Fire Heat Signatures

This visible light/infrared composite image from the Moderate Resolution Imaging Spectroradiometer (MODIS) shows the fires that continue to burn in Idaho and Montana even after a few days of cool temperatures and light rain. Burned areas shows up as black areas underneath the purple smoke. Fires seen by MODIS thermal infrared detectors appear as red dots. MODIS aquired the image on Wednesday morning, August 30, 2000.
Source: Image courtesy Nazmi Saleous, MODIS Science Team

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