Changes in hail hazard across Australia: 1979–2021

نویسندگان

چکیده

Abstract Hail damage is a leading cause of insured losses in Australia, but changes this hazard have not been robustly quantified. Here, we provide continental-scale analysis hail Australia. A proxy applied to reanalysis data shows that from 1979–2021 annual hail-prone days decreased over much Australia increased some heavily populated areas. For example, the number by ~40% around Sydney and Perth, largest cities on Australia’s east west coasts, respectively. Changes atmospheric instability driven trends. Radar observations, while covering shorter time spans more limited area than reanalysis, corroborate broad pattern results. This study consistent hail-frequency trends radar indicators environments demonstrates substantial increases frequency major Australian where impacts are most significant.

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ژورنال

عنوان ژورنال: npj climate and atmospheric science

سال: 2023

ISSN: ['2397-3722']

DOI: https://doi.org/10.1038/s41612-023-00454-8