During a period when American Samoa had been under a Flash Flood Watch, the Weather Service Office at Pago Pago requested that a GOES-18 (GOES-West) Mesoscale Domain Sector be positioned over the region (due to their lack of radar, satellite imagery can be a critical tool for monitoring the development of deep convection).... Read More
5-minute CONUS Sector GOES-19 (GOES-East) Visible and Infrared images (above) showed a couplet of thunderstorm cells that moved toward the South Texas coast during the afternoon hours on 01 May 2026 — which produced hail, an EF1-rated tornado and damaging wind gusts as high as 119 mph (SPC Storm Reports | NWS Corpus Christi damage survey).GOES-19 Infrared images (below) showed... Read More
1-minute Mesoscale Domain Sector GOES-18 (GOES-West) GeoColor RGB images with an overlay of Next Generation Fire System (NGFS) Fire Detection polygons (above) provided a view of the smoke plume and thermal signature associated with the Sparks Fire, which began burning in eastern New Mexico during the afternoon hours on 28 April 2026. With the NGFS Fire... Read More
A partial overlap of two GOES-19 (GOES-East) Mesoscale Domain Sectors provided 30-second Visible images (above) and Infrared images (below) — showing severe thunderstorms that produced two isolated tornadoes, hail as large as 4.00 inches in diameter, and wind gusts to 60 mph (SPC Storm Reports) in the St. Louis, Missouri area on 27 April 2026. These particular events occurred within... Read More
