1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Visible/Infrared Sandwich RGB images from 1257-1950 UTC on 04 April 2023 (above) showed thunderstorms that produced hail up to 4.0 inches in diameter in Iowa and a wind gust to 90 mph in Illinois (along with a brief tornado) (SPC Storm Reports).1-minute GOES-16 Visible/Infrared Sandwich RGB images with an overlay of GLM Flash Extent Density... Read More
Polar2Grid version 3.0 (released earlier this year; see this blog post, and this one on displaying individual VIIRS channels) has the capability (like earlier versions) to create imagery from selected individual ATMS (Advanced Technology Microwave Sounder) channels, and for some derived products as well. In this example, I would like to create imagery on February 3rd and 4th around the Hawai’ian... Read More
Sentinel-1A overflew the western Hawai’ian islands late on 4 April 2023, observing surface winds around the islands of Kaua’i and Ni’ihau. The image above shows the winds overlain on top of a GOES-18 infrared image. A pronounced region of light winds extends downwind of both islands — the region in... Read More
