527  
WGCA82 TJSJ 281858  
FLSSJU  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SAN JUAN PR  
258 PM AST THU MAY 28 2026  
 
PRC003-081-099-131-282200-  
/O.NEW.TJSJ.FA.Y.0189.260528T1858Z-260528T2200Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
AGUADA PR-LARES PR-MOCA PR-SAN SEBASTIAN PR-  
258 PM AST THU MAY 28 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 6 PM AST THIS EVENING  
 
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...AGUADA, LARES, MOCA AND SAN SEBASTIAN.  
 
* WHEN...UNTIL 600 PM AST.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
RISES IN SMALL STREAMS AND NORMALLY DRY ARROYOS. WATER OVER  
ROADWAYS.  
 
* ADDITIONAL DETAILS...  
- AT 258 PM AST, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL STREAM  
FLOODING. BETWEEN 1 AND 2 INCHES OF RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE EXPECTED OVER  
THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
 
 
LAT...LON 1837 6713 1841 6712 1846 6706 1839 6703  
1838 6695 1839 6692 1837 6690 1834 6682  
1817 6683 1819 6690 1825 6691 1827 6695  
1828 6704 1829 6703 1832 6712 1831 6719  
1838 6724 1842 6716  
 
 
 
GRS  
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