page_title: 1928 Okeechobee hurricane
section_title: Puerto Rico
hierarchical_section_title: 1928 Okeechobee hurricane / Effects / Puerto Rico
caption_attribution_description: English: Hurricane winds drive a 10-foot 2X4 through a palm tree in Puerto Rico
context_page_description: The Okeechobee hurricane of 1928, also known as the San Felipe Segundo hurricane, was one of the deadliest hurricanes in the recorded history of the North Atlantic basin, and the second deadliest hurricane in the United States, only behind the 1900 Galveston hurricane. The hurricane killed an estimated 2,500 people in the United States; most of the fatalities occurred in the state of Florida, particularly in Lake Okeechobee. It was the fourth tropical cyclone, third hurricane, and only major hurricane of the year's hurricane season. It developed off the west coast of Africa on September 6 as a tropical depression, but it strengthened into a tropical storm later that day, shortly before passing south of the Cape Verde islands. Further intensification was slow and halted late on September 7. About 48 hours later, the storm strengthened and became a Category 1 hurricane on the Saffir–Simpson hurricane wind scale. Still moving westward, the system reached Category 4 intensity before striking Guadeloupe on September 12, where it brought great destruction and resulted in 1,200 deaths.
context_section_description: While the storm was passing near Dominica, the San Juan, Puerto Rico Weather Bureau warned about the threat of the hurricane which would strike the island within a day or two. The advisory was sent via telegraph to 75 police districts and was broadcast from the naval radio station every two hours; this was the first hurricane warning broadcast by radio. Warnings were also posted for 12 ports along the southern coast, causing ships to avoid the island or remain at port. Effective preparation is credited for the relatively low death toll of 312, and not a single ship was lost at sea in the vicinity of Puerto Rico. By comparison, the weaker 1899 San Ciriaco hurricane killed approximately 3,000 people.
  According to the San Juan National Weather Service office, the storm was "up to this time the greatest and more  [sic] intense and destructive hurricane of record in Puerto Rico." Along the storm path, the eye passed over Guayama, Cayey, and Aibonito, resulting in a period of calm lasting 20 minutes. The island of Puerto Rico received the worst of the storm's winds when the hurricane moved directly across the island at Category 5 strength. The hurricane was extremely large as it crossed Puerto Rico. Hurricane-force winds were measured in Guayama for 18 hours; since the storm is estimated to have been moving at 13 mph (21 km/h), the diameter of the storm's hurricane winds was estimated very roughly to be 234 mi (377 km).
  The rainfall recorded on September 13–14, 1928, remains the record for the maximum rainfall associated with a hurricane in Puerto Rico within a period of forty-eight hours. In those regions where precipitation is more common place, as in Adjuntas in the Cordillera Central and in the Sierra de Luquillo, the rain was over 25 inches (640 mm), with 29.60 in (752 mm) recorded in Adjuntas. The anemometer located in Puerta de Tierra lost one of its cups at 11:44 am on September 13, just when it had registered a maximum speed of 150 mph (240 km/h) —a speed that was sustained for five consecutive minutes. Previously the same instrument had measured 160 mph (260 km/h) for one minute. Because these measurements were taken 30 mi (48 km) from San Felipe's eye, at the time, it seemed possible that some estimates of 200 mi (320 km) per hour near the center of the storm were not overdrawn.
  There was general destruction through the island, with the towns where the eye passed being swept away. Property damage on the island from winds and rain was catastrophic. The northeast portion of the island received winds in excess of Category 3 strength, with hurricane-force winds lasting as long as 18 hours. Official reports stated "several hundred thousand" people were left homeless, and property damages were estimated at $50 million.
  On the island there was no building that was not affected. Some sugar mills ("Centrales") that had cost millions of dollars to build were reduced to rubble. Reports say that 24,728 homes were destroyed and 192,444 were partially destroyed.  Most of the sugarcane fields were flooded, ruining the year's crops. Half of the coffee plants and half of the shade trees that covered these were destroyed; almost all of the coffee harvest was lost. The coffee industry would take years to recover since coffee needs shade trees to grow. The tobacco farms also had great losses. After this hurricane, Puerto Rico never regained its position as a major coffee exporter.
  Communications were disrupted by fallen trees, landslides, and damaged bridges. Some 770 school buildings were destroyed or damaged. According to some estimates of the day, excluding personal losses, the damages reached $85.312 million and more than 500,000 people were left homeless. Until Hurricane Maria 89 years later, San Felipe II was officially classified as Puerto Rico's biggest, worst, and most devastating hurricane to ever have hit the island.
caption: Hurricane-force winds drove this 10-foot (3 m) piece of 2x4 lumber through a palm tree in Puerto Rico.
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