054  
FLCA42 TJSJ 230845  
HWOSJU  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE SAN JUAN PR  
445 AM AST SUN JUL 23 2017  
 
AMZ710>745-PRZ001>013-240845-  
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-  
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTWEST-  
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-  
THE NEARSHORE AND OFF SHORE ATLANTIC AND CARIBBEAN COASTAL WATERS-  
445 AM AST SUN JUL 23 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO AND THE ADJACENT  
ATLANTIC COASTAL WATERS.  
   
DAY ONE
 
TODAY AND TONIGHT  
   
THUNDERSTORMS
 
THERE IS A CHANCE OF THUNDERSTORMS WITH HEAVY  
RAINFALL AND BRIEF GUSTY WINDS THIS AFTERNOON ACROSS PORTIONS OF  
NORTHWESTERN PR.  
   
FLOODING
 
HEAVY RAINS COULD LEAD TO URBAN AND SMALL STREAM  
FLOODING.  
   
WIND
 
SUSTAINED WINDS IN EXCESS OF 20 KNOTS EXPECTED ACROSS COASTAL  
AREAS OF NORTHERN PR, AS WELL AS ACROSS NEARSHORE CARIBBEAN WATERS AND  
BOTH NEARSHORE AND OFFSHORE ATLANTIC WATERS.  
   
WAVES
 
CHOPPY/ROUGH SEAS UP TO 5 FEET WITH OCCASIONAL SEAS UP TO 6  
FEET EXPECTED ACROSS ATLANTIC WATERS.  
   
RIP CURRENTS
 
THERE IS A MODERATE RISK OF RIP CURRENTS FOR BEACHES  
OF NORTHERN AND SOUTHEASTERN PR, AS WELL AS VIEQUES.  
   
HEAT
 
SOUTHEASTERLY TRADE WINDS WILL RESULT IN ABOVE NORMAL HEAT  
INDEX BETWEEN 102 AND 107 DEGREES ALONG COASTAL AREAS OF NORTHERN,  
SOUTHERN AND WESTERN PUERTO RICO.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY  
 
ALTHOUGH A DRIER MASS WILL ENCOMPASS THE AREA, LINGERING LOW-LEVEL  
MOISTURE WILL RESULT IN SHOWERS AND THUNDERSTORMS OVER THE INTERIOR  
AND WESTERN PR, AS WELL AS OVER THE SAN JUAN METRO AREA EACH  
AFTERNOON, FOLLOWED BY PASSING SHOWERS THROUGHOUT THE EVENING AND  
MORNING HOURS. DRIER AND HAZY CONDITIONS ARE EXPECTED ON MONDAY  
THROUGH WEDNESDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL  
SPOTTER ARE ENCOURAGED TO REPORT HIGH WINDS, FLOODING AND RIP  
CURRENTS TO THE NATIONAL WEATHER SERVICE IN SAN JUAN.  
 

 
 
AMZ715-725-VIZ001-002-240845-  
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-  
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-  
445 AM AST SUN JUL 23 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS AND THE  
ADJACENT COASTAL WATERS.  
   
DAY ONE
 
TODAY AND TONIGHT  
   
RIP CURRENTS
 
THERE IS A MODERATE RISK OF RIP CURRENTS FOR A FEW  
BEACHES OF SAINT CROIX.  
   
HEAT
 
SOUTHEASTERLY TRADE WINDS WILL RESULT IN ABOVE NORMAL  
HEAT INDEX BETWEEN 102 AND 107 DEGREES ALONG COASTAL AREAS OF SOUTHERN  
SAINT CROIX.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY  
 
ALTHOUGH A DRIER MASS WILL ENCOMPASS THE AREA, LINGERING LOW-LEVEL  
MOISTURE WILL LIKELY RESULT IN SHOWER ACTIVITY OVER THE ISLANDS EACH  
AFTERNOON, FOLLOWED BY PASSING SHOWERS THROUGHOUT THE EVENING AND  
MORNING HOURS. DRIER AND HAZY CONDITIONS ARE EXPECTED ON MONDAY  
THROUGH WEDNESDAY.  
   
SPOTTER INFORMATION STATEMENT
 
 
WIDESPREAD SPOTTER ACTIVATION IS NOT ANTICIPATED, HOWEVER INDIVIDUAL  
SPOTTER ARE ENCOURAGED TO REPORT RIP CURRENTS TO THE NATIONAL WEATHER  
SERVICE IN SAN JUAN.  
 

 
 
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