The National Weather Service operates under which department?

The National Weather Service (NWS) operates under the Department of Commerce, which is responsible for promoting economic growth, job creation, and sustainable development in commerce, science, and technology in the United States. The NWS is specifically tasked with providing weather, water, and climate data, forecasts, and warnings for the protection of life and property, making it a key agency in supporting public safety and informed decision-making. The association with the Department of Commerce also emphasizes the importance of weather data in sectors such as agriculture, transportation, and emergency management, showcasing how weather impacts various aspects of the economy.