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Tropical Depression Seven
Tropical depression
Formed July 31
Dissipated August 1
Highest winds 35 mph (55 km/h)
(1-min sustained)
Lowest pressure 1009 mb (29.80 inHg)
Damages $110 million (2015 USD)
Fatalities 0
Areas affected Barbados, St. Lucia, Martinique, Dominica, Antigua
Part of the
2039 Atlantic hurricane season

Tropical Depression Seven was a short-lasting tropical depression that moved over the Lesser Antilles during late-September and early-October 2039. On September 24, a tropical wave moved off the coast of west Africa. The wave continued westwards, before become a tropical depression on September 30. After crossing the Lesser Antilles, it rapidly dissipated.

Meteorological history

On September 24, a small area of thunderstorms moved off the coast of Senegal. The wave continued westward, and was first noted by the National Hurricane Center (NHC) on September 26, while located about 940 miles south-southwest of the Cape Verde Islands. Initially, the disturbance was given a 20%, or low, chance of developing into a tropical cyclone. This number gradually increased, and while the disturbance was located 250 miles east of St. Lucia, the NHC gave the low pressure area a 100% chance of developing into a tropical cyclone, meaning development is imminent. Thereafter, the NHC said that tropical depression Seven had formed 240 miles east of St. Lucia on September 30. The first forecast indicated slow strengthening into a tropical storm, or winds about 39 mph. While 70 miles north-northeast of Barbados, Seven was estimated to have attained peak intensity. Slow weakening occurred afterwards, and crossed in between Martinique and Dominica on October 1. Just hours later, the appearance of Tropical Depression Seven degraded, and was declared a remnant low later on October 1.

Preparations

Residents in Martinique, Dominica and St. Lucia prepared 'for the worst'. President of Martinique, Sir David Cameron, declared a state of emergency, saying that 'this tropical depression could bring unprecedented rainfall to the island'.

Impact

Heavy rain lashed Martinique and Dominica. Martinique Aimé Césaire International Airport recorded 12.98 inches of rainfall in 24 hours from the depression, reaching 5th on the list of wettest tropical cyclones in the islands. Dominica received about 8 inches of rain, which would make up to 3rd on the list of wettest tropical cyclones on that particular island. 627 houses were destroyed, 138 were injured. However, nobody died from this depression.

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