2004 natural disasters

The 2004 Boscastle flood occurred on Monday 16 August 2004 in the two villages of Boscastle and Crackington Haven in Cornwall, England, United Kingdom. The villages suffered extensive damage after flash floods caused by an exceptional amount of rain that fell over eight hours that afternoon. The flood in Boscastle was filmed and extensively reported, but the floods in Crackington Haven and Rocky Valley were not mentioned beyond the local news. The floods were the worst in local memory. A study commissioned by the Environment Agency from hydraulics consulting firm HR Wallingford concluded that it was among the most extreme ever experienced in Britain. The peak flow was about 140 m/s, between 5:00 pm and 6:00 pm BST. The annual chance of this (or a greater) flood in any one year is about 1 in 400. The probability each year of the heaviest three-hour rainfall is about 1 in 1300 (although rainfall probability is not the same as flood probability). At midday on 16 August 2004, heavy thundery showers had developed across the South West due to a weak disturbance to the northeast of the United Kingdom.

Hurricane Ivan was a large, long-lived, and devastating tropical cyclone that caused widespread damage in the Caribbean and United States. The ninth named storm, the sixth hurricane, and the fourth major hurricane of the active 2004 Atlantic hurricane season, Ivan formed in early September and reached Category 5 strength on the Saffir–Simpson Hurricane Scale (SSHS). Ivan caused catastrophic damage in Grenada as a strong Category 3 storm, heavy damage in Jamaica as a strong Category 4 storm, and then severe damage in Grand Cayman, Cayman Islands, and the western tip of Cuba as a Category 5 hurricane. After peaking in strength, the hurricane moved north-northwest across the Gulf of Mexico to strike Pensacola/Milton, Florida and Alabama as a strong Category 3 storm, causing significant damage. Ivan dropped heavy rain on the Southeastern United States as it progressed northeastward and eastward through the Eastern United States, becoming an extratropical cyclone on September 18. The remnant low of the storm moved into the western subtropical Atlantic and regenerated into a tropical cyclone on September 22, which then moved across Florida and the Gulf of Mexico, and then into Louisiana and Texas, causing minimal damage. Ivan degenerated into a remnant low on September 24, before dissipating on the next day.

Hurricane Frances was the second most intense tropical cyclone in the Atlantic during 2004 and proved to be very destructive in Florida. It was the sixth named storm, the fourth hurricane, and the third major hurricane of the 2004 Atlantic hurricane season. The system crossed the open Atlantic in late August, moving to the north of the Lesser Antilles while strengthening. Its outer bands struck Puerto Rico and the British Virgin Islands while passing north of the Caribbean Sea. The storm's maximum sustained winds peaked at 145 mph (233 km/h), achieving Category 4 on the Saffir-Simpson Hurricane Scale. As the system's forward motion slowed, the eye passed over San Salvador Island and very close to Cat Island in the Bahamas. Frances was the first hurricane to impact the entire Bahamian archipelago since 1928 and almost completely destroyed their agricultural economy.

Hurricane Ivan was a large, long-lived, and devastating tropical cyclone that caused widespread damage in the Caribbean and United States. The ninth named storm, the sixth hurricane, and the fourth major hurricane of the active 2004 Atlantic hurricane season, Ivan formed in early September and reached Category 5 strength on the Saffir–Simpson Hurricane Scale (SSHS). Ivan caused catastrophic damage in Grenada as a strong Category 3 storm, heavy damage in Jamaica as a strong Category 4 storm, and then severe damage in Grand Cayman, Cayman Islands, and the western tip of Cuba as a Category 5 hurricane. After peaking in strength, the hurricane moved north-northwest across the Gulf of Mexico to strike Pensacola/Milton, Florida and Alabama as a strong Category 3 storm, causing significant damage. Ivan dropped heavy rain on the Southeastern United States as it progressed northeastward and eastward through the Eastern United States, becoming an extratropical cyclone on September 18. The remnant low of the storm moved into the western subtropical Atlantic and regenerated into a tropical cyclone on September 22, which then moved across Florida and the Gulf of Mexico, and then into Louisiana and Texas, causing minimal damage. Ivan degenerated into a remnant low on September 24, before dissipating on the next day.

Hurricane Ivan was a large, long-lived, and devastating tropical cyclone that caused widespread damage in the Caribbean and United States. The ninth named storm, the sixth hurricane, and the fourth major hurricane of the active 2004 Atlantic hurricane season, Ivan formed in early September and reached Category 5 strength on the Saffir–Simpson Hurricane Scale (SSHS). Ivan caused catastrophic damage in Grenada as a strong Category 3 storm, heavy damage in Jamaica as a strong Category 4 storm, and then severe damage in Grand Cayman, Cayman Islands, and the western tip of Cuba as a Category 5 hurricane. After peaking in strength, the hurricane moved north-northwest across the Gulf of Mexico to strike Pensacola/Milton, Florida and Alabama as a strong Category 3 storm, causing significant damage. Ivan dropped heavy rain on the Southeastern United States as it progressed northeastward and eastward through the Eastern United States, becoming an extratropical cyclone on September 18. The remnant low of the storm moved into the western subtropical Atlantic and regenerated into a tropical cyclone on September 22, which then moved across Florida and the Gulf of Mexico, and then into Louisiana and Texas, causing minimal damage. Ivan degenerated into a remnant low on September 24, before dissipating on the next day.

The May 2004 Caribbean floods were a flood event that affected the Caribbean Islands and Hispaniola from May 18, 2004, to May 25, 2004. Moving quickly from Central America, a low-pressure area brought heavy rainfall and thunderstorms to Cuba, Jamaica, Haiti, and the Dominican Republic resulting in rainfall amounts exceeding 500 mm (19.7 inches) within a 7-day period. Cities in flood-plain areas like Mapou, Haiti, and Jimani, of the Dominican Republic, experienced over 250 mm (10 inches) of rain between May 24 and 25, causing the Solie River to overflow, resulting in devastating environmental and infrastructure damage. With hundreds dead and thousands more displaced in Mapou and Jimani, the death toll was at its highest in decades, partly because of deforestation. Steep valley ridges and barren hillsides channeled rainwater towards valleys, creating landslides that overwhelmed and flooded cities particularly in high-poverty areas where buildings were wooden or makeshift temporary homes. In addition, inhabitants residing on these flood plains were subject to increased risk from water-borne diseases due to inadequate waste removal management and contaminated water supply due to excessive debris caused by flooding.