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2015 - Cities Risks And Timescales

Row numberCity NameAccount NoCountryCity Short NameC40Reporting YearEffects of climate changeMagnitudeAnticipated timescale in yearsImpact descriptionCity LocationCountry Location
601City of Seattle16581USASeattleC402015Frequent/Intense RainfallSeriousCurrentIncreased risk of flooding (buildings, roads, stormwater) Increase in likelihood of combined sewer overflows (waste) Increased likelihood of landslide and landslip and resulting damage (buildings) Increased likelihoods of service disruptions on freight and mobility infrastructure networks from flooding or landslides (transport). Increased risk of spilling at hydroelectric projects with impacts on power production and listed fish species.(47.6062095°, -122.3320708°)(37.09024°, -95.712891°)
602City of Seattle16581USASeattleC402015Temperature Increase/HeatwavesSeriousShort-termIncrease in road buckling from heat stress and stress on bridges from heat expansion (transport, roads) Increase in demand on electricity load (energy) Increase in stress to urban forest (ecosystems) Increase in spread of invasive species and disease vectors (ecosystems, human health) Increase in demand for cooling centers (human health). Increase in morbidity and mortality from extreme heat among at-risk populations (human health) Decrease in air quality (human health)(47.6062095°, -122.3320708°)(37.09024°, -95.712891°)
603City of Copenhagen31009DenmarkCopenhagenC402015Sea Level RiseSeriousMedium-termBuildings(55.6760968°, 12.5683371°)(56.26392°, 9.501785°)
604Roma Capitale31110ItalyRoma C402015Sea Level RiseLess seriousMedium-term(41.8723889°, 12.4801802°)(41.87194°, 12.56738°)
605City of Baltimore35853USABaltimore2015Frequent/Intense RainfallExtremely seriousCurrentAverage precipitation has increased by 10% in most of Maryland. Meanwhile, intense precipitation events have increased by 20% over the last century. Most of Baltimore’s recorded floods have been the result of either flash flooding during sudden, shortlived rainstorms, or localized flooding due to poor drainage and stormwater management. In the past year alone Baltimore has experienced two massive flood events that have shut down roads, impacted small businesses, and required a large number of resources.(39.2903848°, -76.6121893°)(37.09024°, -95.712891°)
606New York City3417USANew YorkC402015Storms/FloodsExtremely seriousLong-term(40.7127837°, -74.0059413°)(37.09024°, -95.712891°)
607City of Baltimore35853USABaltimore2015Sea Level RiseLess seriousLong-termRelative sea level has risen 13 inches in Baltimore between 1902 and 2006, or at a rate of about 0.125 inch each year. The global average is 0.08 inch/year. We anticipate a 1.5-3 foot increase by 2100. Although relative seal level rise is a gradual process, Baltimore City may still experience acute impacts in the near term. Some examples include increased frequency of low-level inundation,storm exacerbated floodwater rise that coincide with high tides or astronomical-influenced tides, increasing rates of coastal erosion in non-bulk-headed areas, and increased saltwater intrusion into underground utilities and infrastructure.(39.2903848°, -76.6121893°)(37.09024°, -95.712891°)
608Ville de Montreal35894CanadaMontreal2015DroughtSeriousCurrentA shortened and milder winter season directly impacts ecosystems. Potential subsequent impacts include and increase in vector-borne diseases in humans, an increase in pests, and an increase in invasive plant species. The change in winter climate is also expected to lead to a greater frequency in freeze-thaw cycles. This, in turn, will have a significant impact on all infrastructure as well as overbank flooding potential.(45.5086699°, -73.5539925°)(56.130366°, -106.346771°)
609Jakarta City Government31166IndonesiaJakartaC402015Frequent/Intense RainfallSeriousCurrentThe frequency of rain in Jakarta is quite high resulting in increasingly widespread flooding(-6.2087634°, 106.845599°)(-0.789275°, 113.921327°)
610City of Helsinki8242FinlandHelsinki2015Storms/FloodsLess seriousMedium-termBuildings: Need for new building instructions and materials Transport, energy, communications: increased risk of interruptions of operations(60.1733244°, 24.9410248°)(61.92411°, 25.748151°)
611City of Goiânia42123BrazilGoiânia2015DroughtExtremely seriousShort-termProlonged period of drought in Goiânia may cause overload in refrigeration systems, reduced water availability for power generation and public supply(-16.6868912°, -49.2647943°)(-14.235004°, -51.92528°)
