North America

Record-shattering March temperatures in Western North America virtually impossible without climate change

An unusually early spring heatwave is developing across the southwestern United States (US), with temperatures that are more typical of summer than mid-March (AccuWeather, 16 March 2026). Driven by a strong, slow-moving high pressure system, called a ‘heat dome’, the event is causing temperatures to rise 11-17℃ (20-30℉) above average across parts of California, Nevada … Continue reading “Record-shattering March temperatures in Western North America virtually impossible without climate change”

Effective emergency management prevented larger catastrophe after climate change fueled heavy rains in Central Mississippi river valley

An image of a flooded road with a sign that says 'road closed ahead’, a house with brown water up to its windows and a submerged car.

In early April, a number of severe storms hit the Central Mississippi river valley in the United States, marked by extreme rainfall and a record number of tornado warnings.

When Risks Become Reality: Extreme Weather In 2024

A composite image with five panels showing: a satellite image of flood waters discharging into the ocean, workers sweeping mud after a flood, a forestfire, a women walking through a flood and a satellite image of a hurricane.

When Risks Become Reality: Extreme Weather in 2024 is our annual report, published this year for the first time.

Yet another hurricane wetter, windier and more destructive because of climate change

A satellite photo of Hurricane Milton as a massive swirling mass of white cloud above earth with black space at the top of the photo.

Hurricane Milton began as a tropical depression in the Gulf of Mexico on Saturday 5th October. It very rapidly intensified to tropical storm status, before undergoing explosive intensification to a high category 5 between Sunday 6th and Monday 7th, as it moved southeast towards the Yucatan Peninsula (NOAA, 2024), where the central pressure fell to … Continue reading “Yet another hurricane wetter, windier and more destructive because of climate change”

Climate change key driver of catastrophic impacts of Hurricane Helene that devastated both coastal and inland communities

A satellite image of Hurricane Helene in the Gullf of Mexico. The hurricane is a massive swirl of white cloud with the grey and brown landmass of Mexico and the US to the left.

Late on September 26th, Hurricane Helene made landfall at category 4 on the Saffir-Simpson scale on the panhandle of Florida, bringing high winds, extreme rainfall and storm surges to coastal areas.

Record-shattering March temperatures in Western North America virtually impossible without climate change

Effective emergency management prevented larger catastrophe after climate change fueled heavy rains in Central Mississippi river valley

When Risks Become Reality: Extreme Weather In 2024

Yet another hurricane wetter, windier and more destructive because of climate change

Climate change key driver of catastrophic impacts of Hurricane Helene that devastated both coastal and inland communities

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