The National Severe Weather Warning Service is an impact-based warning service provided by the Met Office, the UKs only severe weather warnings service.

An understanding of the visual warnings ‘matrix’ is crucial for preparation or action when severe weather is forecast. Having identified the complexity and potential misinterpretation of the warnings matrix, we produced this explainer video for emergency responders (alongside Met Office weather experts and advisors), to demonstrate a correct reading of the warnings matrix through a developing high-impact weather scenario.