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ClimaMeter is an experimental rapid framework for understanding extreme weather events in a changing climate based on looking at similar past weather situations. Find out more here and follow us on BlueSky .
ClimaMeter is an experimental rapid framework for understanding extreme weather events in a changing climate based on looking at similar past weather situations. Find out more here and follow us on BlueSky .
🆕 Starting from December 6, 2024, our analyses integrate ERA5 data, providing coverage from 1950 with a latency of approximately 5 days and GFS forecasts, for the most recent days where ERA5 data is not yet available. This upgrade ensures more robust data retrieval; extends our historical period up to 1950, improving the research of analogues; makes it possible to perform analysis on the same day an event occurs. For more details, click here.
Heavy rain in May 2025 Democratic Republic of the Congo floods locally intensified by human-driven climate change
Heavy rain in May 2025 Democratic Republic of the Congo floods locally intensified by human-driven climate change
Between 8 and 9 May 2025 heavy rainfall affected the South Kivu province in the Democratic Republic of the Congo (DRC), causing the Kasaba River to overflow, leading to severe flooding in the Kasaba village, on the Lake Tanganyika shore. The isolation of the area and the lack of connection to the internet made communication and rescue operations difficult, although several news outlets reported around 100 confirmed fatalities from the event.
Climameter found that meteorological conditions leading to the May 2025 floods in Democratic Republic of the Congo are up to 7 mm/day wetter (up to 25%) compared to similar past events. We interpret this event as an exceptional meteorological occurrence, with characteristics that were mostly strengthened by human-driven climate change.
Floods in Kasaba Village in DR Congo on Saturday, May 10, 2025. Image credit: Association Chrétienne des Humanitaristes
April 2025 India & Pakistan heatwave mostly strengthened by human-driven climate change
April 2025 India & Pakistan heatwave mostly strengthened by human-driven climate change
In mid-April 2025, a severe heatwave struck both India and Pakistan, pushing temperatures to dangerous levels and intensifying the challenges faced by millions. From April 14 to 15, parts of Pakistan, particularly Balochistan, saw temperatures soar to up to 49°C (120°F). This unusual early arrival of the heatwave caught many off guard, with local residents experiencing power outages lasting up to 16 hours, exacerbating the impact of the extreme heat. In India, the capital city of New Delhi reported temperatures surpassing 40°C (104°F) on multiple occasions, up to 5°C above the seasonal average. The heatwave spread across neighboring states like Rajasthan, where laborers and farmers struggled to work in the scorching conditions, with increasing reports of heat-related illnesses.
Climameter found that meteorological conditions similar to the April 2025 India & Pakistan heatwave have become up to 4°C warmer than in the present than in the past . We interpret the April 2025 India and Pakistan heatwave as an event driven by very exceptional meteorological conditions whose characteristics can mostly be ascribed to human driven climate change
A volunteer pours water on a pedestrian's head to cool off during a hot summer day along a street in Karachi on April 5, 2025. Rizwan Tabassum/AFP/Getty Images
Heavy precipitation in late-March 2025 Cyclades storm likely influenced by both human-driven climate change and natural variability
Heavy precipitation in late-March 2025 Cyclades storm likely influenced by both human-driven climate change and natural variability
In late March and early April 2025, severe storms struck several Greek islands, leading to significant flooding and damage. On March 31, the islands of Paros and Mykonos experienced torrential rains and hailstorms, resulting in submerged streets and vehicles being swept away. Authorities responded by closing schools and restricting traffic to emergency vehicles. Residents and tourists were advised to remain indoors as emergency services conducted rescue operations, successfully assisting stranded individuals without reported injuries.
ClimaMeter found that storms similar to the late-March 2025 Cyclades Storm are up to 5mm/day ( up to 10-15%) wetter in the present than they would have been in the past. We interpret the Cyclades Storm as an event driven by rare meteorological conditions whose characteristics can mostly be ascribed to human driven climate change.
A photograph taken by a drone shows the port of Naousa after powerful storms triggered widespread flooding on the Aegean island of Paros [Stathis Roussos/AP]
Meteorological conditions leading to March 2025 wildfires in Japan and South Korea likely strengthened by human-driven climate change
Meteorological conditions leading to March 2025 wildfires in Japan and South Korea likely strengthened by human-driven climate change
The large-scale wildfires broke out in eastern Asia in March 2025, with devastating impacts in both Japan and South Korea were made more intense due to human-induced climate change, according to a new rapid analysis by the ClimaMeter consortium. The fires began on March 21st in western Japan and South Korea, fueled by dry conditions, strong winds, and high temperatures. At least six lives were lost across both countries, and the wildfires left widespread devastation, burning hundreds of hectares in Japan and thousands in South Korea.
Climameter found that depressions near East Asia similar to these wildfires bring up to +2ºC now that in previous decades in the wildfire-affected regions. Winds are also stronger, with speeds of up to 4.8 km/h more intense, especially near coastal areas of South Korea and northern Japan. The analysis found that while some of these changes can be caused by natural variability, human-driven climate change has also contributed to the event.
Other Recent Extreme Events
Other Recent Extreme Events
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