Nearly 800 homes have been deemed uninhabitable following the historic floods in New South Wales, Australia, from May 17 to 22, 2025, that claimed five lives and cut off around 50 000 people. The event has been classified as an insurance catastrophe, with some calling it a once-in-a-500-year flood.
Mumbai experienced its earliest monsoon onset in 75 years on May 26, 2025, leading to record-breaking rainfall that surpassed a 107-year-old May record at the Colaba observatory. The heavy rains caused widespread flooding, disrupting traffic and leading to power outages across the city.
A rare May nor’easter brought widespread flooding and significant tree damage across Massachusetts on Thursday and Friday, May 22 and 23, 2025. The storm disrupted travel across multiple regions and led to several rescue operations for motorists stranded in rising waters.
Heavy rains linked to the intertropical convergence zone (ITCZ) have affected more than 270 000 people in Maguindanao del Sur, Mindanao, Philippines, between May 14 and 22, 2025. Floodwaters have damaged homes and disrupted transportation, forcing thousands to seek shelter in evacuation centers.
Severe flooding persisted across eastern New South Wales (NSW) on Thursday, May 22, 2025, following days of heavy rainfall from a slow-moving trough. Floodwaters inundated towns in the Mid North Coast and Hunter regions for a third consecutive day. Three fatalities have been confirmed, one person remains missing, and approximately 50 000 residents are isolated.
Heavy rainfall triggered severe flooding across parts of Accra, Ghana, on May 18, 2025, killing four people and displacing more than 3 000.
Heavy rainfall between May 18 and 19, 2025, caused severe flooding in Bengaluru, resulting in three deaths and inundating over 500 homes. Relief operations are ongoing as further rainfall is forecast for the next five days.
Widespread flooding is affecting parts of eastern New South Wales after days of extremely heavy rainfall pushed rivers beyond capacity starting Sunday, May 18, 2025. The Manning River reached a record 6.4 m (21 feet) at Taree, breaking a record set in 1929. Approximately 48 000 people have been isolated, and emergency crews have responded to nearly 4 000 calls for assistance.
Heavy rain caused severe flooding across New South Wales’ Mid North Coast and Hunter region on May 20, 2025, leading to evacuations and multiple flood rescues. Rivers rose above flood levels, forcing residents in towns like Taree, Coopernook, and Wingham to evacuate. Thousands of homes lost power as emergency services responded to hundreds of incidents.
A landslide triggered by heavy rain struck a remote gold mine in West Papua on May 16, killing six and leaving 14 missing. Rescue efforts were delayed by the site’s inaccessibility and were halted again on May 19 due to damaged roads and continued rainfall.
