1899 San Ciriaco hurricane
The hurricane weakened slightly while moving west-northward across the Caribbean Sea and made landfall in Guayama, Puerto Rico late on August 8 with winds of 140 mph (220 km/h). August 8 was the namesday of Saint Cyriacus, hence the hurricane's nickname. Several weather stations across the island reported low barometric pressures, with a reading as low as in Guayama. Wind shifts were also experienced across the island, primarily in the south and the west. The storm crossed Puerto Rico in approximately six hours and emerged into the Atlantic Ocean late on August 8, while weakening to a Category 3 hurricane, with winds decreasing to 120 mph (195 km/h). The hurricane would maintain this intensity for more than nine days. Continuing west-northward, the hurricane brushed the north coast of Dominican Republic on August 9. Thereafter, the system moved slowly northwestward through the Bahamas, striking Inagua on August 10 and Andros Island on August 12. According to telephone and telegraph reports from the Weather Bureau, the storm was predicted to make landfall in Florida.
1964 Atlantic hurricane season
Cleo emerged into the Gulf of Guacanayabo, before striking Sancti Spíritus Province as a minimal hurricane early on August 26. Several hours later, the hurricane emerged into the Atlantic Ocean and began re-strengthening while moving northward, becoming a Category 2 hurricane early the next day. Around 06:00 UTC on August 27, Cleo made landfall on Key Biscayne, Florida, with winds of . The system quickly weakened inland, falling to tropical storm intensity early the following day. However, Cleo did not deteriorate to a tropical depression until on August 29. Thereafter, the cyclone meandered slowly across The Carolinas and Virginia, but did not dissipate. Cleo instead re-intensified into a tropical storm while re-entering the Atlantic near Norfolk, Virginia, on September 1. It moved east-northeastward and became a hurricane again about 24 hours later. By early on September 4, the cyclone accelerated and curved north-northeastward. Cleo weakened to a tropical storm on September 5 and soon became extratropical while located about east-northeast of Cartwright, Newfoundland and Labrador.