612New York City3417USANew YorkC402015Temperature Increase/HeatwavesExtremely seriousLong-termAccording to the NPCC, by 2050, New York City could see as many 90 degree days as Birmingham, Alabama.(40.7127837°, -74.0059413°)(37.09024°, -95.712891°)
613City of Lisbon36159PortugalLisbon2015Frequent/Intense RainfallSeriousMedium-termIt is expected to face more frequency of rainfall intensity in the next future in Southern Europe.(38.7222524°, -9.1393366°)(39.399872°, -8.224454°)
614Stadt Zürich35449SwitzerlandZurich2015Frequent/Intense RainfallSeriousLong-termIntense rainfalls are heavy rain events that reach or exceed minimum heights of rain in a specific period of time (for Zurich 5mm of rain in the period of time of 5 minutes). Under the impact of climate change intense rainfalls will increase in summer, autumn and winter. The consequence of this are short-term floodings of the alluvial river Sihl (on of the largest flood risk areas of Switzerland).(47.3686498°, 8.5391825°)(46.818188°, 8.227512°)
615Prefeitura de São Paulo31184BrazilSão PauloC402015Frequent/Intense RainfallExtremely seriousCurrentMore intense rains have already been a reality in Sao Paulo and they increased landslides and floods, which impact negatively the way people, goods and services are able to move around the City. It has also damaged severely some public infrastructure like traffic signals and mobile telephones.(-23.5505199°, -46.6333094°)(-14.235004°, -51.92528°)
616City of Chicago3203USAChicagoC402015Frequent/Intense RainfallLess seriousMedium-term• Precipitation: Periods of precipitation and dryness could be enhanced when they are least needed. Winter and spring could be wetter, and summer could be drier as compared to the 1961-1990 average. Spring and winter in 2040 could have 10-20% more precipitation events, and in 2070, 20-35% more precipitation events. Summers in 2040 could have 5-10% fewer precipitation events and by 2070, 10-15% fewer precipitation events.(41.8781136°, -87.6297982°)(37.09024°, -95.712891°)
617Ville de Montreal35894CanadaMontreal2015DroughtLess seriousLong-termAlthough projections are not clear regarding droughts in the Montreal region, an increase in their occurance could impact the production and use of drinking water as well as infrastructure and ecosystems.(45.5086699°, -73.5539925°)(56.130366°, -106.346771°)
618Ayuntamiento de Madrid31171SpainMadridC402015Storms/FloodsLess seriousMedium-termVulnerability assesment procces is currently been carried out(40.1076253°, -3.3875673°)(40.463667°, -3.74922°)
619City of Columbus43910USAColumbus2015Frequent/Intense RainfallSeriousMedium-termAccording to the Union of Concerned Scientists, average annual precipitation may not change much; an overall drier climate is expected because rainfall cannot compensate for the increase in evaporation resulting from greater temperatures. Seasonally, winter precipitation is expected to increase by 15-20% and summer precipitation is expected to decrease by 10-15%. Thus Ohio may see drier soils and more droughts.(39.9611755°, -82.9987942°)(37.09024°, -95.712891°)
620City of Vancouver20113CanadaVancouverC402015Frequent/Intense RainfallSeriousMedium-termBuilding may be maladapted in terms of heating and cooling systems, rain on snow loads, wind durability etc. The durability of infrastructure and associated lifecycle may decrease.(49.261226°, -123.1139268°)(56.130366°, -106.346771°)
621Roma Capitale31110ItalyRoma C402015Frequent/Intense RainfallSeriousShort-term(41.8723889°, 12.4801802°)(41.87194°, 12.56738°)
622City of Paris31175FranceParisC402015Temperature Increase/HeatwavesExtremely seriousShort-termIt is projected that heatwaves will become more frequent and more intense during the 21st century: from about 1day per year at the end of the 20th century to 10 to 30 days per year by the end of the 21st century. The 2003 heatwave has seriously touched Paris, particularly in terms of decreasing the thermal confort for the Parisians and of surmortality (+1,070 casualties directly due to the heat spell within Paris). Other impacts of heatwaves can concern electricity blackouts, telecommunications, biodiversity, transport system and business continuity.(48.856614°, 2.3522219°)(46.227638°, 2.213749°)
