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The 1929 Atlantic hurricane season was a near average season in terms of accumulated cyclone energy, but is among the least active Atlantic hurricane seasons on record in terms of storms forming, with only five tropical cyclones forming. Three of them intensified into a hurricane, with one strengthening further into a major hurricane (Category 3 or higher on the Saffir–Simpson scale). ACE is a metric used to express the energy used by a tropical cyclone during its lifetime. Therefore, a storm with a longer duration will have high values of ACE. It is only calculated at six-hour increments in which specific tropical and subtropical systems are either at or above sustained wind speeds of 39 mph (63 km/h), which is the threshold for tropical storm intensity. Thus, tropical depressions are not included here.
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Timeline
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Systems
Hurricane One
After barometric pressures in the western Gulf of Mexico had been low for several days, the steamship Chester O. Swain encountered a disturbance of "probably moderate intensity" offshore Texas on June 28. A tropical storm developed in the southwestern Gulf of Mexico on the previous day. The storm was abnormally small, having a diameter of only about .
Hurricane Two
The Great Bahamas Hurricane of 1929 <br />
The second storm of the season originated from a tropical wave that developed in the vicinity of Cape Verde on September 11. Within the city alone, 456 houses were destroyed, while an additional 640 houses suffered damage. On Abaco Islands, 19 homes were demolished. Throughout the Bahamas and the Florida Keys, numerous boats and vessels were ruined or damaged. At the latter, strong winds were observed, with a gust up to 150 mph (240 km/h) in Key Largo.