The death toll from what authorities call the worst climate disaster ever to strike southern Brazil has risen to 90, after ferocious rain flooded huge stretches of Rio Grande do Sul state, displacing more than 155,000 people and forcing the closure of the main airport in the country’s fifth biggest city.
I can’t find much but this :
https://www.researchgate.net/publication/358950044_Invited_perspectives_how_does_climate_change_affect_the_risk_of_natural_hazards_Challenges_and_step_changes_from_the_reinsurance_perspective