There are different RGBs available to monitor volcanic signatures within a cloud, and three common ones are shown above. The Dust RGB and the Ash RGB use identical channels/channel differences that are scaled differently. All three RGBs (here is the The SO2 RGB Quick Guide) include Band 11 information; Band 11 detects radiation... Read More
The recent Solar Eclipse that extended from the south Indian Ocean to the central north Pacific Ocean (Blog Post) traversed a region that is routinely monitored by different geostationary satellites — Himawari-9, GEOKOMPSAT-2A (GK2A) and FY-4A/FY-4B. Himawari-9 and GK2A have sub-satellite points on the Equator that are separated by only 12.5... Read More
April 22, 2023: Happy Earth Day! The first Earth Day was celebrated on April 22, 1970. The idea was conceived by then Wisconsin Senator Gaylord Nelson and an estimated 20 million Americans participated on that first day, which was approximately 10% of the US population back then. You can read... Read More
The mp4 animation above shows the development of Tropical Storm Sanvu out of the Monsoon Trough in the western Pacific ocean on 19-20 April 2023. The ‘Pacific Tropical Airmass RGB’ used in the animation is described in this blog post, and it gives more information about cloud-top features compared to the Airmass RGB... Read More
