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Record-shattering 2023 Spring heatwave in western Mediterranean amplified by long-term drought

Earth Sciences

Record-shattering 2023 Spring heatwave in western Mediterranean amplified by long-term drought

M. Lemus-canovas, D. Insua-costa, et al.

Discover how soil moisture impacts early heatwaves in the western Mediterranean, as highlighted in this groundbreaking study by Marc Lemus-Canovas, Damián Insua-Costa, Ricardo M. Trigo, and Diego G. Miralles. Their research uncovers the crucial role of soil moisture in forecasting extreme temperatures and the conditions leading to record-breaking heat events.

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Playback language: English
Abstract
The western Mediterranean experienced an unprecedented early heatwave in April 2023, shattering temperature records. This study investigates soil moisture-temperature interactions using observations and statistical analysis. Results reveal that soil moisture deficit, coupled with a strong subtropical ridge, amplified and prolonged the heatwave. Extreme temperatures were 4.53 times less likely and 2.19 °C lower with wet soils. Soil moisture is crucial for seasonal forecasting of early heatwaves in this region.
Publisher
npj Climate and Atmospheric Science
Published On
Jan 23, 2024
Authors
Marc Lemus-Canovas, Damián Insua-Costa, Ricardo M. Trigo, Diego G. Miralles
Tags
heatwave
soil moisture
temperature records
subtropical ridge
climate

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