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High-Resolution Fire Weather Index Data for the Conterminous US (1980–2099), Version 1

  • Zhang, Tianqi | Oak Ridge National Laboratory
  • Mao, Jiafu | Oak Ridge National Laboratory
  • Kao, Shih-Chieh | Oak Ridge National Laboratory
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Overview

Description

This dataset presents a suite of high-resolution fire weather index datasets calculated from observation (gridMet, Livneh, Daymet V4), reanalysis (AgERA5), downscaled hydro-climate projections over the conterminous United States (CONUS) based on multiple selected Global Climate Models (GCMs) from the Coupled Model Intercomparison Project Phase 6 (CMIP6). Aside from the daily FWI datasets, we also include a set of FWI extreme indicators at annual, seasonal, and monthly scales, including 1) fwixx: maximum FWI; 2) fwisa: mean FWI. For annual fwisa, it refers to the season with the maximum seasonal average; 3) fwils: Length of fire season over a specified period, where fire season is defined as the days exceeding the median value of the normalized FWI during the reference period (1980-1984); 4) fwixd: Number of extreme fire weather days over a specified period, where extreme day is defined as the day with FWI > the 95th percentile of the FWI during the reference period (1980-1984). All FWI datasets cover 1980-2020 baseline and the model simulated products including the downscaled products additionally include 2021-2099 near-future periods under the high-end (SSP585) emission scenario.

Funding resources

DOE contract number

DE-AC05-00OR22725

Originating research organization

Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring organization

Office of Science (SC); DOE Grid Modernization Initiative

Details

DOI

10.13139/OLCF/2533549

Release date

April 21, 2025

Dataset

Dataset type

ND Numeric Data

Software

Any type of NetCDF readers

Acknowledgements

Users should acknowledge the OLCF in all publications and presentations that speak to work performed on OLCF resources:

This research used resources of the Oak Ridge Leadership Computing Facility at the Oak Ridge National Laboratory, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725.

Category

  • 54 ENVIRONMENTAL SCIENCES,
  • 58 GEOSCIENCES,
  • 97 MATHEMATICS AND COMPUTING

Keywords

  • CMIP6,
  • CONUS,
  • Downscaling,
  • Wildfire,
  • Fire weather index,
  • Global climate models,
  • NASA-nex-gddp