065  
WGCA62 TJSJ 150735  
FFASJU  
 
FLASH FLOOD WATCH  
NATIONAL WEATHER SERVICE SAN JUAN PR  
335 AM AST SAT SEP 15 2018  
 
...THE RISK OF WIDESPREAD FLASH FLOODING HAS DIMINISHED SIGNIFICANTLY...  
 
PRZ001>004-006-007-150845-  
/O.CAN.TJSJ.FF.A.0002.000000T0000Z-180915T0800Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-  
CENTRAL INTERIOR-PONCE AND VICINITY-  
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,  
SAN JUAN, TOA ALTA, TOA BAJA, TRUJILLO ALTO, CEIBA, CANOVANAS,  
FAJARDO, HUMACAO, LOIZA, LUQUILLO, NAGUABO, RIO GRANDE, ARROYO,  
GUAYAMA, MAUNABO, PATILLAS, SALINAS, YABUCOA, AGUAS BUENAS,  
CAGUAS, CAYEY, CIDRA, COMERIO, GURABO, JUNCOS, LAS PIEDRAS,  
SAN LORENZO, AIBONITO, BARANQUITAS, CIALES, COAMO, COROZAL,  
JAYUYA, MOROVIS, NARANJITO, OROCOVIS, VILLALBA, GUAYANILLA,  
JUANA DIAZ, YAUCO, PENUELAS, PONCE, AND SANTA ISABEL  
335 AM AST SAT SEP 15 2018  
   
..FLASH FLOOD WATCH IS CANCELLED
 
 
THE FLASH FLOOD WATCH FOR PORTIONS OF PUERTO RICO, INCLUDING THE  
CENTRAL INTERIOR, EASTERN INTERIOR, NORTHEAST, PONCE AND VICINITY,  
SAN JUAN AND VICINITY, AND THE SOUTHEAST HAS BEEN CANCELLED. AS  
THE TRAILING MOISTURE AND MUCH OF THE HEAVY SHOWER ACTIVITY ASSOCIATED  
WITH TROPICAL STORM ISAAC CONTINUED TO MOVE WESTWARD AND AWAY FROM  
THE FROM PUERTO RICO DURING THE EARLY MORNING HOURS, THE POTENTIAL  
FOR WIDESPREAD FLASH FLOODING HAS DIMINISHED. IN ADDITION RECENT RIVER  
SENSORS AND GAGES CONTINUED TO INDICATE THAT WATER LEVELS ALONG  
RIVERS AND STREAMS WERE NOW BELOW FLOOD STAGE AND CONTINUED TO  
SUBSIDE. NO ADDITIONAL WIDESPREAD HEAVY RAINS IS EXPECTED FOR THE  
MOMENT. THEREFORE THE FLASH FLOOD WATCH FOR PORTIONS OF PUERTO  
RICO HAS BEEN CANCELLED. HOWEVER, DURING THE REST OF THE DAY  
PERIODS OF MODERATE LOCALLY HEAVY RAINS WILL REMAIN POSSIBLE IN  
ISOLATED AREAS ACROSS PORTIONS OF THE ISLAND. THIS MAY LEAD TO  
MINOR FLOODING ALONG RIVERS AND SMALL STREAMS AND IN URBAN AND  
POOR DRAINAGE AREAS. MUDSLIDES WILL ALSO REMAIN POSSIBLE IN AREAS  
OF STEEP TERRAIN DUE TO SATURATED SOIL.  
 

 
RAM/JJA/GL  
 
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