1-minute Mesoscale Domain Sector GOES-18 (GOES-West) nighttime Dust RGB + daytime True Color RGB images created using Geo2Grid (above) revealed a plume of resuspended volcanic ash (shades of pink/magenta at night, hazy shades of tan during the day) from the 1912 Novarupta-Katmai eruption in Alaska — which was being transported offshore across the... Read More

Brandon Aydlett, the Science and Operations Officer (SOO) at the NWS forecast office in Guam (where the National Weather Service day begins) relays the following message: Yesterday we received a call from a local radio noting something suspicious in IR imagery over the Philippines. Of course, it looked eerily like... Read More

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

Clean-window infrared imagery centered on the Samoan Islands on 9 March 2025, above, show convective development north of Upolu that subsequently shows a cyclonic circulation. This system was accompanied by Flood Warnings, Heavy Rain Warnings and Marine Warnings and Wind Advisories over all of Samoa (Facebook link). Gusts exceeding 70 km/hr... Read More