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Tropical Depression One (1992)
Tropical Depression One in June 1992 produced 100-year floods in portions of southwestern Florida. The first tropical depression and second tropical cyclone of the 1992 Atlantic hurricane season, the depression developed on June 25 from a tropical wave. Located in an environment of strong wind shear, much of the convection in the system was located well to the southeast of the poorly defined center of circulation. The depression moved northeastward and made landfall near Tampa, Florida on June 26 shortly before dissipating over land.
The depression, in combination with an upper-level trough to its west, produced heavy rainfall to the east of its path, peaking at 33.43 inches (849 mm) in Cuba and 25 inches (635 mm) in Florida. In Cuba, the rainfall destroyed hundreds of homes and caused two fatalities. In Florida, particularly in Sarasota and Manatee counties, the rainfall caused severe flooding. 4,000 houses were affected, forcing thousands to evacuate. The flooding killed two in the state and was indirectly responsible for a traffic causality. Damage in Florida totaled over $2.6 million (1992 USD, $4 million 2009 USD).
== Meteorological history ==
A weak tropical wave moved off the coast of Africa on June 12. It tracked westward across the tropical Atlantic Ocean with minimal convection, and subsequent to moving through the southern Windward Islands it crossed northern Central America. Convection increased on June 20 as the wave entered the southwestern Caribbean. Under the influence of southeasterly flow from developing Hurricane Celia in the eastern Pacific Ocean and the south-southwesterly flow from a mid- to upper-level trough over the Gulf of Mexico, the area of disturbed weather tracked generally north-northwestward through the Caribbean Sea while spreading across Cuba and southern Florida. On June 24, a mid-level circulation developed near the Yucatán Channel, and shortly thereafter satellite image loops indicated deep convection with some cyclonic rotation near the western tip of Cuba. A reconnaissance aircraft flight was dispatched late on June 24 into the system to determine if it developed into a tropical cyclone, though the flight did not observe evidence of a closed low-level circulation. Subsequent to the flight, satellite imagery indicated a low-level circulation was forming, and on June 25 ship and buoy data confirmed the system developed into Tropical Depression One while located about 235 miles (375 km) west-southwest of Key West, Florida. Operationally, the National Hurricane Center incorrectly classified the system as Tropical Depression Two due to an earlier subtropical storm.
Upon becoming a tropical cyclone, the depression was poorly organized, with much of the convection located well to the southeast of the broad center due to strong upper-level wind shear. The shearing environment was caused by a trough in the Gulf of Mexico and from the outflow from Pacific Hurricane Celia.〔 This was reflected in forecasts, with the National Hurricane Center predicting no significant change in intensity or structure.〔 The depression moved northward before turning to the northeast,〔 and on June 26 the poorly organized system made landfall just north of Tampa, Florida. The low-level circulation dissipated while crossing the Florida peninsula, with the remnants continuing northeastward before being absorbed by a large extratropical cyclone over the western Atlantic.〔
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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