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Evaluation of the weather research and forecasting model in simulating fire weather for the south-west of Western Australia

Kala, J.ORCID: 0000-0001-9338-2965, Tenna, A.S., Rudloff, D., Andrys, J., Rieke, O. and Lyons, T.J. (2020) Evaluation of the weather research and forecasting model in simulating fire weather for the south-west of Western Australia. International Journal of Wildland Fire . Online Early.

Link to Published Version: https://doi.org/10.1071/WF19111
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Abstract

The Weather Research and Forecasting (WRF) model was used to simulate fire weather for the south-west of Western Australia (SWWA) over multiple decades at a 5-km resolution using lateral boundary conditions from the European Centre for Medium-Range Weather Forecasts (ECMWF) Re-Analysis (ERA)-Interim reanalysis. Simulations were compared with observations at Australian Bureau of Meteorology meteorological stations and the McArthur Forest Fire Danger Index (FFDI) was used to quantify fire weather. Results showed that, overall, the WRF reproduced the annual cumulative FFDI at most stations reasonably well, with most biases in the FFDI ranging between –600 and 600. Biases were highest at stations within the metropolitan region. The WRF simulated the geographical gradients in the FFDI across the domain well. The source of errors in the FFDI varied markedly between the different stations, with no one particular variable able to account for the errors at all stations. Overall, this study shows that the WRF is a useful model for simulating fire weather for SWWA, one of the most fire-prone regions in Australia.

Item Type: Journal Article
Murdoch Affiliation: Environmental and Conservation Sciences
Publisher: CSIRO Publishing
Copyright: © 2020 CSIRO
URI: http://researchrepository.murdoch.edu.au/id/eprint/56177
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