898  
WWPQ80 PGUM 240556  
SPSPQ  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE TIYAN GU  
330 PM CHST TUE OCT 24 2017  
 
PMZ161-171-172-242000-  
KOROR PALAU-YAP-CHUUK-  
330 PM CHST TUE OCT 24 2017  
   
..TROPICAL STORM 27W NORTHEAST OF ULITHI AND YAP
 
 
TROPICAL STORM 27W WAS LOCATED ABOUT 270 MILES NORTHEAST OF ULITHI  
AND 375 MILES NORTHEAST YAP ISLAND...MOVING NORTHWEST AT 17 MPH  
WITH MAXIMUM SUSTAINED WINDS OF 45 MPH. IT IS FORECAST TO CONTINUE  
TOWARD THE NORTHWEST AWAY FROM YAP STATE. FOR MORE INFORMATION ON  
27W...SEE PUBLIC ADVISORIES ISSUED BY THE NATIONAL WEATHER  
SERVICE UNDER WMO HEADER WTPQ33 PGUM.  
 
FRESH TO STRONG WESTERLY MONSOONAL WINDS ASSOCIATED WITH 27W WILL  
CONTINUE TO AFFECT THE ISLANDS OF YAP STATE AND THE REPUBLIC OF  
PALAU FOR THE NEXT COUPLE DAYS.  
 
FOR THE ISLANDS OF SONSOROL...KOROR AND KAYANGEL IN PALAU...  
EXPECT SCATTERED HEAVY SHOWERS WITH ISOLATED THUNDERSTORMS  
PERSISTING THROUGH TONIGHT. RAINFALL AMOUNTS OF 2 TO 4 INCHES  
WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE BY WEDNESDAY MORNING.  
WEST WIND OF 15 TO 25 MPH WILL INCREASE AND REACH 20 TO 30 MPH  
WITH HIGHER GUSTS IN HEAVIER SHOWERS OVERNIGHT. THESE WINDS WILL  
SHIFT TO THE SOUTHWEST WEDNESDAY MORNING AND DECREASE TO BETWEEN  
15 AND 20 MPH BY THURSDAY.  
 
FOR NGULU...YAP...ULITHI AND FAIS IN WESTERN YAP STATE...EXPECT  
SCATTERED HEAVY SHOWERS AND THUNDERSTORMS OVERNIGHT. RAINFALL  
AMOUNTS OF 3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE  
BY WEDNESDAY MORNING. NORTHWEST WINDS WILL OF 20 TO 30 MPH WITH  
GUSTS TO 40 MPH IN HEAVIER SHOWERS WILL SHIFT TO WEST OVERNIGHT  
AND SOUTHWEST ON WEDNESDAY. THESE WINDS SHOULD DECREASE TO  
BETWEEN 10 AND 20 MPH BY THURSDAY.  
 
FOR WOLEAI...FARAULEP AND SATAWAL IN EASTERN YAP STATE...EXPECT  
NUMEROUS HEAVY SHOWERS AND THUNDERSTORMS DECREASING TO SCATTERED  
SHOWERS BY WEDNESDAY MORNING. ADDITIONAL RAINFALL AMOUNTS OF 1 TO  
3 INCHES ARE LIKELY BY WEDNESDAY. WEST TO SOUTHWEST WINDS OF 20  
TO 35 MPH WILL DECREASE TO BETWEEN 15 AND 25 MPH BY WEDNESDAY.  
 
FOR ULUL...PULUWAT...FANANU...WENO AND LOSAP IN CHUUK STATE...  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL DIMINISH BY  
WEDNESDAY. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE STILL  
POSSIBLE OVERNIGHT. SOUTHWEST TO SOUTH WINDS OF 15 TO 25 MPH WITH  
HIGHER GUSTS WILL DIMINISH ON WEDNESDAY.  
 
WINDS AND SEAS WILL BE HAZARDOUS FOR THE OPERATION OF SMALL BOATS.  
INTER-ISLAND TRAVEL BY SMALL BOAT SHOULD BE POSTPONED UNTIL AT  
LEAST WEDNESDAY AFTERNOON WHEN THE WEATHER SHOULD START TO SETTLE  
DOWN. SURF ALONG NORTH AND WEST FACING SHORES WILL ALSO BE  
HAZARDOUS...PRODUCING DANGEROUS RIP CURRENTS. AVOID VENTURING OUT  
TO REEF LINES AND EXPOSED BEACHES.  
 
RESIDENTS OF CHUUK AND YAP STATES...AND THE REPUBLIC OF PALAU  
SHOULD MONITOR THE PROGRESS OF TROPICAL STORM 27W THE NEXT FEW  
DAYS. IF YOU ARE PLANNING OUTDOOR OR MARINE ACTIVITY...BE AWARE OF  
CURRENT MARINE CONDITIONS AND STAY INFORMED ON LATEST FORECASTS  
AND ADVISORIES ISSUED BY THE NATIONAL WEATHER SERVICE AND YOUR  
LOCAL WEATHER SERVICE AND EMERGENCY MANAGEMENT OFFICES.  
 
PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE ARE POSTED ON THE  
WFO GUAM WEB PAGE AT WWW.PRH.NOAA.GOV/GUAM/.  
 

 
 
SIMPSON  
 
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