Late fall is often a perfect time for controlled or prescribed fires on public lands in the Pacific Northwest. Vegetation growth has slowed and rains and snows have increased, minimizing the danger for out-of-control spreading. Also, the coming winter snowpack means a protective ground covering that reduces erosion. This pair of true- and false-color images from the Moderate Resolution Imaging Spectroradiometer (MODIS) instruments on the Terra (top) and Aqua (bottom) satellites shows a handful of fires (red dots) in Oregon in the morning (Terra) and afternoon (Aqua) of November 25, 2002. Many of these fires are likely part of a prescribed burning plan for the state’s lands.
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This image originally appeared on the Earth Observatory. Click here to view the full, original record.