: wildfires caused by lightning. The screenshots below were captured from the Real Earth instance of NGFS imagery (link), and they show LightningCast probability and Flash... Read More
