Preprints
https://doi.org/10.5194/nhess-2021-122
https://doi.org/10.5194/nhess-2021-122

  17 May 2021

17 May 2021

Review status: this preprint is currently under review for the journal NHESS.

Wildfire-Atmosphere Interaction Index for Extreme Fire behaviour

Tomas Artés1, Marc Castellnou2, Tracy Houston Durrant3, and Jesús San-Miguel1 Tomas Artés et al.
  • 1European Commission, Joint Research Centre (JRC), Ispra, Italy
  • 2Grup de Recolzament a Actuacions Forestals (GRAF), Generalitat de Catalunya, Carretera de l’Autònoma, sn. 08290 Cerdanyola del Vallés, Spain
  • 3External consultant for the European Commission (Engineering Ingegneria Informatica S.p.A.) Engineering Ingegneria Informatica S.p.A., Rome, Italy

Abstract. During the last 20 years extreme wildfires have challenged firefighting capabilities. Often, the prediction of the extreme behaviour is essential for the safety of citizens and fire fighters. Currently, there are several fire danger indices routinely used by firefighting services, but they are not suited to forecast convective extreme wildfire behaviour at global scale. This article proposes a new fire danger index, extreme fire behaviour index (EFBI), based on the analysis of the vertical profiles of the atmosphere above wildfires as an alternative to the use of traditional fire danger indices. The EFBI evaluates the ease of interaction between wildfires and the atmosphere that could lead to convective, erratic and extreme wildfires. Results of this research in the analysis of some of the critical fires in the last years show that the EFBI can potentially be used to provide valuable information to identify convective fires and to enhance fire danger rating schemes worldwide.

Tomas Artés et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2021-122', Miguel Pinto, 31 May 2021
    • AC1: 'Reply on RC1', Tomàs Artés Vivancos, 21 Jun 2021
  • RC2: 'Comment on nhess-2021-122', Anonymous Referee #2, 12 Aug 2021
    • AC2: 'Reply on RC2', Tomàs Artés Vivancos, 13 Sep 2021

Tomas Artés et al.

Tomas Artés et al.

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Short summary
During the last 20 years extreme wildfires have challenged firefighting capabilities. There are several fire danger indices routinely used by firefighting services, but they are not suited to forecast convective extreme wildfire behaviour at global scale. This article proposes a new fire danger index, extreme fire behaviour index (EFBI), based on the analysis of the vertical profiles of the atmosphere above wildfires as in addition to the use of traditional fire danger indices at global scale.
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