Table 1

Some recent historical extreme weather events

EventDescriptionEvent damagesDEFARGrowth rate, g (decimal)Return period, R0 (years)Firm event liability, LH,0EWLH,0EWVH
2010 Russian heatwaveWarmest July since records began. Return period reduced from 99 years (1960s) to 33 years (Otto et al., 2012)$15bln230.02233$0.10bln0.05%
2011 Thailand floodingWorst flooding in past 50 years (EM-DAT, n.d., Promchote et al., 2016; Rayer et al., 2021)$52bln0.5750.03215$1.6bln0.8%
2015–2017 South African droughtWestern Cape drought and possible Cape Town “day zero” (EM-DAT, n.d., Otto et al., 2018b)$1.74bln0.700.019100$0.004bln0.002%
2017 hurricane season including hurricane HarveyFlooding. Precipitation intensities increased from 1-in-100-year events (late twentieth century) to 1-in-16-year events (Emanuel, 2017)$265bln0.840.02716$6.6bln3%
2020 Siberian heatwaveVerkhoyansk June temperature of 38 °C (Sakha Republic, Russia)
Probability increased at least 600-fold (Ciavarella et al., 2021). Damage based on Sakha Republic permafrost degradation (Streletskiy et al., 2019)
$21.3bln5996000.018130$0.046bln0.02%
2022 hurricane IanCharlotte and Lee Counties (Florida) and North Carolina, USA, 28 August to 2 October (NOAA, 2023). Attribution estimated from 2017 hurricane season$115bln0.840.02716$2.9bln1%
2023 Mediterranean heat domeJuly Mediterranean extreme heat. Probability increased at least 1000-fold (Zachariah et al., 2023). Estimated GDP percentage country costs: Greece 0.9pp, Spain 1.0pp, Italy 0.5pp, and France 0.1pp (Subran et al., 2023)
2022 GDP figures (World Bank, n.d.) imply $29bn damages
$29bln99910000.01710$0.78bln0.4%
2023 US heat domeJuly southern USA heatwave. Probability increased at least 1000-fold (Zachariah et al., 2023). Estimated costs of 0.3pp of US GDP (Subran et al., 2023)
2022 GDP figures (World Bank, n.d.) imply $76bn damages
$76bln99910000.01715$1.4bln0.7%
Source(s): The authors

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