10-minute Full Disk scan GOES-18 (GOES-West) daytime True Color RGB and nighttime Dust RGB images created using Geo2Grid (above) showed a plume of resuspended volcanic ash (hazy shades of tan in True Color RGB, and subtle shades of violet in Dust RGB images) from the 1912 Novarupta-Katmai eruption in Alaska — which... Read More

A radiometrically retrieved Himawari-9 Ash Height product from the NOAA/CIMSS Volcanic Cloud Monitoring site (above) showed the volcanic cloud produced by the first recorded eruption of Krasheninnikov on the Kamchatka Peninsula of Russia, which began around 1650 UTC on 02 August 2025 (KVERT advisory). The Ash Height reached the 7-8 km range (darker shade... Read More

5-minute PACUS Sector GOES-18 (GOES-West) daytime True Color RGB and Nighttime Microphysics RGB images created using Geo2Grid (above) revealed the cyclonic circulation of a Mesoscale Convective Vortex (MCV) that migrated west-northwestward across southern Arizona into southeast California (not far south of the California/Nevada border) during the 2-day period from 16 July to 18 July 2025. This MCV... Read More

The EUMETSAT MTG-S1 satellite was launched from Kennedy Space Center, Florida at 2104 UTC on 01 July 2025 — using a SpaceX Falcon 9 rocket. A thermal signature of the Falcon 9 Stage 1 rocket booster (as well as the Stage 2 rocket, after separation from the booster just before... Read More