501  
WGCA82 TJSJ 072140  
FLSSJU  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE SAN JUAN PR  
540 PM AST THU MAY 7 2026  
 
PRC021-061-080000-  
/O.NEW.TJSJ.FA.Y.0168.260507T2140Z-260508T0000Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
BAYAMON PR-GUAYNABO PR-  
540 PM AST THU MAY 7 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 8 PM AST THIS EVENING
 
 
* WHAT...URBAN AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...BAYAMON AND GUAYNABO.  
 
* WHEN...UNTIL 800 PM AST.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
RISES IN SMALL STREAMS AND NORMALLY DRY ARROYOS.  
 
* ADDITIONAL DETAILS...  
- AT 539 PM AST, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL STREAM  
FLOODING. UP TO 1 INCH OF RAIN HAS 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 1836 6620 1837 6620 1840 6620 1841 6620  
1842 6620 1840 6611 1838 6611 1837 6609  
1836 6609 1836 6610 1834 6610 1834 6609  
1829 6609 1829 6614 1832 6621  
 

 
 
GRS  
 
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