On 14 August at 0900 UTC, the NHC reported that Tropical Depression Seven was upgraded to Tropical Storm
Grace, at first characterized as a small tropical storm. At 1500 UTC it became stronger and produced tropical-storm-force winds which extended outward up to 35 miles (55 km) from the centre. This configuration resulted in stormy weather with heavy rainfall which spread across the Lesser Antilles, affecting Saint Kitts and Nevis and Montserrat.