842  
WGCA62 TJSJ 040826  
FFASJU  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE SAN JUAN PR  
426 AM AST SUN MAY 4 2025  
 
.A SIGNIFICANT THREAT OF FLOODING CONTINUES ACROSS PUERTO RICO DUE  
TO THE EXCESSIVE RAINFALL ACTIVITY OBSERVED OVER THE PAST WEEK.  
RAINFALL ACCUMULATIONS HAVE SURPASSED 15 INCHES IN SOME AREAS,  
ESPECIALLY ALONG THE INTERIOR AND MOUNTAIN SECTIONS, WHERE SOILS ARE  
SATURATED AND RIVER LEVELS ARE ELEVATED. DUE TO THESE HAZARDOUS  
CONDITIONS, THE FLASH FLOOD WATCH HAS BEEN EXTENDED THROUGH THIS  
EVENING. THE PRIMARY THREATS INCLUDE: URBAN AND SMALL STREAM  
FLOODING, RIVER FLOODING, FLASH FLOODING, MUDSLIDES AND LANDSLIDES,  
PARTICULARLY IN MOUNTAINOUS, STEEP TERRAINS. ADDITIONALLY, STRONG  
THUNDERSTORMS CAPABLE OF PRODUCING ADDITIONAL HEAVY RAINFALL ARE  
EXPECTED, ESPECIALLY DURING THE AFTERNOON.  
 
RESIDENTS AND EMERGENCY MANAGEMENT PARTNERS ARE URGED TO REMAIN  
VIGILANT, ESPECIALLY IN FLOOD-PRONE AND STEEP TERRAIN AREAS.  
CONTINUE TO MONITOR OFFICIAL UPDATES AND BE PREPARED TO TAKE  
IMMEDIATE ACTION SHOULD FLASH FLOOD OR FLOOD WARNINGS BE ISSUED.  
 
PRZ001>013-050000-  
/O.CON.TJSJ.FA.A.0001.000000T0000Z-250505T0000Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-NORTH  
CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-WESTERN  
INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-  
INCLUDING THE CITIES OF GUANICA, LAS PIEDRAS, CATANO, AGUADILLA,  
SALINAS, RINCON, MOROVIS, FAJARDO, TOA ALTA, LOIZA, NAGUABO,  
CAYEY, ISABELA, AGUADA, GURABO, JAYUYA, VEGA ALTA, UTUADO, SAN  
SEBASTIAN, PATILLAS, SANTA ISABEL, ANASCO, VILLALBA, COMERIO,  
MAUNABO, JUNCOS, CULEBRA, HATILLO, VIEQUES, LARES, CANOVANAS,  
TRUJILLO ALTO, SABANA GRANDE, LAS MARIAS, MANATI, COAMO, FLORIDA,  
PONCE, SAN JUAN, CABO ROJO, GUAYANILLA, MARICAO, LUQUILLO,  
HORMIGUEROS, YABUCOA, SAN GERMAN, AIBONITO, LAJAS, CEIBA, ARROYO,  
BAYAMON, CIDRA, GUAYAMA, YAUCO, VEGA BAJA, PENUELAS, ADJUNTAS,  
BARCELONETA, ARECIBO, AGUAS BUENAS, CIALES, TOA BAJA,  
QUEBRADILLAS, BARRANQUITAS, HUMACAO, MOCA, OROCOVIS, MAYAGUEZ,  
JUANA DIAZ, NARANJITO, CAMUY, COROZAL, CAROLINA, CAGUAS, SAN  
LORENZO, DORADO, RIO GRANDE, AND GUAYNABO  
426 AM AST SUN MAY 4 2025  
   
..FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING  
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...PUERTO RICO  
 
* WHEN...THROUGH THIS EVENING.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
CREEKS AND STREAMS MAY RISE OUT OF THEIR BANKS. FLOODING MAY OCCUR  
IN POOR DRAINAGE AND URBAN AREAS. LOW-WATER CROSSINGS MAY BE  
FLOODED. STORM DRAINS AND DITCHES MAY BECOME CLOGGED WITH DEBRIS.  
EXTENSIVE STREET FLOODING AND FLOODING OF CREEKS AND RIVERS ARE  
POSSIBLE. AREA CREEKS AND STREAMS ARE RUNNING HIGH AND COULD FLOOD  
WITH MORE HEAVY RAIN.  
 
* ADDITIONAL DETAILS...  
- SHOWER AND THUNDERSTORM ACTIVITY IS FORECAST TO CONTINUE  
DEVELOPING TODAY, ESPECIALLY DURING THE AFTERNOON, AFFECTING  
AFFECTED AREAS. MOST OF THE RIVER AND STREAM CONTINUES  
RUNNING WITH HIGH VALUES AND SOILS ARE SATURATED. THEREFORE,  
THE POTENTIAL FOR FLOODING STILL PRESENT THROUGH THIS  
EVENING.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 
 
 
 
 
CAM  
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