Hurricane Hortense was the first tropical cyclone to make landfall in Guadeloupe and Puerto Rico since Hurricane Hugo in 1989, and the second most intense hurricane during the 1996 Atlantic hurricane season. The eighth tropical cyclone, eighth named storm, and sixth hurricane of the season, Hortense developed on September 3 from a tropical wave in the central Atlantic Ocean. Initially a tropical depression, it headed westward without significant strengthening for four days due to unfavorable upper-level winds. While nearing the Lesser Antilles upper-level winds decreased, allowing the depression to become Tropical Storm Hortense on September 7. Hortense crossed Guadeloupe on September 8 and entered the Caribbean Sea. By the following day, it was upgraded to a hurricane while curving northwestward. Hortense made landfall in Puerto Rico on September 9 and brushed the Dominican Republic shortly thereafter. After re-entering the Atlantic, Hortense began to substantially strengthen and peaked as a 140 mph (220 km/h) Category 4 hurricane early on September 13. Thereafter, the storm steadily weakened as it tracked rapidly north-northeastward. Early on September 15, Hortense made landfall in Nova Scotia as a minimal Category 1 hurricane. It quickly weakened further to a tropical storm before re-entering the Atlantic to the south of Newfoundland. Late on September 15, Hortense transitioned into an extratropical cyclone and subsequently merged with a frontal system about 24 hours later.

The storm produced heavy rainfall and gusty winds as it passed through the Lesser Antilles. On Guadeloupe, damage was most significant to crops, with over 50% of banana plantains destroyed. Localized flooding was reported on Martinique. Impact was most significant in Puerto Rico. Across the island, 11,463 houses were severely damaged. About 1.4 million people on Puerto Rico were left without electricity – equivalent to about 40% of the island's population. Damage in Puerto Rico was estimated at $153.4 million (1996 USD). There were also 19 deaths, most of which due to drowning during flash floods. In the Dominican Republic, strong winds damaged a number of buildings and houses, and downed several power lines. Flooding also forced the closure of several roads and impacted 80% of crops in Samaná Province. At least three fatalities were confirmed in that country. The storm brought strong winds to the Bahamas and Turks and Caicos Islands, and lesser winds to Bermuda. Later in its duration, Hortense struck Nova Scotia, bringing heavy rainfall and hurricane-force winds to isolated locations. There were many power outages, trees blown down, roofs torn away, and roads damaged in the Province. New Brunswick, Newfoundland, and Prince Edward Island were also impacted, though not as severely as in Nova Scotia. Damage in Atlantic Canada reached approximately $3.64 million.

Meteorological history

A tropical wave and a broad low-pressure area associated with it exited the west coast of Africa near Dakar, Senegal on August 30. The low-pressure area, which had deepened to by August 31, moved south of Cape Verde. Although deep convection was minimal on satellite imagery, the system possessed a well-defined low- to mid-level circulation. After crossing several National Oceanic and Atmospheric Administration buoys early on September 3, it was determined that the system developed into Tropical Depression Eight at 1200 UTC on that same day, while located about halfway between Cape Verde and the Lesser Antilles. Under the influence of strong high pressure ridge, the depression tracked almost due westward, without significant intensification. Convection remained sporadic and disorganized, with a reconnaissance flight finding a board circulation and a few squall on September 6. While nearing the Leeward Islands, upper-level winds reduced to a favorable level, causing strengthening and allowing deep convection to increase. After two hours, Hortense emerged into the Mona Passage and brushed the eastern tip of Dominican Republic; Punta Cana near the eastern tip of the country reported the calm of the eye on September 10. Land interaction with Hispaniola weakened the storm slightly, though it would soon re-strengthen. The storm caused significant crop damage, destroying roughly over 50 percent of the banana plantain. Further south, heavy rains led to scattered flooding in Martinique, which inundated streets, while strong winds knocked down power lines. One man who attempted to drive across a flooded road was rescued from his vehicle seconds before it was swept away.

While Hortense passed south of Saint Croix, the storm produced sustained winds of at Henry E. Rohlsen Airport, with unofficial gusts to . Hortense dropped heavy rainfall that peaked at in Christiansted. The rains flooded low-lying areas of Frederiksted. On nearby Saint Thomas, the storm dropped of rainfall, with gusts reaching only .

While Hortense was near the eastern tip of the Dominican Republic, Punta Cana reported sustained winds of , which was the highest land wind report associated with the hurricane. Puerto Plata along the northern coast also reported hurricane-force winds. High winds destroyed a school and church, damaged several houses, and downed several power lines. Like its effects in Puerto Rico, Hortense dropped heavy rainfall in the Dominican Republic, peaking at in San Rafael del Yuma. While passing the region, the hurricane produced a storm surge. The combination of the surge and heavy rainfall produced flooding that closed roadways. Hortense damaged 80% of the crops in Samaná. In the country, the hurricane killed three people and left 21 missing.

In Nova Scotia, Hortense dropped heavy rainfall and caused strong winds, causing power outages, uprooted trees, and moderate structural damage amounting to $3 million (1996 USD). Rainfall was light on Prince Edward Island, with the highest observed being in Charlottetown. Strong winds were reported throughout the province. Gusts reached in Charlottetown and elsewhere. The winds downed power lines, leaving numerous residents without electricity, especially in Charlottetown, East Point, Montague, Murray River, Souris. Effects were almost nil in New Brunswick, limited to rainfall peaking at , though most of it was a storm system that preceded Hortense's passage. Sustained winds in the province were light, reaching about .

Aftermath

On September 11, President Bill Clinton declared a major disaster in 68 of the 78 municipalities of Puerto Rico; this allowed federal funding for debris removal, repairing public roads and buildings and assistance to individually affected residents.

Retirement

Because of the damage caused by the hurricane, particularly in Puerto Rico, the name Hortense was retired in the spring of 1997 by the World Meteorological Organization, and will not be used again for another North Atlantic tropical cyclone. It was replaced with Hanna for the 2002 season.

See also

  • List of Puerto Rico hurricanes
  • Hurricanes in Hispaniola

References

  • NHC Hortense Report
  • Stormcarib.com Hortense Information
  • Hurricane Hortense Info