Heavy rain that flooded northeast Aotearoa New Zealand is now more common on warmer planet

Satellite image of cyclone Gabrielle above New Zealand.

Climate change a likely cause for the increase, but scientists cannot yet quantify the precise influence of human-caused warming on last month’s rainfall Very heavy rain, like the event that flooded parts of Aotearoa New Zealand in February during Cyclone Gabrielle, has become about four times more common in the region, and extreme rainfall events … Continue reading “Heavy rain that flooded northeast Aotearoa New Zealand is now more common on warmer planet”

Geert Jan van Oldenborgh, 1961–2021

With deepest sadness we must share with you the news that Geert Jan van Oldenborgh, dear friend, amazing scientist, co-founder and co-leader of World Weather Attribution, husband and father, and a wonderful human, passed away on 12 October 2021.

14 October, 2021 | News |

Pathways and Pitfalls in extreme event attribution

Stormy sky over a calm beach

Experiences from the World Weather Attribution collaboration: We attempt to answer the question whether and to what extent the likelihood and intensity of an observed event changed due to the anthropogenic modification of the Earth’s climate using a method called extreme event attribution.

13 May, 2021 | News |