<P> Tropical disturbances that reach tropical storm intensity are named from a pre-determined list . On average , 10.1 named storms occur each season , with an average of 5.9 becoming hurricanes and 2.5 becoming major hurricanes ( Category 3 or greater ) . The most active season was 2005 , during which 28 tropical cyclones formed , of which a record 15 became hurricanes . The least active season was 1914 , with only one known tropical cyclone developing during that year . The Atlantic hurricane season is a time when most tropical cyclones are expected to develop across the northern Atlantic Ocean . It is currently defined as the time frame from June 1 through November 30 , though in the past the season was defined as a shorter time frame . During the season , regular tropical weather outlooks are issued by the National Hurricane Center , and coordination between the Weather Prediction Center and National Hurricane Center occurs for systems which have not formed yet , but could develop during the next three to seven days . </P>
<P> Tropical disturbances that reach tropical storm intensity are named from a pre-determined list . On average , 10.1 named storms occur each season , with an average of 5.9 becoming hurricanes and 2.5 becoming major hurricanes ( Category 3 or greater ) . The most active season was 2005 , during which 28 tropical cyclones formed , of which a record 15 became hurricanes . The least active season was 1914 , with only one known tropical cyclone developing during that year . The Atlantic hurricane season is a time when most tropical cyclones are expected to develop across the northern Atlantic Ocean . It is currently defined as the time frame from June 1 through November 30 , though in the past the season was defined as a shorter time frame . During the season , regular tropical weather outlooks are issued by the National Hurricane Center , and coordination between the Weather Prediction Center and National Hurricane Center occurs for systems which have not formed yet , but could develop during the next three to seven days . </P>
when does hurricane season begin in the united states
when does hurricane season begin in the united states
June 1
June 1