GOES-16 “Red” Visible (0.64 µm) + Fire Power derived product (top left), Shortwave Infrared (3.9 µm, top right), “Clean” Infrared Window (10.3 µm, bottom left) and Fire Temperature RGB (bottom right), from 1801 UTC on 01 September to 0031 UTC on 02 September [click to play animated GIF | MP4]

5-minute GOES-16 (GOES-East) “Red” Visible (0.64 µm) + Fire Power derived product (a component of the GOES Fire Detection and Characterization Algorithm FDCA), Shortwave Infrared (3.9 µm), “Clean” Infrared Window (10.3 µm) and Fire Temperature RGB images (above) showed signatures of the Game Preserve Fire in northern Walker County, Texas late in the day on 01 September 2023. The wildfire forced evacuations for northwestern portions of Huntsville — and smoke from the fire briefly reduced the surface visibility to 1/2 mile at Huntsville Municipal Airport.

The fire continued to burn after sunset (below), actually intensifying a bit as it advanced westward to within 1/4 mile of Interstate 41 (causing I-41 to be closed to traffic in both directions).

GOES-16 “Red” Visible (0.64 µm) + Fire Power derived product (top left), Shortwave Infrared (3.9 µm, top right), “Clean” Infrared Window (10.3 µm, bottom left) and Fire Temperature RGB (bottom right), from 0036-0551 UTC on 02 September [click to play animated GIF | MP4]

The peak values of GOES-16 Fire Power (1859.75 MW) and 3.9 µm infrared brightness temperature (126.97ºC) occurred at 0101 UTC on 02 September or 8:01 PM local time on 01 September (below).

Cursor-sampled values of GOES-16 “Red” Visible (0.64 µm) + Fire Power derived product (top left), Shortwave Infrared (3.9 µm, top right), “Clean” Infrared Window (10.3 µm, bottom left) and Fire Temperature RGB (bottom right) at 0101 UTC on 02 September [click to enlarge]

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