Prior to impending severe weather, offices may launch another balloon to get an updated glimpse of the atmosphere to improve their forecast. During hurricane season, the National Hurricane Center may request offices to release two additional balloons per day for the same reason. These additional ball...
National Weather Service (NWS), official weather bureau of the United States, founded on February 9, 1870, and charged with providing weather, hydrologic, and climate forecasts and warnings for the United States, its possessions, and its marine and fresh