Heavy rainfall affecting Tanzania since the beginning of April, caused severe floods and landslides which resulted in at least 58 fatalities and thousands of households affected. The coastal regions of the country have been particularly hard hit, with devastating impacts on both human lives and agriculture.
Catastrophic floods have submerged large areas of south-western Russia and north-western Kazakhstan since April 3, 2024. To date, floods have affected 15 641 homes and 27 993 garden plots in Russia, prompting widespread evacuations and the declaration of state emergencies in affected areas. Nearly 111 200 people were evacuated in Kazakhstan and approximately 5 500 homes were flooded.
Officials in Northern Ostrobothnia have issued flood warnings due to rising water levels in the Kalajoki River, impacting the municipalities of Ylivieska, Alavieska, and Kalajoki. Evacuations were conducted in Niemelänkylä, where three individuals were safely moved on Saturday night, 130 km (80 km) south of Oulu.
Heavy seasonal rainfall affecting Afghanistan since April 12, 2024, has led to devastating floods and roof collapses in 20 out of 34 provinces. As of April 15, these incidents have resulted in 33 fatalities and 27 injuries, with Kabul, Farah, Herat, Kandahar, and Zabul being the worst affected. Over 1 000 families have been impacted, and significant damage to property and infrastructure has been reported.
Heavy rainfall caused major flash floods across Oman on Sunday, April 14, 2024, leading to at least 12 fatalities and 5 people missing.
A deadly severe weather outbreak hit the Gulf Coast and lower Mississippi Valley on April 10, 2024, with tornadoes, heavy rains, and high wind gusts. The storms caused at least one fatality in Mississippi and widespread destruction, including in New Orleans, which faced a Flash Flood Emergency. Investigations suggest the event might qualify as a serial derecho — a significant meteorological phenomenon.
Severe flooding struck Russia’s Ural Mountains and Siberia, alongside parts of neighboring Kazakhstan since April 3, 2024, caused by rapid snow melt and heavy rainfall. The situation worsened after two dams broke near Orsk City on April 5, leading to record flood levels by April 7. The crisis has resulted in at least three deaths in Russia and more than 10 500 homes flooded. In Kazakhstan, two fatalities and nearly 75 000 displacements have been reported.
Heavy rains in Brazil’s Rio de Janeiro state on March 22, 2024, resulted in at least nine fatalities, with Petropolis being the hardest hit. A staggering 270 mm (11 inches) of rain fell within 24 hours, significantly impacting the region and leading to numerous incidents, including landslides and house collapses. The storm then moved to the neighboring state of Espírito Santo, dropping more than 200 mm (7.8 inches) of rainfall within 24 hours.
Heavy rainfall affecting the Kurdistan Region of Iraq on March 19, 2024, caused extreme flooding in the Duhok Governorate, leading to the deaths of at least two people and damage to dozens of homes.
Category 3 Tropical Cyclone “Megan” made landfall near Borroloola, the southwestern Gulf of Carpentaria coast, at approximately 06:00 UTC on March 18, 2024. At the time of the landfall, the system had a minimum pressure of 976.1 hPa and 1-minute sustained winds of 185 km/h (115 mph). Megan is the 5th named storm of the 2023/24 Australian region cyclone season.
