GOES-West true color imagery, above, from the CSPP Geosphere site (link), shows Hurricane Barbara northeast of Tropical Storm Cosme in the eastern Pacific. Active convection is apparent over both storm centers during the course of the day. What does the future hold for these storms? MIMIC Total Precipitable Water (source),... Read More
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
