Wind- Speed—Surface- Heat- Flux Feedback in Dust Devils. Research Letter. First Online: 2. June 2. 01. 6Received: 1. December 2. 01. 5Accepted: 0. May 2. 01. 6Abstract. Strong winds associated with dust devils can induce locally large heat fluxes from the surface, and resulting enhanced buoyancy may further intensify the dust devils. This positive wind—surface- heat- flux feedback is studied using a large- eddy simulation of a convective boundary layer.

A comparison of the results with and without the feedback process for the same environment demonstrates the significance of the feedback process for simulated dust devils. Keywords. Bulk method Dust devil Large- eddy simulation Surface heat flux Whirlwind References. Craig GC, Gray SL (1. CISK or WISHE as the mechanism for tropical cyclone intensification.

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