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Applications of a Lightning Proxy to Generate Synthetic Lightning for Use in Physics-Based Image-Chain Models
A method of generating synthetic lightning through the use of a convective available potential energy (CAPE) times precipitation rate (P) proxy (CP) is applied over three distinct climatological zones of the world for a single warm season: central and southern Arizona of the United States, central Cuba, and North Korea. Global Forecast System (GFS) 0.25 by 0.25 forecast data for June, July, and August of 2019 is used to provide 6-hourly CAPE and precipitation rate, while Global Lightning Dataset (GLD360) data for the period 2016 to 2020 is used to provide observed lightning strokes. A proxy is then used to forecast lightning at monthly and seasonal timescales and compared to observed lightning stroke densities.
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