A historical flash flood chronology for Britain

The chronology provides a record of flash flood events in Britain based on data collated mainly between 1700 and 2020. primary purpose the is to improve risk assessment floods given magnitude. It divided into 18 regions country contains descriptions nearly 8000 events. extends previous covering northern southwest England which provided as an online resource (http://ceg-fepsys.ncl.ac.uk/outputs/). Flash have had variety definitions but are here defined terms speed onset can apply both river surface water floods. for first time comprehensive list their recorded impact cities, towns villages. also draws attention prevalence very rapid rates rise level either ‘walls water’, or at rate likely endanger life result intense rainfall. Nearly 300 such been identified upland areas England, Wales Scotland. Practical theoretical issues with respect warning discussed. available download hosted https://www.jbatrust.org/how-we-help/publications-resources/rivers-and-coasts/uk-chronology-of-flash-floods-1/