454  
AWCA82 TJSJ 250855  
RWSPR  
 
WEATHER SUMMARY FOR PUERTO RICO  
NATIONAL WEATHER SERVICE SAN JUAN PR  
455 AM AST WED APR 25 2018  
 
PARTLY CLOUDY SKIES PREVAILED ACROSS PUERTO RICO, VIEQUES AND  
CULEBRA OVERNIGHT AND EARLY THIS MORNING AS DRIER AIR IS STILL  
MOVING THROUGH THE AREA. DOPPLER RADAR INDICATED ONLY FEW  
ISOLATED SHOWERS ACROSS THE SURROUNDING WATERS, BUT NOT  
PRECIPITATION WAS OBSERVED OVER LAND AREAS SO FAR THIS MORNING.  
THE OVERNIGHT MINIMUM TEMPERATURES WERE IN THE LOW TO MID 70S  
ACROSS THE LOWER ELEVATIONS AND IN THE 60S ACROSS THE HIGHER  
ELEVATIONS. THE WIND WAS MAINLY FROM THE EAST SOUTHEAST AT 10 MPH  
OR LESS.  
 
LOW LEVEL MOISTURE EMBEDDED IN THE TRADE WINDS WILL MOVE INTO  
EASTERN PUERTO RICO THIS MORNING. HOWEVER, ONLY ISOLATED SHOWER  
ACTIVITY IS EXPECTED IN ASSOCIATION WITH THIS MOISTURE. DURING THE  
AFTERNOON, THE MOISTURE WILL COMBINE WITH DAYTIME HEATING AND  
OROGRAPHIC EFFECTS TO INDUCE THE DEVELOPMENT OF SCATTERED SHOWERS  
ACROSS WESTERN AND NORTHWEST PUERTO RICO. ALTHOUGH AN ISOLATED  
THUNDERSTORM CANNOT BE RULED OUT, THUNDERSTORMS ARE NOT EXPECTED  
THIS AFTERNOON. A LARGER AREA OF MOISTURE WILL MOVE ACROSS THE  
REGION LATE TONIGHT AND THURSDAY.  
 
QUIET MARINE CONDITIONS ARE EXPECTED TODAY ACROSS THE LOCAL COASTAL  
WATERS WITH SEAS UP TO 5 FEET AND WINDS OF 10 TO 15 KNOTS. A  
MODERATE RISK OF RIP CURRENT IS EXPECTED ACROSS MOST BEACHES IN  
PUERTO RICO, EXCEPT IN THE WEST COAST, WHERE THE RISK OF RIP  
CURRENT IS LOW.  
 

 
 
THIS PRODUCT IS ISSUED AROUND 5 AM AND 5 PM EACH DAY AND WEATHER  
CONDITIONS MAY CHANGE BETWEEN ISSUANCES. PLEASE VERIFY THE STATUS  
OF ANY WATCHES...WARNINGS OR ADVISORIES MENTIONED IN THIS PRODUCT.  
 
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