908  
WTPQ83 PGUM 231639  
HLSPQ3  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
TROPICAL STORM 27W LOCAL STATEMENT  
NATIONAL WEATHER SERVICE TIYAN GU  
239 AM CHST TUE OCT 24 2017  
   
..TROPICAL DEPRESSION 27W IS NOW A TROPICAL STORM
 
 
   
AREAS AFFECTED
 
 
THIS LOCAL STATEMENT PROVIDES IMPORTANT INFORMATION AND  
RECOMMENDED ACTIONS FOR PEOPLE AND MARINE INTERESTS OF GUAM AND  
ROTA AND SURROUNDING WATERS.  
   
WATCHES/WARNINGS
 
 
TROPICAL STORM WATCH CONTINUES FOR GUAM AND ROTA AND ASSOCIATED  
COASTAL WATERS.  
 
PLEASE CHECK THE LATEST PUBLIC AND MARINE FORECASTS FOR DETAILED  
INFORMATION ABOUT ADDITIONAL HAZARDS.  
   
STORM INFORMATION
 
 
AT 2 AM CHST...THE CENTER OF TROPICAL STORM 27W WAS LOCATED NEAR  
LATITUDE 9.9N...LONGITUDE 145.3E. THIS WAS ABOUT 250 MILES  
SOUTH OF GUAM AND 290 MILES SOUTH OF ROTA. THE STORM WAS MOVING  
TOWARDS THE WEST-NORTHWEST. STORM INTENSITY WAS 45 MPH.  
   
SITUATION OVERVIEW
 
 
TROPICAL STORM 27W IS EXPECTED TO PASS SOUTHWEST OF GUAM SOMETIME  
TODAY. WINDS WILL BE INTENSIFYING TODAY AND TROPICAL STORM  
CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA.  
 
IT IS TOO EARLY TO PROVIDE EXACT WIND AND SURGE FORECAST VALUES  
FOR SPECIFIC LOCATIONS. A GENERAL CONCERN SHOULD BE FOR THE  
POSSIBILITY OF AT LEAST MINOR DAMAGE SOMEWHERE WITHIN GUAM AND  
THE NORTHERN MARIANAS.  
   
PRECAUTIONARY/PREPAREDNESS ACTIONS
 
 
NOW IS THE TIME TO BEGIN PREPARING YOUR HOME OR BUSINESS ACCORDING  
TO YOUR TYPHOON DISASTER PLAN. LISTEN FOR POSSIBLE WARNINGS AND  
BE READY TO EVACUATE IF NECESSARY. HEED THE ADVICE OF LOCAL  
OFFICIALS AND COMPLY WITH ANY ORDERS THAT ARE ISSUED.  
 
FOR INTERESTS AT PORTS...DOCKS...AND MARINAS...IT IS RECOMMENDED  
THAT YOU PERFORM THE PRESCRIBED PREPARATIONS ACCORDING TO YOUR  
EMERGENCY OPERATIONS PLAN FOR TROPICAL CYCLONES. IF YOU LIVE ON A  
BOAT...BEGIN TO SAFELY SECURE YOUR CRAFT AND MAKE PLANS TO LEAVE  
IT FOR ADEQUATE LAND BASED SHELTER. LISTEN FOR POSSIBLE WARNINGS.  
 
REGARDING THE COASTAL WATERS UNDER A WATCH...SMALL CRAFT SHOULD  
RETURN TO PORT OR SEEK SAFE HARBOR.  
 
CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS  
FOR OFFICIAL STORM INFORMATION. LISTEN FOR POSSIBLE CHANGES TO  
THE FORECAST.  
 
FOR ADDITIONAL PRECAUTIONARY AND PREPAREDNESS INFORMATION...  
PLEASE REFER TO THE DETAILED RECOMMENDATIONS RELATIVE TO YOUR  
LOCATION AS FURTHER DESCRIBED BY YOUR LOCAL NATIONAL WEATHER  
SERVICE OFFICE AND YOUR LOCAL EMERGENCY MANAGEMENT.  
 

 
   
NEXT UPDATE
 
 
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER  
SERVICE IN TIYAN AROUND 9 AM CHST...OR SOONER IF CONDITIONS  
WARRANT.  
 
GUZ001-002-PMZ151-152-240100-  
/O.CON.PGUM.TR.A.4027.000000T0000Z-000000T0000Z/  
GUAM-ROTA-GUAM COASTAL WATERS-ROTA COASTAL WATERS-  
239 AM CHST TUE OCT 24 2017  
   
..TROPICAL STORM WATCH REMAINS IN EFFECT
 
 
   
..PRECAUTIONARY/PREPAREDNESS ACTIONS
 
 
PREPARATIONS SHOULD BE MADE AS SOON AS POSSIBLE, BEFORE CONDITIONS  
DETERIORATE. KEEP INFORMED WHILE LISTENING FOR POSSIBLE WARNINGS.  
SECURE LOOSE OUTDOOR OBJECTS WHICH CAN BE BLOWN AROUND. STRONGLY  
CONSIDER EVACUATING IF YOU LIVE IN A MOBILE HOME, AND DO SO IF  
ORDERED BY LOCAL OFFICIALS. BOAT OWNERS AND CAPTAINS OF SMALL  
CRAFT NEED TO DETERMINE THE BEST STRATEGY FOR SECURING THEIR  
CRAFT.  
 

 
   
..WINDS AND SEAS
 
 
AS TROPICAL STORM 27W MOVES CLOSER, THE THREAT FOR SUSTAINED HIGH  
WINDS IS LIKELY TO INCREASE. THE LATEST FORECAST IS FOR TROPICAL  
STORM FORCE WINDS FROM THIS MORNING TO LATE THIS AFTERNOON.  
 
MINOR DAMAGE TO LESS SUBSTANTIAL STRUCTURES IS POSSIBLE...AS ARE  
ISOLATED POWER OUTAGES AND DOWNED PALM FRONDS.  
 
SEAS WILL BUILD TO BETWEEN 12 AND 14 FEET BY TODAY. SURF OF 10 TO  
14 FEET IS POSSIBLE ALONG NORTH AND WEST FACING REEFS.  
   
..STORM SURGE AND STORM TIDE
 
 
STORM SURGE OF UP TO 1 FOOT IS POSSIBLE...MAINLY ON EAST AND SOUTH  
FACING SHORES. MOST VULNERABLE AREAS WILL BE FROM PAGO BAY TO  
MERIZO ON GUAM.  
   
..INLAND FLOODING
 
 
2 TO 4 INCHES OF RAINFALL ACCUMULATION IS POSSIBLE DURING THE  
PASSAGE OF TROPICAL STORM 27W. THESE AMOUNTS ARE SUFFICIENT TO  
CAUSE FLOODING IN POOR DRAINAGE AREAS. CLEAR THE DRAINAGE SYSTEMS  
IN YOUR AREA IF THEY ARE CLOGGED.  
 

 
 
ZIOBRO  
 
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