623District of Columbia31090USAWashington DCC402015Temperature Increase/HeatwavesSeriousHeat waves are expected to grow slightly more frequent in the future: to an average of 6 events per year by the 2020s, 7 events per year by the 2050s, and 8 events by the 2080s(38.9071923°, -77.0368707°)(37.09024°, -95.712891°)
624City of Paris31175FranceParisC402015Frequent/Intense RainfallLess seriousLong-termPotential impacts of more floods (touching diverse sectors such as buildings, transport, economy, waste water treatment, drinkable water quality, telecommunications, energy distribution network, biodiversity...)(48.856614°, 2.3522219°)(46.227638°, 2.213749°)
625Comune di Ferrara36286ItalyFerrara2015Frequent/Intense RainfallSeriousCurrent(44.8357395°, 11.6189949°)(41.87194°, 12.56738°)
626Suwon city44185South KoreaSuwon2015Temperature Increase/HeatwavesSeriousShort-termHealth Vulnerability(37.2635727°, 127.0286009°)(35.907757°, 127.766922°)
627City of Porto46514PortugalPorto2015Frequent/Intense RainfallSeriousCurrentThe “National Risk Evaluation Report (Jan 2014)” identifies the western area of Porto and the mouth of the Douro River as sensitive points for coastal overtopping affecting beaches in the coastal protection land strip. However, despite a medium/high level of probability, this report has considered it to be of reduced severity as it only implies traffic restrictions and, in the limit, evacuation of people for a short period, with little impact on the community.(41.1579438°, -8.6291053°)(39.399872°, -8.224454°)
628City of Edmonton43912CanadaEdmonton2015Temperature Increase/HeatwavesLess seriousCurrentIf a global average temperature rise of 2 degrees centigrade materializes Albertan's can expect more days of extreme hot days in the future.(53.544389°, -113.4909267°)(56.130366°, -106.346771°)
629Faro50673PortugalFaro2015Sea Level RiseSeriousLong-termRisk of flooding in lowlands the case of the city of Faro and Island of Faro(57.9441874°, 19.1424789°)(39.399872°, -8.224454°)
630Singapore Government35993SingaporeSingaporeC402015Frequent/Intense RainfallSeriousMedium-termAn increase in the intensity of extreme rainfall events may increase the risk of flash floods.(51.9055346°, 4.4742753°)(1.352083°, 103.819836°)
631District of Columbia31090USAWashington DCC402015Sea Level RiseSeriousLong-termThe District is located at the confluence of two tidal rivers. Local sea levels have risen on average 3.2 mm per year over the last century due to a combination of global sea level rise and local subsidence. Sea level is project to increase as much as (high scenario) 1.4 feet by 2050 and 5 feet by the end of the century.(38.9071923°, -77.0368707°)(37.09024°, -95.712891°)
632Seoul Metropolitan Government31187South KoreaSeoulC402015Frequent/Intense RainfallSeriousCurrentMore area flooded, traffic problems(37.566535°, 126.9779692°)(35.907757°, 127.766922°)
633City of Denver32550USADenver2015Temperature Increase/HeatwavesSeriousCurrentMost recently, the front range, including Denver experienced extreme weather with extreme heat, forest fires, and flooding all within a 12 month period. In addition, a recent study of front range weather, indicates longer heat waves, with longer impacts to utility demands, health of vulnerable populations, and economic impacts.(39.737567°, -104.9847179°)(37.09024°, -95.712891°)
634Suwon city44185South KoreaSuwon2015Temperature Increase/HeatwavesSeriousMedium-term(37.2635727°, 127.0286009°)(35.907757°, 127.766922°)
635City of Amsterdam31148NetherlandsAmsterdamC402015Frequent/Intense RainfallSeriousShort-term(52.3702157°, 4.8951679°)(52.132633°, 5.291266°)
636City of Porto46514PortugalPorto2015Frequent/Intense RainfallSeriousCurrentThe “National Risk Evaluation Report (Jan 2014)” estimates a high susceptibility for floods at the mouth of the Douro River and for inundations in the urban center as consequence of a tendency in the precipitation patterns, towards a reduction of the duration of the rainy season and an intensification of the precipitation on that period, as opposed to a reduction of precipitation in spring, summer and fall. This dynamics is going to determine the occurrence of a larger number of floods and inundations in winter. It is worth noticing that the referred scenarios for precipitation differ from those observed in the last decades also revealing a strong seasonal variability but with a tendency for the diminishing of the global precipitation in spring and an increase in autumn.(41.1579438°, -8.6291053°)(39.399872°, -8.224454°)
