Backbone Fire

Arizona · 2021 · 40,858 acres

Max Debris Flow Probability
100%
Total Debris Volume
5,645 m³
Sub-watersheds Analyzed
4
Max Flow Velocity
1.9 m/s
Max Flow Depth
0.8 m

About This Assessment

TORRENT computed debris flow hazard for the Backbone Fire fire using physics-based models on real USGS 3DEP terrain data (10m resolution). The analysis covers 4 sub-watersheds across 4 design storm scenarios (2-yr, 10-yr, 25-yr, 100-yr return periods) using USGS logistic regression (Staley et al. 2017) for probability and Gartner et al. (2014) for volume estimation.

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