080  
WTPQ81 PGUM 231607  
HLSPQ1  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
TYPHOON YUTU (31W) LOCAL STATEMENT  
NATIONAL WEATHER SERVICE TIYAN GU  
207 AM CHST WED OCT 24 2018  
   
NEW INFORMATION
 
 
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR ALAMAGAN...PAGAN  
AND AGRIHAN.  
   
AREAS AFFECTED
 
 
THIS LOCAL STATEMENT PROVIDES IMPORTANT INFORMATION AND RECOMMENDED  
ACTIONS FOR PEOPLE IN GUAM AND THE CNMI.  
   
WATCHES/WARNINGS
 
 
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR ALAMAGAN...PAGAN AND  
AGRIHAN.  
 
A TYPHOON WARNING REMAINS IN EFFECT FOR ROTA...TINIAN AND SAIPAN.  
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR GUAM.  
   
STORM INFORMATION
 
 
AT 1 AM CHST...THE CENTER OF TYPHOON YUTU (31W) WAS LOCATED NEAR  
LATITUDE 12.3N...LONGITUDE 149.2E. THIS WAS ABOUT 310 MILES EAST-  
SOUTHEAST OF GUAM AND 305 MILES SOUTHEAST OF SAIPAN. STORM MOTION  
WAS WEST AT 12 MPH. STORM INTENSITY WAS 105 MPH.  
   
SITUATION OVERVIEW
 
 
THE CURRENT TRACK HAS SHIFTED SLIGHTLY SOUTH AND NOW BRINGS YUTU  
JUST SOUTH OF TINIAN AND SAIPAN AS A 130 MPH CAT 4 LATE TONIGHT OR  
EARLY THURSDAY MORNING. SLIGHT CHANGES TO THE FORECAST ARE STILL  
POSSIBLE SO ALL RESIDENTS SHOULD CONTINUE TO MONITOR SUBSEQUENT  
FORECASTS AND ADVISORIES FOR ANY CHANGES THAT MAY IMPACT YOUR ISLAND.  
   
PRECAUTIONARY/PREPAREDNESS ACTIONS
 
 
PREPARATION ACCORDING TO YOUR TYPHOON DISASTER PLANNING SHOULD BE  
WELL UNDER WAY FOR YOUR HOMES AND BUSINESSES. BASED ON THE CURRENT  
FORECAST TRACK...EXTREMELY DANGEROUS WINDS MAY BE SEEN AT ROTA...  
TINIAN AND SAIPAN...DEPENDING UPON WHERE THE EYE CROSSES. BE READY TO  
EVACUATE TO PUBLIC SHELTERS OR SHELTER IN PLACE IF NECESSARY. HEED  
THE ADVICE OF LOCAL OFFICIALS AND COMPLY WITH ANY ORDERS THAT ARE  
ISSUED.  
 
MARINERS SHOULD RETURN TO PORT IMMEDIATELY AND HAVE MADE PLANS TO  
SECURE THEIR VESSEL AS SOON AS POSSIBLE FOR THE APPROACHING STORM.  
CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS FOR  
OFFICIAL STORM INFORMATION AND ANY POTENTIAL CHANGES TO THE FORECAST.  
 

 
   
NEXT UPDATE
 
 
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER  
SERVICE IN TIYAN AROUND 9 AM THIS MORNING...OR SOONER IF CONDITIONS  
WARRANT.  
 

 
 
GUZ002>004-240000-  
/O.CON.PGUM.TY.W.4031.000000T0000Z-000000T0000Z/  
ROTA-TINIAN-SAIPAN-  
207 AM CHST WED OCT 24 2018  
   
..TYPHOON WARNING REMAINS IN EFFECT FOR ROTA...TINIAN AND SAIPAN
 
 
   
..PRECAUTIONARY/PREPAREDNESS ACTIONS
 
 
ROTA...TINIAN AND SAIPAN REMAIN IN TYPHOON CONDITION OF READINESS 2.  
 
PREPARATION FOR YOUR HOMES AND BUSINESSES SHOULD BE WELL UNDER WAY  
BEFORE CONDITIONS DETERIORATE LATER TODAY. IF YOUR HOME IS  
VULNERABLE TO STRONG WINDS...OR YOU LIVE IN A AREA VULNERABLE TO  
STORM SURGE OR ANY OTHER FLOODING...EVACUATE TO A DESIGNATED SHELTER  
OR RIDE OUT THE STORM IN THE STURDY HOME OF FAMILY OR FRIENDS.  
 
