b'RESILIENCYPhoto courtesy of i3 Building Science and Consulting Inc.BUILDING RESILIENCE: PART 1Climate change and the future of roofingBY JAMES KLASSENYou can find this article in both the printed and digital editions of Roofing BC magazine. Visit rcabc.org/publications for the digital version.I nNovember2021,anunprece- 1948. Mountains softened, and the landIfthestormof2021hadany dentedstormstruckthesouth always regarded as stable and reliable enduring impact on British Columbia, coastofBritishColumbiaandslid away, washing out bridges, highways,perhapsthemostsignificantimpact adjoininglandinWashingtonrailways andhomes. Manypeople lostwasasenseofurgencyaboutthe State. Wind and torrential rain saturatedeverythingtheyowned.Somediedinfuture.Atmosphericrivers,ameteo-a tremendous area of the province, over- the multi-day storm. Farm animals wererologicaltermcoinedin1990atthe whelming river and canal embankmentsstranded,andmanydrownedintheirMassachusetts Institute of Technology, and flooding a large part of the Fraserbarns. Wind, sometimes fierce, drove theare long, meandering plumes of water Valley (part of the Fraser River Basin).rain every which way. It was a storm tovapour, often originating over the trop-Noonehadseensuchathingsinceremember for a lifetime. ical oceans, that bring sustained, heavy 14 lROOFINGBClSPRING 2023'