601  
WGCA52 TJSJ 171738  
FFWSJU  
PRC003-099-131-172045-  
/O.NEW.TJSJ.FF.W.0019.260417T1738Z-260417T2045Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
138 PM AST FRI APR 17 2026  
 
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
AGUADA IN PUERTO RICO...  
MOCA IN PUERTO RICO...  
SAN SEBASTIAN IN PUERTO RICO...  
 
* UNTIL 445 PM AST.  
 
* AT 138 PM AST, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 2 AND 3 INCHES OF RAIN  
HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 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.  
 
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 1839 6716 1839 6713 1835 6713 1846 6706  
1839 6703 1838 6695 1839 6692 1837 6689  
1825 6691 1825 6693 1827 6695 1826 6697  
1828 6704 1829 6703 1831 6706 1832 6712  
1831 6719 1838 6724 1842 6716  
 
FLASH FLOOD...RADAR INDICATED  
 

 
 
CVB  
 
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