Tomas impacted the CDEMA Participating States of Trinidad and Tobago, Grenada, Barbados, Saint Lucia and St. Vincent and the Grenadines between October 29 and 31, 2010 and caused significant losses and damage to Saint Lucia and St. Vincent and the Grenadines. Excessive rainfall and high winds have resulted in damage to the housing stock, agriculture sector, road infrastructure, downed power lines and disruption to the utilities sector.
The areas severely affected in St. Vincent and the Grenadines are Park Hill, Chester Cottage, Sandy Bay and Byera on the Windward side of mainland St. Vincent and Chateaubelair, Coulls Hill, Spring Village and Fitz Hughes on the north western side of the island.
Saint Lucia has been severely impacted island wide however, based on aerial reconnaissance, the district of Soufriere appears to be the most affected by Hurricane Tomas with major landslides. The area remains cut off from the neighbouring communities of Choiseul and Canaries.
A national disaster has been declared in Saint Lucia and disaster areas have been declared in Saint Vincent and the Grenadines from Park Hill to Sandy Bay on the Windward side and Belle Isle to Fitz Hughes on the north western side of the island.