The accumulation of ?oating ice restricting or blocking a river's flow and drainage. Ice jams tend to develop near river bends and obstructions (e.g. bridges)
The International Disaster Database (EM-DAT), The EM-DAT Glossary, Centre for Research on the Epidemiology of Disasters (CRED), School of Public Health, Universit catholique de Louvain, Brussels, Belgium 2009. http://www.emdat.be/glossary/9, (ND/ Gen - Brit) {855}