During the first two weeks of September 2023 torrential rain fell in several countries across the Mediterranean, caused by low-pressure systems forming around a blocking high centred over the Netherlands.
Extreme rainfall
Limited data prevent assessment of role of climate change in deadly floods affecting highly vulnerable communities around Lake Kivu
At the beginning of May severe flooding around Lake Kivu devastated communities in Rwanda and the Democratic Republic of Congo (DRC). Flooding and landslides led to at least 595 fatalities with 460 reported deaths in the DRC and 135 in Rwanda.
Limited net role for climate change in heavy spring rainfall in Emilia-Romagna
During May 2023, the North Italian region of Emilia-Romagna, particularly the provinces of Bologna, Ravenna, Forli-Cesena, Rimini, experienced severe flooding, following three separate heavy rainfall events on the 2nd, 10th, and 16th of May.
The role of climate change in extreme rainfall associated with Cyclone Gabrielle over Aotearoa New Zealand’s East Coast
From the 12th to the 14th of February 2023, northern and eastern regions of Aotearoa New Zealand’s Te Ika-a-Māui (North Island) were hit by extremely heavy rainfall associated with the passage of ex-tropical cyclone Gabrielle.
Climate change exacerbated heavy rainfall leading to large scale flooding in highly vulnerable communities in West Africa
From May until October 2022, large parts of West Africa experienced large-scale flooding caused by above average seasonal rainfall and water management.