Flash Flood Warning

Locations Affected

Toa Baja, PR ∙ Guaynabo, PR ∙ Bayamón, PR ∙ Sabana Seca, PR ∙ Toa Alta, PR

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Juan PR 425 PM AST Fri Apr 17 2026 The National Weather Service in San Juan has issued a * Flash Flood Warning for... Northern Bayamon in Puerto Rico... Extreme Southwestern Catano in Puerto Rico... Eastern Dorado in Puerto Rico... Northern Guaynabo in Puerto Rico... Northeastern Toa Baja in Puerto Rico... Toa Baja in Puerto Rico... * Until 700 PM AST. * At 425 PM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 1.5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && LAT...LON 1848 6625 1841 6610 1840 6610 1840 6611 1839 6611 1838 6610 1838 6609 1837 6609 1836 6609 1836 6610 1834 6610 1833 6609 1833 6613 1839 6628 FLASH FLOOD...RADAR INDICATED

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