![Flooding of farmlands](https://inside.nssl.noaa.gov/nsslnews/wp-content/uploads/sites/21/2021/09/5058019402_4a588288fa_k-150x150.jpg)
Flash flooding — the rapid rise of water in a normally dry area — is mostly related to excessive rainfall resulting in significant groundwater runoff and quick rises in waterways. NOAA National Weather Service forecasters rely on accurate quantitative precipitation estimations.