The warning reports ongoing or expected flooding in Naguabo, Puerto Rico, and numerous roads closed due to flooding. It is in effect until 10:00 PM AST.
The National Weather Service in San Juan issued a flash flood warning for northern Carolina, northern Guaynabo, San Juan, and Trujillo Alto, Puerto Rico, until 4:15 PM AST. Radar indicated heavy rain, with flash flooding ongoing or expected shortly.
A flood warning was issued for parts of Humacao and Naguabo, Puerto Rico, and flooding was already occurring near Río Blanco. The alert reported potentially impassable roads and remained in effect until 4:15 PM AST.