Meteorological history of Hurricane Maria

Hurricane Maria
Track of Hurricane Maria
Meteorological history
FormedSeptember 16, 2017
ExtratropicalSeptember 30
DissipatedOctober 2, 2017
Category 5 major hurricane
1-minute sustained (SSHWS/NWS)
Highest winds175 mph (280 km/h)
Lowest pressure908 mbar (hPa); 26.81 inHg
Overall effects
Areas affectedDominica, St. Croix, Puerto Rico, Hispaniola, The Bahamas, East Coast of the United States

Part of the 2017 Atlantic hurricane season
History
 • Meteorological history

Effects
Lesser Antilles
 • Dominica
U.S territory
 • Puerto Rico
 • Death toll controversy

Other wikis
 • Commons: Maria images

Hurricane Maria was the tenth-most intense Atlantic hurricane on record and caused catastrophic damage in Puerto Rico in late September 2017. Originating from a tropical wave, it developed into a tropical depression on September 16 while situated to the east of the Lesser Antilles. Gradual intensification occurred over the next day or two and it strengthened into a tropical storm, which was named Maria. By late on September 17, Maria had intensified into a hurricane. As it approached the island arc, it underwent explosive intensification on September 18, with the hurricane reaching Category 5 intensity as it made landfall on the island of Dominica early on September 19. Land interaction weakened the storm somewhat, although it was able to quickly recover and later peaked that night with sustained winds of 175 mph (280 km/h) and a pressure of 908 mbar (26.8 inHg). Early the next morning it weakened to a high-end Category 4 hurricane before making landfall in Puerto Rico. Maria weakened significantly due to crossing the island, but was able to strengthen somewhat as it passed close to Hispaniola and The Bahamas on September 21–23. Structural changes in the hurricane as it moved further north and close to the Outer Banks in the United States ultimately caused Maria to weaken quickly. Turning away from the United States as a weakened tropical storm, it became extratropical on September 30, dissipating 3 days later.

The hurricane caused catastrophic damage across its path in the Caribbean, with 3,057 killed and around $91.6 billion (2017 USD) in damages, making it the third-costliest Atlantic hurricane on record. The islands of Dominica and Puerto Rico experienced the worst impacts of Maria, which was the most intense storm to strike the former, and the worst storm to strike the latter since the 1928 San Felipe Segundo hurricane.


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