Evaluation of Statistical Downscaling of North American Multimodel Ensemble Forecasts over the Western United States. Barbero, R., Abatzoglou, J. T., & Hegewisch, K. C. Weather and Forecasting, 32(1):327–341, 2017. ![Evaluation of Statistical Downscaling of North American Multimodel Ensemble Forecasts over the Western United States [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex AbstractThe skill of two statistical downscaled seasonal temperature and precipitation forecasts from the North American Multimodel Ensemble (NMME) was evaluated across the western United States at spatial scales relevant to local decision-making. Both statistical downscaling approaches, spatial disaggregation (SD) and bias correction spatial disaggregation (BCSD), exhibited similar correlative skill measures; however, the BCSD method showed superior tercile-based skill measures since it corrects for variance deflation in NMME ensemble averages. Geographic and seasonal variations in downscaled forecast skill revealed patterns across the complex topography of the western United States not evident using coarse-scale skill assessments, particularly in regions subject to inversions and variability in orographic precipitation ratios. Similarly, differences in the skill of cool-season temperature and precipitation forecasts issued when the fall El Niño–Southern Oscillation (ENSO) signal was strong versus ENSO-neutral years were evident across topographic gradients in the northwestern United States.
@article{barbero_evaluation_2017,
title = {Evaluation of {Statistical} {Downscaling} of {North} {American} {Multimodel} {Ensemble} {Forecasts} over the {Western} {United} {States}},
volume = {32},
url = {https://journals.ametsoc.org/doi/abs/10.1175/WAF-D-16-0117.1},
doi = {10.1175/waf-d-16-0117.1},
abstract = {AbstractThe skill of two statistical downscaled seasonal temperature and precipitation forecasts from the North American Multimodel Ensemble (NMME) was evaluated across the western United States at spatial scales relevant to local decision-making. Both statistical downscaling approaches, spatial disaggregation (SD) and bias correction spatial disaggregation (BCSD), exhibited similar correlative skill measures; however, the BCSD method showed superior tercile-based skill measures since it corrects for variance deflation in NMME ensemble averages. Geographic and seasonal variations in downscaled forecast skill revealed patterns across the complex topography of the western United States not evident using coarse-scale skill assessments, particularly in regions subject to inversions and variability in orographic precipitation ratios. Similarly, differences in the skill of cool-season temperature and precipitation forecasts issued when the fall El Niño–Southern Oscillation (ENSO) signal was strong versus ENSO-neutral years were evident across topographic gradients in the northwestern United States.},
number = {1},
journal = {Weather and Forecasting},
author = {Barbero, Renaud and Abatzoglou, John T. and Hegewisch, Katherine C.},
year = {2017},
keywords = {Climate models, Forecast verification/skill, Hindcasts, Interannual variability, North America, Seasonal forecasting},
pages = {327--341},
}
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