From the NYTimes: The Great Flood of 2019: A Complete Picture of a Slow-Motion Disaster.
Public interest in natural disasters tends to focus on big, discrete weather events like hurricanes. But flooding that unfolds over months across a broad area has a harder time breaking through. It is only when seen as a single, connected event that the stunning scale of the 2019 flood season becomes clear
To measure the scope of the spring floods, The New York Times analyzed satellite data from the Joint Polar Satellite System using software, developed by government and academic researchers for flood detection, that is frequently used in disaster response.