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Developer releases open-source Python tool for rendering NOAA MRMS radar data

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Taylor Creative Development has released MRMS Renderer, an open-source Python project that processes and visualizes weather radar data from NOAA's Multi-Radar/Multi-Sensor system. The tool handles the full pipeline from downloading GRIB2 files to rendering animated radar overlays on OpenStreetMap via Leaflet, all running locally without a hosted service. Benchmarks on an M4 Pro MacBook Pro showed the complete workflow finishing in roughly two seconds, with data download identified as the primary bottleneck rather than rendering. The project uses NumPy vectorization, ecCodes for GRIB2 decoding, and is published under the Apache License 2.0 on GitHub. It was originally built as research for a broader weather app called Weather Experience, but was restructured into a standalone, well-documented reference implementation for developers working with NOAA radar data.

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