Late on August 23, the remnants of Harvey regenerated into a tropical cyclone and re-attained tropical storm intensity by 18:00 UTC. Hurricane Harvey as seen by NASA aboard the International Space Station on August 25. The system reached the Bay of Campeche in the Gulf of Mexico on August 23 and soon consolidated around a new surface low. Though it lacked an organized surface low, the remnants of Harvey continued to produce significant convection as it traversed the Caribbean Sea and Yucatán Peninsula. Hostile environmental conditions, namely wind shear, imparted weakening and caused Harvey to degenerate into a tropical wave by August 19. Vincent on August 18 before entering the Caribbean. With maximum sustained winds of 45 mph (70 km/h), Harvey made landfalls in Barbados and St.
Maintaining its brisk westward motion, the system strengthened slightly and became a tropical storm later that day, at which time it was assigned the name Harvey. A surface circulation slowly developed and convection consolidated around the low over the subsequent days the system became a tropical depression on August 17, roughly 505 mi (815 km) east of Barbados. Hurricane Harvey originated from a westward-moving tropical wave that emerged from Africa over the eastern Atlantic Ocean, on August 12. Įxtratropical cyclone / Remnant low / Tropical disturbance / Monsoon depression It was replaced with "Harold" for the 2023 hurricane season. Due to the extensive damage, the name "Harvey" was retired in April 2018 and will not be used for another Atlantic tropical cyclone. In addition to the huge cost and extent of the damage it caused, Harvey caused at least 107 confirmed deaths: 1 in Guyana and 106 in the United States, the first one in Rockport, Texas.
As Harvey drifted inland, it quickly weakened again as it became extratropical on September 1, before dissipating two days later. On August 28, the storm emerged back over the Gulf of Mexico, strengthening slightly before making a fifth and final landfall in Louisiana on August 29. Rapid weakening then ensued, and Harvey had downgraded to a tropical storm as it stalled near the coastline, dropping torrential and unprecedented amounts of rainfall over Texas. Hours later, Harvey made landfall at San José Island, Texas, at peak intensity, followed by another landfall at Holiday Beach at Category 3 intensity. While the storm moved generally northwest, Harvey's intensification phase stalled slightly overnight from August 24–25 however, Harvey soon resumed strengthening and quickly became a major hurricane, attaining Category 4 intensity later that day with peak 1-minute sustained winds of 130 mph. Harvey then began to rapidly intensify on August 24, regaining tropical storm status and becoming a hurricane later that day.
The remnants were monitored for regeneration as it continued west-northwestward across the Caribbean and the Yucatán Peninsula, before redeveloping over the Bay of Campeche on August 23. Upon entering the Caribbean, Harvey began to weaken due to moderate wind shear, and degenerated into a tropical wave north of Colombia, late on August 19. The storm crossed through the Windward Islands on the following day, making landfall on the southern end of Barbados and a second landfall on Saint Vincent. The eighth named storm, third hurricane, and first major hurricane of the extremely active 2017 Atlantic hurricane season, Harvey developed from a tropical wave to the east of the Lesser Antilles, reaching tropical storm status on August 17. The resulting floods inundated hundreds of thousands of homes, which displaced more than 30,000 people and prompted more than 17,000 rescues. With peak accumulations of 60.58 in (1,539 mm), in Nederland, Texas, Harvey was the wettest tropical cyclone on record in the United States. In a four-day period, many areas received more than 40 inches (1,000 mm) of rain as the system slowly meandered over eastern Texas and adjacent waters, causing unprecedented flooding. It was the first major hurricane to make landfall in the United States since Wilma in 2005, ending a record 12-year span in which no hurricanes made landfall at the intensity of a major hurricane throughout the country. It is tied with 2005's Hurricane Katrina as the costliest tropical cyclone on record, inflicting $125 billion (2017 USD) in damage, primarily from catastrophic rainfall-triggered flooding in the Houston metropolitan area and Southeast Texas this made the storm the costliest natural disaster recorded in Texas at the time. Hurricane Harvey was a devastating Category 4 hurricane that made landfall on Texas and Louisiana in August 2017, causing catastrophic flooding and more than 100 deaths.
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