The VIIRS/JPSS1+JPSS2 Daily L3 Global Flood Composite 250m Linear Lat Lon Grid Near Real Time (NRT) Product, short-name VCDWD_L3_NRT provides daily maps of flooding globally. The VCDWD_L3_NRT product is generated using VIIRS Surface Reflectance (VJ109/VJ209) products as inputs from NOAA-20 and NOAA-21 satellites. The product files are in EOS-HDF5 file format. The VIIRS Near Real-Time Global Flood Product (Collection 2) is processed by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE). The VCDWD_L3_NRT is currently at Beta 1, under VIIRS collection 2.
For more information, visit product page at:

https://www.earthdata.nasa.gov/global-flood-product