Likelihood 05 : Chance of something happening, whether defined, measured or estimated objectively or subjectively, or in terms of general descriptors (such as rare, unlikely, almost certain), frequencies or mathematical probabilities
Cabinet Office, Lexicon of UK Civil Protection: A developing single point of reference for UK Civil Protection Terminology - Version 2.0.1, Emergency Responder Interoperability Lexicon, London, UK 2011. http://www.cabinetoffice.gov.uk/cplexicon, (Emr Mgt - Brit) {545}