1924 Cuba hurricane
|Category 5 major hurricane (SSHWS/NWS)|
|Formed||October 14, 1924|
|Dissipated||October 23, 1924|
1-minute sustained: 165 mph (270 km/h) |
|Lowest pressure||910 mbar (hPa); 26.87 inHg|
|Fatalities||Around 90 total|
|Areas affected||Central America, Yucatán Peninsula, Cuba, Florida, The Bahamas|
|Part of the 1924 Atlantic hurricane season|
The 1924 Cuba hurricane is the earliest officially classified Category 5 Atlantic hurricane on the Saffir–Simpson scale, and one of two hurricanes to make landfall on Cuba at Category 5 intensity, the other being Hurricane Irma in 2017 – both are also tied for the most intense Cuban landfall in terms of maximum sustained winds. It formed on October 14 in the western Caribbean, slowly organizing as it tracked northwestward. By October 16, it attained hurricane status to the east of the Yucatán Peninsula, and subsequently executed a small counterclockwise loop. On October 18, the hurricane began undergoing rapid deepening, and the next day it reached an estimated peak intensity of 165 mph (270 km/h). Shortly thereafter, it struck extreme western Cuba at peak intensity, becoming the strongest hurricane on record to hit the country. Later the hurricane weakened greatly, striking southwestern Florida with winds of 90 mph (150 km/h) in a sparsely populated region. While crossing the state it weakened to tropical storm status, and after accelerating east-northeastward, it was absorbed by a cold front on October 23 south of Bermuda.
Across the western Caribbean Sea, the developing storm produced heavy rainfall and increased winds. Strong winds in western Cuba caused severe damage, with two small towns nearly destroyed. About 90 people were killed in the country, all in Pinar del Río Province. Later, the hurricane brought heavy rainfall to southern Florida, which caused flooding and crop damage. Damage was light in the state, and there were no casualties.
On October 14, a tropical depression was first observed over the western Caribbean Sea, just off the eastern Honduras coast. It was a large and weak tropical cyclone, moving slowly northwestward and gradually intensifying. On October 15, it is estimated the depression attained tropical storm status, and its strengthening became more steady. The next day, the storm reached hurricane status about 130 mi (215 km) southeast of Cozumel, Quintana Roo. Around that time, it began to execute a small counterclockwise loop off the east coast of the Yucatán Peninsula. By October 18 the hurricane completed the loop, during which its winds increased to 115 mph (185 km/h); this is the equivalence of a major hurricane, or a Category 3 on the Saffir–Simpson Hurricane Scale. The estimation of its strength at this point was based on subsequent analysis of peripheral recordings of atmospheric pressure and maximum sustained winds by ships and land stations.
Beginning late on October 18 as it tracked north-northeastward toward Cuba, the hurricane underwent rapid deepening, evidenced by a ship wind report of 120 mph (193 km/h). This wind report was initially thought to be the peak intensity of the cyclone; however, subsequent research confirmed further deepening, based on very low pressures recorded across the region. A ship in the radius of maximum winds reported a reading of 922 mbar; the barometer on the ship was found to be 5 mbar too high, resulting in a pressure of 917 mbar. Additionally, a station on land reported a pressure of 932 mbar (27.52 inHg). Based on the readings, the Hurricane Research Division estimated the hurricane attained a minimum central pressure of 910 mbar very near the western coast of Cuba; this suggested peak winds of 165 mph (270 km/h). Late on October 19, the hurricane made landfall in extreme western Cuba in Pinar del Río Province. José Carlos Millás, director of the National Observatory at Havana, believed that "this hurricane [was] one of the most severe ever experienced in our latitudes."
