894  
WGCA82 TJSJ 191931  
FLSSJU  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SAN JUAN PR  
331 PM AST SAT SEP 19 2026  
 
PRC003-083-099-131-192230-  
/O.NEW.TJSJ.FA.Y.0264.260919T1931Z-260919T2230Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
AGUADA PR-LAS MARIAS PR-MOCA PR-SAN SEBASTIAN PR-  
331 PM AST SAT SEP 19 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 630 PM AST THIS EVENING  
 
* WHAT...URBAN AREA AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...AGUADA COUNTY IN PUERTO RICO...  
LAS MARIAS COUNTY IN PUERTO RICO...  
MOCA COUNTY IN PUERTO RICO...  
SAN SEBASTIAN COUNTY IN PUERTO RICO...  
 
* WHEN...UNTIL 630 PM AST.  
 
* IMPACTS...RISES IN SMALL STREAMS AND NORMALLY DRY ARROYOS. SOME  
LOW-WATER CROSSINGS MAY BECOME IMPASSABLE.  
 
* ADDITIONAL DETAILS...  
- AT 331 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 OF 1 TO 2 INCHES ARE EXPECTED OVER  
THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE  
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED  
ROADS. FIND AN ALTERNATE ROUTE.  
 
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE  
YOU ARE RELATIVE TO STREAMS, RIVERS, OR CREEKS WHICH CAN BECOME  
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR  
CREEKS.  
 
 
 
LAT...LON 1839 6714 1843 6711 1846 6706 1839 6703  
1838 6694 1839 6692 1837 6689 1832 6691  
1823 6691 1819 6690 1821 6696 1819 6702  
1825 6706 1825 6708 1827 6704 1831 6705  
1832 6712 1831 6718 1838 6724 1841 6717  
 
 
 
DSR  
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