Exploring a graph theory based algorithm for automated identification and characterization of large mesoscale convective systems in satellite datasets
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Mesoscale convective systems are high impact convectively driven weather systems that contribute large amounts to the precipitation daily and monthly totals at various locations globally. As such, an understanding of the lifecycle, characteristics, frequency and seasonality of these convective features is important for several sectors and studies in climate studies, agricultural and hydrological studies, and disaster management. This study explores the applicability of graph theory to creating a fully automated algorithm for identifying mesoscale convective systems and determining their precipitation characteristics from satellite datasets. Our results show that applying graph theory to this problem allows for the identification of features from infrared satellite data and the seamlessly identification in a precipitation rate satellite-based dataset, while innately handling the inherent complexity and non-linearity of mesoscale convective systems.
KeywordsMesoscale convective systems Mesoscale convective complexes Graph theory Infrared satellite dataset Precipitation satellite-based dataset
We acknowledge the NASA GES DISC as the data source. The authors wish to thank the NASA Jet Propulsion Laboratory Regional Climate Model Evaluation System (RCMES) and the Apache Open Climate Workbench (Apache OCW) teams for their support. The authors also wish to thank the reviews for their comments that improved the quality of the article.
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