After exiting Cuba into the Gulf of Mexico, the hurricane weakened greatly. On October 20 it passed a short distance west of Key West, Florida, and very early on October 21 the hurricane moved over Marco Island with winds of 90 mph (150 km/h). The cyclone weakened further as it turned eastward through the state, deteriorating to tropical storm status as it passed near or over Miami. It accelerated east-northeastward, moving over the Abaco Islands in The Bahamas. Gradually weakening, the storm interacted with an approaching cold front; late on October 23 it transitioned into an extratropical cyclone, and shortly thereafter it was absorbed by the front.
Impact and records
As a developing tropical cyclone, the storm produced increased winds and lower pressures in the Swan Islands, off the coast of Honduras. Heavy rainfall occurred throughout Jamaica, causing street flooding and several mudslides, but little damage. No disruptions were reported to communications or railway travel. The storm brushed eastern Belize while located off the coast, producing 3.62 inches (21.9 mm) of rainfall and light winds.
In extreme western Cuba, damage was very severe from the strong winds, likened to the impact of a tornado. Severe damage was reported in Los Arroyos and Arroyos de Mantua. In the latter location, around a dozen people were killed, 50 were injured, and nearly every building in the town was severely damaged; heavy losses also occurred to the tobacco crop. Across western Pinar del Río Province, the hurricane destroyed all communication links. Further from the center, the capital city of Havana recorded southerly winds of 72 mph (116 km/h), as well as a minimum pressure of about 999 mbar (29.50 inHg). Around the country, the hurricane capsized several ships, primarily fishing vessels. The death toll in the country was estimated at around 90. In the days after the storm, Cuban President Zayas authorized about $30,000 in relief aid to send to hurricane victims in Pinar del Río.
Several days prior to striking Florida, the outer circulation began producing rainfall across the state. Storm warnings were issued along the east and west coastlines northward to Cedar Key and Titusville. Later, hurricane warnings were issued for much of the same area, and schools in the Tampa area were closed as the storm was expected to move ashore. The hurricane first affected Florida when it passed west of Key West, where sustained winds of 66 mph (107 km/h), along with gusts to 74 mph (120 km/h), were reported. Little damage occurred in the region, limited to downed trees; this was due to advance warning by the U.S. Weather Bureau, which advised ships to remain at port and for residents to secure property. Later, the hurricane moved ashore in a sparsely populated region of southwestern Florida. Damage was reported in Fort Myers and Punta Gorda and communications were temporarily cut, although no deaths were reported. Heavy rainfall was reported along its path, and one location accumulated 23.22 inches (590 mm) in a 24‑hour period; this established a new one-day rainfall record in the state. A station in Miami recorded 12.18 inches (309 mm), and wind gusts in the area approached hurricane force. The combination of winds and rain damaged 5% of the local citrus and avocado crop. The rainfall flooded streets, homes, and commercial buildings in the Miami area, and hundreds of people were left without telephone access. No impact was reported in the Bahamas.
After a reanalysis of hurricanes between 1921 and 1925, the National Hurricane Centers Atlantic reanalysis project determined this hurricane attained winds of 165 mph (270 km/h), making it a Category 5 on the Saffir–Simpson Hurricane Scale. The hurricane is the earliest known to have attained the intensity, besting the 1928 Okeechobee hurricane, which was previously thought to be the earliest storm of this intensity. It is also one of only two on record to make landfall in Cuba at Category 5 status, with the other being Hurricane Irma of 2017, which also made landfall with maximum sustained winds of 165 mph (270 km/h). A hurricane in 1846 that hit the country was also thought to have struck at Category 5 status, although the storm existed prior to the start of the Atlantic hurricane database. When the steamship "Toledo" recorded an atmospheric pressure of 922 mbar (27.22 inHg) in the storm, it was the lowest pressure recorded in an Atlantic hurricane, breaking the previous record of 924 mbar (27.28 inHg) in the Atlantic hurricane of 1853. The record during this storm lasted until the 1932 Cuba hurricane, when a pressure of 915 mbar (27.02 inHg) was reported. The reading of 932 mbar (27.52 inHg) at Los Arroyos in Mantua, Pinar del Río remains the lowest pressure recorded on land in Cuba.
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