GOES-16 (GOES-East) Shortwave Infrared (3.9 µm) images (above) showed rapid growth of the thermal anomaly — cluster of hot pixels, red enhancement — associated with the Greenwood Fire in northeast Minnesota on 23 August 2021. With gusty winds in the wake of a frontal passage, the fire exhibited extreme behavior on this day, growing... Read More

The Caldor Fire (east of Sacramento, California) exhibited unprecedented growth on 17 August 2021 — increasing from 3600 acres burned in the morning to 30,000 acres that evening, with 0% containment — and Shortwave Infrared (3.9 µm) images from 1-minute GOES-17, 15 to 30-minute GOES-15, 15 to 30-minute GOES-14 and 5-minute GOES-16 (above)... Read More

The Dixie Fire (which had grown to become the largest on record for the state of California) began burning on 13 July 2021 — and on 13 August 2021, Shortwave Infrared (3.9 µm) images from 1-minute GOES-17, 15 to 30-minute GOES-15, 15-to 30-minute GOES-14 and 5-minute GOES-16 (above) showed the thermal... Read More

The VIIRS Today website (link) contains daily imagery from the Day Night Bands on both Suomi NPP and on NOAA-20. For example, here are three images from Suomi-NPP on 12 August over the Pacific Northwest and northern California: 2-km resolution, 1-km resolution, and 250-km resolution. The animation below shows Day Night Band imagery... Read More