Revisiting the Analysis of the High Resolution Wind Model Using MADONA Field Data

Report No. ARL-TR-3497
Authors: Chatt C. Williamson, Dennis M. Garvey, and Sam S. Chang
Date/Pages: April 2005; 16 pages
Abstract: Cionco and Byers (1995) conducted an evaluation of the High Resolution Wind model (HRW) performance using the MADONA field study data (Cionco et. al.1999). The primary indicator for model performance used in their evaluation was the regression coefficient obtained from fitting a linear model to the observed data versus the simulated data. The regression coefficients obtained in their study were remarkably high, 0.9701 and 0.8567 for wind direction and speed respectively. In this report, we look further into this result to try to understand the significance of the large correlations indicated by these coefficients. We further investigate other statistical measures to evaluate the performance of the HRW model and compare these measures with a simple model using a homogeneous wind field.
Distribution: Approved for public release
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Last Update / Reviewed: April 1, 2005