A review of early severe weather applications of high‐resolution regional reanalysis in Australia

Fox‐Hughes, Paul and Su, Chun‐Hsu and Eizenberg, Nathan and White, Christopher and Steinle, Peter and Jakob, Doerte and Black, Mitchell and Dowdy, Andrew and Brown, Andrew and Nathan, Rory and Acharya, Suwash Chandra (2022) A review of early severe weather applications of high‐resolution regional reanalysis in Australia. Meteorological Applications, 29 (4). e2087. ISSN 1469-8080 (https://doi.org/10.1002/met.2087)

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High‐resolution regional reanalysis datasets have the potential to provide valuable guidance to emergency management agencies, highlighting areas at risk of severe weather, including estimates of return periods of various hazardous weather phenomena. The BARRA regional reanalysis for Australia comprises a reanalysis for a broad region around Australia at moderately high spatial and temporal resolution (12 km/hourly), together with four subdomains at high resolution (1.5 km/1 h). Here, we document four applications of BARRA developed for emergency management: optimal placement of portable automatic weather stations for fire weather monitoring; climatology of low‐level wind shear conducive to cool‐season tornadogenesis; development of rainfall intensity–frequency–duration curves based on the gridded reanalysis data; and development of a climatology across Australia of parameters associated with severe thunderstorm occurrence.