Cold Wave 2 : A period of abnormally cold weather. Typically a cold wave lasts two or more days and may be aggravated by high winds. The exact temperature criteria for what constitutes a cold wave vary by location
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}