b'RESILIENCYdards. Visit rcabc.org/roofstar-guarantee to learn more about our RoofStar Guarantee Program,orvisitrpm.rcabc.orgforour Roofing Practices Manual.ABOUT THE AUTHORJamesKlassenisaRoofStarTechnical Advisor and staff writer with the Roofing ContractorsAssociationofBritish Columbia(RCABC).Asakeenpropo-nent of vegetated roofs, James contributes to education and policy development for sustainable green roof design and representsForecast modeling shows the atmospheric river event streaming toward the British Columbia south coast. Atmospheric rivers carry sub-tropical theRCABCincollaborativeworkwithmoisture in concentrated bands of air toward more temperate regions. (Credit: Windy.com, with notations by the author.)Green Roofs for Healthy Cities to develop green roofing professional curricula. He also writes for and manages the online Roofing Roof ConsultingPractices Manual, participates in numerous CSAtaskgroupsresponsibleforseveral roofing standards, and is a voting member oftheCSAA123TechnicalCommittee on Roofing. He is an experienced roofing estimator,aformerOccupationalHealth andSafetyprofessionalandindependent insurance claims adjuster, and he has exten-siveexperiencemanagingfacilitiesand transportation for a large private school in British Columbias Fraser Valley.References1 Curry, Charles L.; Islam, Siraj U.; Zwiers, F.W.;Dry, Stephen J. Atmospheric Rivers Increase Future Flood Risk in Western Canadas Largest Pacific River (January 22, 2019). Geophysical Research Letters. 46 (3): 1651-1661. 2 Ramsey, J.L. On Not Defining Sustainability (2015), J Agric Environ Ethics. 28, 1075-1087.3 Purvis, Ben; Mao, Yong; Robinson, Darren. Threepillars of sustainability: in search of conceptual origins (2019). Sustainability Science. 14 (3): 681-695.4 Building Owners and Managers Association(BOMA) Canada. Climate Resilience(bomacanada.ca/climate-resilience).5The 2019 Vancouver Building Bylaw (VBBL) includes Part 11, Existing Buildings, which includes requirements for altering a roof (Ref. Notes to Part Roof Condition Assessments & Surveys6 11, Article 2.1.1.1., Envelope Alterations).Roof System Design & Contract ManagementWarren, F. and Lulham, N., editors (2021).Green Roof DesignCanada in a Changing Climate: National Issues Report; Warranty & Maintenance Review7 Government of Canada, Ottawa, ON.Infrared ThermographyClimate vs. Weather. Climate Change Atlas of CanadaRoof Access & Fall Protection - Design & Testing(climateatlas.ca/climate-vs-weather).Roof Asset Management & Capital Planning8 Lounis, Zoubir and Makar, Jon, editors (2019).RCABC Approved ObserversClimate-Resilient Buildings and Core Public Infrastructure. National Research Council of Canada, Ottawa, ON. 9 Climate Projections for Metro Vancouver, 2017. MetroVancouver: Executive Summary, vi. Creative Thinking Practical Results10Lounis, Zoubir et al., 7.Vancouver & Surrey 604-738-0048 Victoria 250-386-7794 11Canadian Press, A timeline of B.C.s record-settingrjc.caNanaimo 250-716-1550Kelowna 778-738-1700extreme heat event in June 2021 (June 24, 2022). Toronto Star.www.rcabc.orgl19'