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Tropical Depression One (1979)
Tropical Depression One brought severe flooding to Jamaica in June 1979. The second tropical cyclone of the Atlantic hurricane season, the depression developed from a tropical wave to the south of Grand Cayman on June 11. Tracking generally northward, the depression passed west of Jamaica. On June 12, the depression peaked with maximum sustained winds of 35 mph (55 km/h), never having reached tropical storm status. The following day, it made landfall in Cuba, where minimal impact was recorded. Early on June 14, the depression emerged into the western Atlantic Ocean and then moved parallel to the east coast of Florida for a few days. The depression made another landfall in South Carolina on June 16 and dissipated shortly thereafter.
The slow movement of the depression to the west of Jamaica resulted in torrential rainfall, peaking at in Friendship, a city in Westmoreland Parish. Throughout western Jamaica, about 1,000 homes were destroyed or severely damage, while up to 40,000 people were left homeless. The city of New Market was submerged for at least six months. Crops, electricity, telephones, buildings, and railways also suffered damage during the disaster. There were 40 deaths and approximately $27 million (1979 USD) in damage. The depression also brought heavy precipitation to Cuba and the Bahamas, while farther north, light rainfall and rough seas plagued the East Coast of the United States. One individual in South Carolina went missing and was later presumed to have died after their boat was torn loose from its mooring.
==Meteorological history==
A tropical wave emerged into the Atlantic Ocean from the west coast of Africa on May 30. Minimal development occurred as the wave tracked westward across much of the Atlantic and Caribbean Sea. However, by June 11, the system began to interact with a stationary trough of low pressure in the western Caribbean Sea. Based on ship and land observations, a tropical depression developed at 12:00 UTC that day while located about south of Grand Cayman. Initially the depression was forecast to move northwestward at about 5 mph (8 km/h);〔 instead, it drifted to the northeast. Minimal intensification occurred, as satellite imagery, weather stations, and a reconnaissance aircraft indicated the depression remained below tropical storm status. Around 18:00 UTC on June 12, the depression attained its maximum sustained wind speeds of 35 mph (55 km/h).
Early on June 13, satellite and weather radar showed heavy rainbands moving across Jamaica and eastern Cuba. Due its interaction with the two islands, the depression weakened slightly. Later on June 13, the storm made landfall near Venezuela, Cuba with winds of 30 mph (45 km/h). Moving northward, it emerged into the Atlantic Ocean near Cayo Santa María early the next day. Around 12:00 UTC on June 14, the system re-strengthened and again attained its maximum sustained wind speed of 35 mph (55 km/h). Despite moving back over open waters, the depression failed to intensify further. Operationally, the system was thought to have made landfall in east-central Florida, but later analysis revealed that the center remained over water. The depression continued northward until striking near Charleston, South Carolina late on June 16, still with the same intensity. It degenerated into a remnant low pressure area about six hours later. Its remnants continued northeastward across the Southeastern United States, the Mid-Atlantic, and New England until dissipating fully on June 18.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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