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Showing 1 to 4 of 4 for “"shape metrics"”.
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The Evolution and Distribution of Precipitation during Tropical Cyclone Landfalls using the GPM IMERG Product
… changes during landfall. This study applies a shape metric methodology to quantify the spatiotemporal evolution of TCP in the North Indian (NI), Western Pacific (WP), and North Atlantic (NA) basins. The International Best Track Archive for Climate Stewardship (IBTrACS) data and the Global …
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The Role of Environmental Moisture on Tropical Cyclone Size and Structure
… sizes among the groups are compared using size metrics based on the wind field and shape metrics based on the precipitation field. These metrics are considered at the central timestep identified in the EOF analysis as well as a 48-hour window centered on the central timestep. There are no …
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Spatial pattern of African Easterly Waves and their Precipitation in Northern Africa
… near the wave center. The study also applies shape metrics to assess the AEW precipitation structure at thresholds of 2 mm hr⁻¹ and 5 mm hr⁻¹. The Mann-Whitney U-test indicates significant differences between 700 hPa, 850 hPa, and vertically collocated waves in terms of area, closure, and …
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Evaluating the Skillfulness of the Hurricane Analysis and Forecast System (HAFS) Forecasts for Tropical Cyclone Precipitation using an Object-Based Methodology
… between stratiform and convective precipitation. Shape metrics such as area, closure, dispersion, and fragmentation, are calculated for the forecast and observed objects and compared using a Mann Whitney U test. The evaluation showed that model precipitation characteristics were consistent with …