929  
WHCA52 TJSJ 162247  
SMWSJU  
AMZ712-162330-  
/O.NEW.TJSJ.MA.W.0001.180116T2247Z-180116T2330Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN JUAN PR  
647 PM AST TUE JAN 16 2018  
 
THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM...  
 
* UNTIL 730 PM AST  
 
* AT 644 PM AST, A LINE OF SHOWERS PRODUCING WATERSPOUTS WAS LOCATED  
OVER THE NEAR SHORE WATERS APPROXIMATELY 10 NM WNW OF DORADO  
MOVING WEST AROUND 15 KNOTS.  
 
HAZARD...WATERSPOUTS.  
 
SOURCE...AIR NATIONAL GUARD PILOT.  
 
IMPACT...WATERSPOUTS CAN CREATE LOCALLY HAZARDOUS SEAS.  
 
* THE SHOWER AND WATERSPOUT ACTIVITY ARE EXPECTED TO REMAIN REMAIN  
OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS  
SEAS. SEEK SAFE HARBOR IMMEDIATELY.  
 

 
 
LAT...LON 1848 6600 1845 6599 1844 6601 1846 6604  
1846 6608 1847 6609 1846 6610 1846 6611  
1847 6611 1846 6612 1848 6618 1849 6636  
1856 6626  
TIME...MOT...LOC 2244Z 240DEG 0KT 1848 6613  
 
WATERSPOUT...OBSERVED  
HAIL...0.00IN  
WIND...<34KTS  
 

 
 
RAM  
 
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