10-minute Full Disk scan GOES-19 (GOES-East) Infrared images combined with the Fire Mask derived product (above) showed a wildfire in western Ontario (north of Red Lake, CYRL) that produced a large pyrocumulonimbus (pyroCb) cloud beginning at 1930 UTC — when cloud-top infrared brightness temperatures first reached -40ºC, darker shades of blue... Read More
A cluster of wildfires was burning on both sides of the Northwest Territories / British Columbia border on 28 June 2025 — and 10-minute Full Disk scan GOES-18 (GOES-West) imagery (above) showed that the largest Northwest Territories wildfire produced a sizeable pyrocumulonimbus (pyroCb) cloud, beginning at 2230 UTC. As it drifted... Read More
The Lewotobi Laki-laki volcano in Indonesia erupted at 0935 UTC on 17 June 2025 — and the radiometrically-retrieved Ash Height product from the NOAA/CIMSS Volcanic Cloud Monitoring site (above) indicated that some of the volcanic ash reached altitudes around 16.2 km (a 1645 UTC Darwin VAAC advisory listed ash to altitudes of FL530 or 53000 ft).The... Read More
5-minute CONUS sector GOES-19 (GOES-East) “Clean” Infrared Window (10.3 µm) images and “Red” Visible (0.64 µm) images with an overlay of the FDCA Fire Mask derived product (above) showed that the Trout Fire in southwest New Mexico produced a pyrocumulonimbus (pyroCb) cloud late in the day on 14 June 2025. The pyroCb cloud... Read More
