


Flash Flood Warning
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
497 WGCA52 TJSJ 171549 FFWSJU PRC021-033-047-051-105-135-137-171900- /O.NEW.TJSJ.FF.W.0077.250817T1549Z-250817T1900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Juan PR 1149 AM AST Sun Aug 17 2025 The National Weather Service in San Juan has issued a * Flash Flood Warning for... Bayamon, Catano, Corozal, Dorado, Naranjito, Toa Alta, and Toa Baja... * Until 300 PM AST. * At 1149 AM AST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 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...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 1848 6618 1847 6618 1845 6616 1846 6614 1844 6614 1844 6611 1842 6613 1838 6612 1838 6614 1828 6614 1825 6627 1825 6636 1828 6638 1836 6636 1838 6630 1847 6632 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ DSR