Handout (3.6 MB)
While the technique has been tested to ensure that it does not produce spurious or unphysical results, its efficacy in approximating heterogeneity has yet to be evaluated in comparison to model simulations that explicitly incorporate temporal and spatial environmental variability. BSS neglects the instantaneous effects of local environmental gradients, and it is unclear whether this omission will prevent realistic storm evolution and depiction of dynamical processes. To address this gap, a series of case study simulations were conducted whereby a given storm was simulated in a fully heterogeneous environment (using WRF), and in an approximately heterogeneous environment (using BSS in CM1). The results of each simulation pair will be shown, as well as comparisons of storm mode, track, and a variety of storm intensity metrics.
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