IF YOU LIVE ON A BOAT...MAKE FINAL PREPARATIONS FOR SECURING YOUR  
CRAFT BEFORE LEAVING IT. SMALL CRAFT SHOULD RETURN OR REMAIN IN  
PORT AND BE WELL SECURED.  
 
IT IS IMPORTANT TO CONTINUE LISTENING FOR UPDATED INFORMATION FROM  
THE NATIONAL WEATHER SERVICE OFFICE AND YOUR LOCAL EMERGENCY  
MANAGEMENT AGENCY.  
 

 
   
..TINIAN AND SAIPAN
 
 
   
..WINDS
 
 
AS TYPHOON YUTU APPROACHES...SUSTAINED WINDS WILL GRADUALLY INCREASE.  
AS CURRENTLY FORECAST...TROPICAL STORM FORCE WINDS ARE POSSIBLE  
STARTING THIS AFTERNOON. TYPHOON FORCE WINDS ARE LIKELY STARTING  
THIS EVENING AND EXPECTED TO LAST THROUGH THE NIGHT. WINDS ARE  
EXPECTED TO EVENTUALLY TURN TO THE SOUTH AND DECREASE THROUGHOUT THE  
DAY THURSDAY.  
   
..STORM SURGE AND SURF INFORMATION
 
 
COMBINED SEAS WILL BUILD TO BETWEEN 20 AND 30 FEET NEAR THE CENTER  
OF THE STORM BY TONIGHT...RESULTING IN DEADLY SURF CONDITIONS.  
COASTAL INUNDATION OF 7 TO 9 FEET IS POSSIBLE ON WINDWARD EXPOSURES.  
 
ONCE YUTU PASSES TO THE WEST OF THE MARIANA ISLANDS...WEST AND  
SOUTHWEST SWELL WILL BUILD WITH SURF RISING TO 12 TO 16 FEET ALONG  
WEST FACING REEFS. COASTAL INUNDATION OF 3 TO 5 FEET IS POSSIBLE  
ON WEST FACING EXPOSURES.  
 
SURF WILL GENERATE DEADLY RIP CURRENTS.  
   
..OTHER STORM EFFECTS
 
 
RAINFALL AMOUNTS OF 6 TO 8 INCHES ARE EXPECTED TONIGHT AND THURSDAY.  
A FLASH FLOOD WATCH IS NOW IN EFFECT TODAY THROUGH THURSDAY NIGHT.  
FLASH FLOOD WARNINGS WILL BE ISSUED AS NEEDED AS YUTU MOVES THROUGH  
THE AREA.  
   
..ROTA
 
 
   
..WINDS
 
 
AS TYPHOON YUTU APPROACHES...SUSTAINED WINDS WILL GRADUALLY INCREASE.  
AS CURRENTLY FORECAST...TROPICAL STORM FORCE WINDS ARE LIKELY TO  
START THIS AFTERNOON BEFORE BECOMING TYPHOON FORCE OVER  
NIGHT...DEPENDING UPON HOW CLOSE THE EYE OF TYPHOON YUTU APPROACHES.  
WINDS WILL EVENTUALLY TURN TO THE SOUTH AND SOUTHWEST WHILE  
DECREASING LATE THURSDAY.  
   
..STORM SURGE AND STORM TIDE
 
 
COMBINED SEAS WILL BUILD TO BETWEEN 12 AND 17 FEET TONIGHT...  
RESULTING IN SURF TO 20 FEET. COASTAL INUNDATION OF 2 TO 3 FEET IS  
LIKELY ON WINDWARD EXPOSURES.  
 
ONCE YUTU PASSES TO THE WEST OF THE MARIANA ISLANDS...WEST AND  
SOUTHWEST SWELL WILL BUILD WITH SURF RISING TO 8 TO 10 FEET ALONG  
WEST FACING REEFS.  
 
SURF WILL GENERATE DEADLY RIP CURRENTS.  
   
