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SWIRLS products are routinely verified (more information) to monitor its performance and to identify
areas of improvements. Selected benchmarks of SWIRLS in Hong Kong in 2025 are summarized below:
Verification result of the Significant Convection Nowcast in 2025 is shown in the following figure: 
Verification Results of Deep Learning Regional Nowcast based on Satellite-derived Reflectivity (January to December 2025) are shown in the following figures. (Click the figures to enlarge) (i) CSI, HSS, POD and FAR scores: 
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(ii) FSS (Fractions Skill Score):
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