National Weather Service, National Centers for Environmental Prediction

NCEP delivers national and global weather, water, climate and space weather guidance, forecasts, warnings and analyses to its Partners and External User Communities. The National Centers for Environmental Prediction (NCEP), an arm of the NOAA's National Weather Service (NWS), is comprised of nine distinct Centers, and the Office of the Director, which provide a wide variety of national and international weather guidance products to National Weather Service field offices, government agencies, emergency managers, private sector meteorologists, and meteorological organizations and societies throughout the world. NCEP is a critical national resource in national and global weather prediction. NCEP is the starting point for nearly all weather forecasts in the United States. The Centers are: Aviation Weather Center (AWC), Climate Prediction Center (CPC), Environmental Modeling Center (EMC), NCEP Central Operations (NCO), National Hurricane Center (NHC), Ocean Prediction Center (OPC), Storm Prediction Center (SPC), Space Weather Prediction Center (SWPC), Weather Prediction Center (WPC)

国家环境预报中心（NCEP）向其合作伙伴及外部用户群体提供全国及全球的气象、水文、气候及太空天气预报指导、预测、警报和分析。作为美国国家海洋和大气管理局（NOAA）国家气象服务（NWS）的一个分支，国家环境预报中心由九个独立的中心以及主任办公室组成，它们为全国气象服务现场办公室、政府部门、应急管理机构、私营部门气象学家以及世界各地的气象组织和社会提供多样化的全国和国际气象指导产品。国家环境预报中心是国家及全球气象预测的关键性国家资源，几乎所有美国的天气预报均以国家环境预报中心为起点。这些中心包括：航空天气预报中心（AWC）、气候预测中心（CPC）、环境建模中心（EMC）、国家环境预报中心中央操作部（NCO）、国家飓风中心（NHC）、海洋预报中心（OPC）、风暴预测中心（SPC）、太空天气预报中心（SWPC）和天气预报中心（WPC）。