637City of Atlanta1093USAAtlanta2015DroughtExtremely seriousShort-termDroughts decrease the availability of the water in the Chattahoochee river; Atlanta's only water source. Droughts also exacerbate urban heat island effect and produce wildfires in wooded areas near Atlanta, affecting the air quality of the entire region.(33.7489954°, -84.3879824°)(37.09024°, -95.712891°)
638City of Seattle16581USASeattleC402015Sea Level RiseSeriousShort-termIncreased property damage and from flooding, roadway damage, beach erosion, and bluff landslides (buildings, roads, transport, Port)(47.6062095°, -122.3320708°)(37.09024°, -95.712891°)
639Prefeitura de Florianópolis50384BrazilFlorianópolis2015Storms/FloodsExtremely seriousShort-termFinancial and material losses.(-27.5949884°, -48.5481743°)(-14.235004°, -51.92528°)
640Jakarta City Government31166IndonesiaJakartaC402015Frequent/Intense RainfallSeriousShort-termUsually the rainy season and dry season regularly per six months. The rainy season occurs in the months of September to February, and the rest of the dry season. With the impact of climate change there is a change during the rainy season and dry season affecting the lifestyle and environment(-6.2087634°, 106.845599°)(-0.789275°, 113.921327°)
641Wellington City Council43937New ZealandWellington2015Temperature Increase/HeatwavesLess seriousShort-term- Hotter summers will result in greater evaporation rates and increased water use, which could impact on the city/region water supply. Could me more serious in the long-term.(-41.2864603°, 174.776236°)(-40.900557°, 174.885971°)
642City of Vancouver20113CanadaVancouverC402015Storms/FloodsSeriousShort-termAn increase in storms will impact the safety and health of vulnerable populations including those that are homeless or poorly housed. There will be increased risk on streets due to infrastructure damage, etc. and more clean-up budget and coordination required (e.g., 2006 wind storm cost significant funds to clean up and had serious impacts to our parks and green spaces). Emergency response and response capacity will need to shift to dealing with more frequent, simultaneous events. Critical infrastructure will require back-up power and response routes need to be monitored and maintained.(49.261226°, -123.1139268°)(56.130366°, -106.346771°)
643Alcaldía Metropolitana de Caracas31159VenezuelaCaracasC402015Frequent/Intense RainfallExtremely seriousCurrentFloods and landslides cause loss of lives, damage and destroy houses, roads, transport systems, and businesses. Refugees must be assisted by the State.(10.4696404°, -66.8037185°)(6.42375°, -66.58973°)
644Bornova Municipality44132TurkeyBornova2015DroughtSeriousShort-term(35.2141598°, 33.2947541°)(38.963745°, 35.243322°)
645Seoul Metropolitan Government31187South KoreaSeoulC402015Frequent/Intense RainfallSeriousCurrentSpike of electricity demand for cooling, Higher death rate of senior citizens and cardiovascular patients(37.566535°, 126.9779692°)(35.907757°, 127.766922°)
646City of Pittsburgh35877USAPittsburgh2015Frequent/Intense RainfallExtremely seriousCurrentIncreased erosion and landslide, flooding and flash flooding, degradation of infrastructure, poor water quality(40.4406248°, -79.9958864°)(37.09024°, -95.712891°)
647City of Edmonton43912CanadaEdmonton2015Temperature Increase/HeatwavesLess seriousCurrentIf a global average temperature rise of 2 degrees centigrade materializes summer temperatures are anticipated to be hotter on the average.(53.544389°, -113.4909267°)(56.130366°, -106.346771°)
648Seoul Metropolitan Government31187South KoreaSeoulC402015DroughtLess seriousMedium-termWater shortage, water pollution and bad odor(37.566535°, 126.9779692°)(35.907757°, 127.766922°)
649City of St Louis35393USASt. Louis2015DroughtLess seriousShort-term(38.6270025°, -90.1994042°)(37.09024°, -95.712891°)
650Comune di Padova36494ItalyPadova2015Temperature Increase/HeatwavesSeriousCurrentstudies concerning urban heat island effect in the city of Padua are currently conducted; specific urban typologies of different neighbourhoods are studied in order to become a reference point for other Venetian cities(45.411639°, 11.8783489°)(41.87194°, 12.56738°)

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created Jun 7 2016

updated Oct 4 2018

Description

Risks from climate change identified and reported by city governments. Includes a list of the anticipated effects of climate change, timescale, and seriousness

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