Tropical Cyclone Data-North Atlantic

Tropical Cyclone Data-North Atlantic is a historical digital data set archived at the National Climatic Data Center (NCDC). The major parameters that make up this file are; sequential numbers of each storm, time, location, stage of storm, direction, speed of movement, type of movement and maximum wind speed. A number is assigned to each tropical storm day. These numbers are assigned in sequential order, beginning with the first tropical storm day in 1886. There are two cards for each assigned storm day number. Card no. 1 contains the 7am data. Card no. 2 contains the 7pm data. The 24-hour displacement of the center of tropical cyclones are computed using the 7am position or 7pm position, respectively. The 24-hour displacement is given for each card , when available. 12-hour movements are also given. The 12-hour displacements of the center of tropical cyclones are computed using the 7am position or 7pm position, respectively. Three 12-hour displacements are given on each card for each day listed, when available.