1-minute Mesoscale Domain Sector GOES-19 (GOES-East) “Red” Visible (0.64 µm) images (above) showed supercell thunderstorms that produced tornadoes, hail as large as 4.25″ in diameter and wind gusts as high as 100 mph (SPC Storm Reports) across parts of Texas and Oklahoma on 08 June 2025. Frequent pulses of overshooting tops were apparent with these thunderstorms.In the corresponding 1-minute... Read More

GOES-18 imagery from the CSPP Geosphere site, above, shows a thin line of trade wind cumulus from which strong convection develops over Tutuila (the main island of American Samoa). The heavy rains prompted the issuance of Flood Advisories. What products or imagery might have helped in anticipating this convective development?LightningCast probabilities between 0000 and 0100... Read More

Today at 17:40 UTC, NOAA decommissioned one of its three remaining legacy polar-orbiting weather satellites, NOAA-18. The spacecraft was launched on May 20th, 2005, and was declared operational on August 30th, 2005. For nearly 20 years, NOAA-18 collected weather information across the whole globe, with every point on Earth in... Read More

True-Color imagery and GOES-R Aerosol Optical Depth (AOD) imagery from early on 5 June 2025 (the imagery was captured from the CSPP Geosphere site) from GOES-West, above, and GOES-East, below, shows the a smoke plume emanating from fires in western Canada and spreading over all of southern Canada. The smoke has occasionally... Read More