1917 Atlantic hurricane season

The 1917 Atlantic hurricane season featured nine known tropical cyclones, four of which became tropical storms. 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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Systems

Tropical Storm One

Historical weather maps indicated a trough east of the Windward Islands on July 6. Around 06:00 UTC, a tropical depression formed about southeast of Barbados. Moving west-northwestward, the depression crossed the Windward Islands and entered the Caribbean Sea early on July 7. Later that day, the system intensified into a tropical storm. After peaking with winds of 50 mph (85 km/h) on July 8, it began to weaken and fell to tropical depression intensity early on July 10. Early the next day, the depression struck Honduras, before briefly emerging into the Caribbean Sea. The system struck Belize around 06:00 UTC on July 12 and entered the Bay of Campeche about 24 hours later. At midday on July 14, the storm struck south of Tampico, Tamaulipas. In the city of Veracruz, of rain fell in a 24-hour period.

Hurricane Three

Weather maps indicated that an area of low pressure existed between the Lesser Antilles and Cape Verde on August 30. At 12:00 UTC that day, a tropical storm developed while located about northeast of Cayenne, French Guiana. In Jamaica, the hurricane caused significant damages to banana and coconut plantations. Communications from Holland Bay were disrupted when the station was demolished. The greatest damages were reported from the northern half of the island. On Cuba's Isla de la Juventud, strong winds destroyed well-constructed buildings in Nueva Gerona, devastating the town. Orchards and crops were destroyed on the Pinar del Río Province. In Louisiana and Mississippi, impact was generally limited to damaged crops and timber stands. Farther east in Mobile, Alabama, portions of roofs, trees, and other debris littered streets. Communications were severed in Pensacola, Florida. Several small watercraft washed ashore, and numerous wharves, docks, and boat storages suffered impact. Total damages were estimated near $170,000 in Pensacola area. Five deaths were reported in Florida, all of them in the city of Crestview.