Climate Change

Ocean warming drove 10% rise in 'extreme' rainfall from Atlantic hurricanes in 2020

The Atlantic hurricane season was the most active on record in 2020. Image: via REUTERS

Ayesha Tandon

Science Journalist, Carbon Brief

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Observed hurricane tracks (black lines) and sea surface temperatures (red and orange shading) for the north Atlantic over 1 June – 30 November 2020. Image: Reed et al (2022)

Global (solid line) and north Atlantic (dashed line) warming over 1920-2020, based on CESM model runs. Image: Reed et al (2022).
2020 North Atlantic temperature anomaly compared to 1850 values, based on CESM model runs. Image: Reed et al (2022).

Three-day accumulated rainfall [mm/day] from tropical storm Ana (left) and tropical cyclone Batsirai (right) in ERA5 reanalysis data. The red box indicates the region used for the assessment in Mozambique and Malawi. Image: World Weather Attribution (2022).

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