 Hurricane Kate was the final in a series of tropical cyclones to impact the United States during 1985 and the latest in any calendar year to strike the country at hurricane intensity on record . The eleventh named storm , seventh hurricane , and third major hurricane of the annual hurricane season , Kate originated from the interaction of an upper @-@ level trough and a tropical wave that moved off the coast of Africa on September 28. sierpniu 1985. The wave moved into the Caribbean Sea , where it was identified as a tropical depression on September 29. The depression strengthened into Tropical Storm Kate on September 2