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| Hurricane Tomas (2010) | |
|---|---|
| Name | Hurricane Tomas |
| Year | 2010 |
| Basin | Atlantic |
| Formed | October 29, 2010 |
| Dissipated | November 7, 2010 |
| 1-minute winds | 70 |
| Pressure | 982 |
| Areas | Lesser Antilles, Windward Islands, Trinidad and Tobago, Barbados, Saint Vincent and the Grenadines, Grenada, Haiti, Cuba |
| Fatalities | 44 direct, 3 indirect |
| Damage | $516000000 |
Hurricane Tomas (2010) was a late-season tropical cyclone in the 2010 Atlantic hurricane season that affected the Caribbean Sea and parts of the Greater Antilles during late October and early November 2010. The system fluctuated between tropical depression and tropical storm status before intensifying into a Category 1 hurricane on the Saffir–Simpson scale, producing heavy rainfall, flooding, and landslides across multiple island nations. Tomas's passage prompted emergency responses from regional organizations and international actors, and its impacts contributed to subsequent humanitarian and disaster-management efforts.
The tropical wave that led to the cyclone moved off the west coast of Africa and traversed the Atlantic Ocean near the Cape Verde Islands before developing into a surface low associated with disturbed weather near the Leeward Islands, the North Atlantic Ocean, and the Caribbean Sea. Favorable upper-level outflow impacted convective organization as the system consolidated into a tropical depression and later strengthened to a tropical storm while interacting with the Intertropical Convergence Zone, the Madden–Julian Oscillation, and a nearby mid-level trough, producing fluctuating intensity near Barbados, Saint Lucia, and Trinidad and Tobago. Increased vertical wind shear from a cold front and entrainment of dry air from the Sahara Desert initially weakened the cyclone, but a transient reduction in shear and a pool of warm sea-surface temperatures linked to the Atlantic Multidecadal Oscillation allowed intensification to Category 1 hurricane status with peak winds analyzed by the National Hurricane Center and corroborated by satellite imagery and reconnaissance aircraft observations near Saint Vincent and the Grenadines and Grenada. Tomas exhibited an erratic track influenced by a subtropical ridge related to the Bermuda High and later accelerated northeastward ahead of a mid-latitude trough toward Cuba and the southeastern Bahamas before degenerating over cooler waters and becoming post-tropical.
Governments and agencies across the Lesser Antilles and the Greater Antilles issued a sequence of tropical storm warnings, hurricane watches, and emergency declarations involving institutions such as the Organisation of Eastern Caribbean States, the Caribbean Disaster Emergency Management Agency, and national disaster offices in Barbados, Saint Vincent and the Grenadines, St. Lucia, Trinidad and Tobago, and Haiti. Regional airlines such as LIAT and American Airlines adjusted schedules while maritime operations coordinated with port authorities in Castries and Kingstown, and humanitarian organizations including Pan American Health Organization, United Nations Office for the Coordination of Humanitarian Affairs, and International Federation of Red Cross and Red Crescent Societies pre-positioned supplies. Evacuation orders affected communities near rivers and slopes in Grenada and Saint Vincent, schools and public buildings were converted to shelters following advisories from the World Meteorological Organization and the National Hurricane Center, and neighboring countries such as Barbados and Jamaica readied search-and-rescue teams and military logistics assets.
The cyclone produced torrential rainfall that triggered catastrophic flooding and landslides across parts of the Windward Islands, causing infrastructure damage to roads, bridges, and housing in Saint Vincent and the Grenadines, Grenada, and St. Lucia, with significant agricultural losses affecting banana and arrowroot production tied to local economies. Casualties occurred in multiple jurisdictions, including fatalities on St. Lucia and Haiti, while coastal impacts from storm surge and high waves affected fishing communities in Trinidad and Tobago and Barbados. In Haiti, where the nation was recovering from the 2010 Haiti earthquake, Tomas exacerbated humanitarian conditions by flooding camps for displaced persons, straining operations by United Nations Stabilization Mission in Haiti and non-governmental organizations such as Médecins Sans Frontières and Oxfam. Damage estimates were consolidated by regional authorities and international donors, with reported economic losses concentrated in tourism infrastructure in Saint Lucia and agricultural sectors in Grenada and Saint Vincent and the Grenadines.
Post-storm relief involved fast-response teams from the Caribbean Disaster Emergency Management Agency, contributions from bilateral partners including United States Agency for International Development and Canada, and deployment of emergency medical and engineering units from organizations like Pan American Health Organization and World Food Programme to restore water, sanitation, and shelter in affected areas. Reconstruction efforts prioritized repair of critical roads and bridges funded by multilateral institutions such as the Inter-American Development Bank and World Bank, while regional insurance mechanisms and catastrophe risk pools coordinated payouts to support recovery of agriculture and small businesses. Public health campaigns led by Ministries of Health and international partners addressed vector control and diarrheal disease risks exacerbated by standing water, and longer-term resilience initiatives referenced frameworks from the Caribbean Catastrophe Risk Insurance Facility and climate adaptation guidance from the United Nations Framework Convention on Climate Change.
The storm formed near the end of the 2010 Atlantic hurricane season, adding to a season that included other notable systems like Hurricane Igor (2010), Hurricane Earl (2010), and Hurricane Karl (2010). In operational communications, the National Hurricane Center assigned the name from the 2010 list maintained by the World Meteorological Organization, and post-season analyses by the National Hurricane Center and National Oceanic and Atmospheric Administration refined best-track data, peak intensity, and pressure estimates based on aircraft reconnaissance, surface observations, and satellite remote sensing.
Following the storm's societal and economic impacts—particularly on Saint Vincent and the Grenadines and St. Lucia—the World Meteorological Organization committee responsible for naming Atlantic tropical cyclones retired the name at a session considering storm impacts and fatalities, replacing it on subsequent lists. The event influenced regional disaster preparedness discourse among the Organisation of Eastern Caribbean States, accelerated investments in early-warning systems supported by the Caribbean Development Bank and United Nations Development Programme, and remains cited in studies on compound disasters and climate vulnerability affecting small island developing states such as Grenada and Barbados.
Category:2010 Atlantic hurricane season Category:Atlantic hurricanes