The climatology and meteorology of windstorms that affect southwest British Columbia, Canada, and associated tree-related damage to the power distribution grid

Read, W.

doi:10.14288/1.0166485

2015

DOI: 10.14288/1.0166485

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The climatology and meteorology of windstorms that affect southwest British Columbia, Canada, and associated tree-related damage to the power distribution grid

W. Read

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Deep-learning-based precipitation observation quality control

Sha

Gagne

West

et al. 2021

Journal of Atmospheric and Oceanic Technology

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We present a novel approach for the automated quality control (QC) of precipitation for a sparse station observation network within the complex terrain of British Columbia, Canada. Our QC approach uses Convolutional Neural Networks (CNNs) to classify bad observation values, incorporating a multi-classifier ensemble to achieve better QC performance. We train CNNs using human QC’d labels from 2016 to 2017 with gridded precipitation and elevation analyses as inputs. Based on the classification evaluation metrics, our QC approach shows reliable and robust performance across different geographical environments (e.g., coastal and inland mountains), with 0.927 Area Under Curve (AUC) and type I/type II error lower than 15%. Based on the saliency-map-based interpretation studies, we explain the success of CNN-based QC by showing that it can capture the precipitation patterns around, and upstream of the station locations. This automated QC approach is an option for eliminating bad observations for various applications, including the pre-processing of training datasets for machine learning. It can be used in conjunction with human QC to improve upon what could be accomplished with either method alone.

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Deep-learning-based precipitation observation quality control

Sha

Gagne

West

et al. 2021

Journal of Atmospheric and Oceanic Technology

View full text Add to dashboard Cite

show abstract

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The climatology and meteorology of windstorms that affect southwest British Columbia, Canada, and associated tree-related damage to the power distribution grid

Cited by 1 publication

References 0 publications

Deep-learning-based precipitation observation quality control

Deep-learning-based precipitation observation quality control

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