The image above is a before and after comparison showing flooding in Tanzania. Flooded areas are seen in shades of blue. These images are false-color corrected reflectance (Bands 7-2-1) images from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument aboard the Terra satellite, The left image (A side) is from May 3, 2023 and the right image (B side) is from May 1, 2024. Swipe the bar back and forth to see the extent of the flooded area on the B side compared to the A side.
This image shows the same false-color corrected reflectance image with the addition of the Flood (3-Day Window) layer, which highlights flooded areas in red. The Flood (3-Day Window) layer is created from data acquired by the MODIS instrument aboard both the Terra and Aqua satellites and requires three water detections over three days to mark an area as having a flood.
Learn more about the Flood layer in Worldview's Assessing Floodwaters tour story. Click on the icon in the upper right corner to interact with the map in the fully-featured NASA Worldview.
Visit Worldview to visualize near real-time imagery from NASA's EOSDIS; find more imagery in our Worldview weekly image archive.
Dataset
MCDWD_L3_NRT doi:10.5067/MODIS/MCDWD_L3_NRT.061
