Tuesday, 26 June 2018
New Mexico/Santa Fe Room/Portal (La Fonda on the Plaza)
This presentation will provide an overview of the second Rapid Deployments to Wildfires (RaDFIRE2) experiment, proposed to operate during July-September 2019 out of Boise, ID. RaDFIRE2 is designed to advance understanding of the fire-atmosphere interactions contributing to rapid wildfire growth, with a focus on examining the poorly understood couplings amongst wildfire convective plumes, fire-induced winds, and fire behavior during rapidly expanding wildfires. These objectives will be accomplished by observing the co-evolution of fire and atmospheric processes using a combination of airborne and ground based radars, lidars, and thermal imaging systems. A rapid-response sampling strategy will be employed whereby access to fires will be facilitated by the research team's experience integrating with federal and state fire management teams. Sampling will span a range of fire behaviors and atmospheric conditions. These observations along with numerical simulations from WRF-SFIRE will be used to address the following scientific questions:
- What are the links between ambient meteorology, fire behavior, and plume rise dynamics?
- What controls the strength of fire-induced inflows and what affect do these inflows have on fire propagation and plume dynamics?
- What determines the vertical extent of pyrocumulus, and what impact do these pyro-clouds have on fire behavior?
- What physical processes govern entrainment and detrainment in wildfire convective plumes?
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