1899 San Ciriaco hurricane
Hurricane San Ciriaco set many records on its path. Resulting in at least 3,369 deaths in Puerto Rico, the storm was the deadliest hurricane to hit the island and the strongest at the time, until the Hurricane San Felipe Segundo made landfall in 1928 as a Category 5 hurricane. It was also among the deadliest Atlantic hurricanes ever recorded.
1930 Dominican Republic hurricane
After passing over or near Dominica, the hurricane entered the Caribbean Sea with winds of , the equivalence of a Category 2 hurricane on the Saffir-Simpson hurricane scale. On September 2, the hurricane passed about 60 mi (95 km) southwest of Puerto Rico as it intensified into a major hurricane. Due to the storm's small size, winds on the island were below hurricane force. Continuing slowly west-northwestward, the hurricane continued to intensify as it approached the Dominican Republic. Captain Thomas Evans of the SS "Coamo" of the Porto Rico Line, its crew and passengers all survived being buffeted by the storm for seven hours and passing through the eye. He reported a barometric pressure of and a detailed description of its near capsizing off the coast of the Dominican Republic to "The New York Times" when they arrived in San Juan on September 4. The "New York Times" published the story on September 5 as "Steamer Outrides Storm's Full Fury: Caught in Vortex of Hurricane, Coamo Tilts Periously as Gail Strips Decks". A steamship just offshore recorded winds of , and also provided data to estimate the radius of maximum winds at 8 mi (13 km). At 1800 UTC on September 3, it made landfall near Santo Domingo, Dominican Republic with a minimum central pressure of . As it was still intensifying up until landfall, the peak winds were estimated at , although it is possible it attained Category 5 status. The worst of the hurricane occurred in a diameter of its landfall location.