..OTHER STORM EFFECTS
 
 
RAINFALL AMOUNTS OF 4 TO 6 INCHES ARE EXPECTED TONIGHT AND THURSDAY.  
A FLASH FLOOD WATCH IS NOW IN EFFECT THIS AFTERNOON THROUGH THURSDAY  
NIGHT. FLASH FLOOD WARNINGS WILL BE ISSUED AS NEEDED.  
 

 
 
GUZ001-240000-  
/O.CON.PGUM.TR.W.4031.000000T0000Z-000000T0000Z/  
GUAM-  
207 AM CHST WED OCT 24 2018  
   
..TROPICAL STORM WARNING REMAINS IN EFFECT FOR GUAM
 
 
   
..PRECAUTIONARY/PREPAREDNESS ACTIONS
 
 
GUAM REMAINS IN CONDITION OF READINESS 3.  
 
PREPARATION FOR YOUR HOMES AND BUSINESSES SHOULD BE WELL UNDER  
WAY BEFORE CONDITIONS DETERIORATE LATER TODAY. SECURE LOOSE OUTDOOR  
OBJECTS WHICH CAN BE BLOWN AROUND. FOLKS LIVING IN POORLY CONSTRUCTED  
HOUSES SHOULD CONSIDER RELOCATING TO PUBLIC SHELTER IF SHELTERS ARE  
OPENED.  
 
IT IS IMPORTANT TO CONTINUE LISTENING FOR UPDATED INFORMATION  
FROM THE NATIONAL WEATHER SERVICE OFFICE AND YOUR LOCAL EMERGENCY  
MANAGEMENT AGENCY.  
 

 
   
..WINDS
 
 
AS TYPHOON YUTU APPROACHES...SUSTAINED WINDS WILL GRADUALLY  
INCREASE. AS CURRENTLY FORECAST...TROPICAL STORM FORCE WEST WINDS  
ARE POSSIBLE AS EARLY AS THIS AFTERNOON...ESPECIALLY IN THE NORTH  
COASTAL WATERS AND IN THE NORTHERN PORTIONS OF THE ISLAND. EXPECT  
GUSTS TO EXCEED 40 TO 50 MPH ESPECIALLY IN HEAVY SHOWERS. WINDS WILL  
TURN TO THE SOUTH AND SOUTHWEST WHILE DECREASING BELOW DAMAGING WINDS  
THURSDAY AFTERNOON.  
   
..STORM SURGE AND SURF INFORMATION
 
 
COMBINED SEAS WILL BUILD TO BETWEEN 10 AND 15 FEET LATE THIS  
AFTERNOON AND OVER NIGHT...RESULTING IN SURF OF 15 TO 20 FEET.  
COASTAL INUNDATION OF 2 TO 4 FEET IS LIKELY ON WINDWARD EXPOSURES.  
 
SURF WILL GENERATE DEADLY RIP CURRENTS.  
   
..OTHER STORM EFFECTS
 
 
RAINFALL AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED TONIGHT AND THURSDAY.  
HEAVIER RAINS ARE POSSIBLE DEPENDING ON SPEED AND TRACK OF TYPHOON  
YUTU. A FLASH FLOOD WATCH IS NOW IN EFFECT THIS AFTERNOON THROUGH  
THURSDAY NIGHT. FLASH FLOOD WARNINGS WILL BE ISSUED AS NEEDED..  
 

 
   
..AGRIHAN...PAGAN AND ALAMAGAN
 
 
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR ALAMAGAN...PAGAN...AND  
AGRIHAN.  
   
PRECAUTIONARY/PREPAREDNESS ACTIONS
 
 
PEOPLE ON AGRIHAN...PAGAN AND ALAMAGAN SHOULD PREPARE FOR DAMAGING  
WINDS AND HEAVY RAIN. SMALL BOATS ON THESE ISLANDS SHOULD BE  
SECURED. AVOID INTER-ISLAND TRAVEL.  
   
..WIND INFORMATION
 
 
AS TYPHOON YUTU APPROACHES...SUSTAINED WINDS WILL GRADUALLY INCREASE.  
AS CURRENTLY FORECAST...TROPICAL STORM FORCE NORTHEAST WINDS ARE  
EXPECTED THIS EVENING BEFORE TURNING TO THE SOUTHEAST AND DECREASING  
THURSDAY EVENING AND EARLY FRIDAY MORNING.  
   
..STORM SURGE AND SURF INFORMATION
 
 
COMBINED SEAS WILL BUILD TO BETWEEN 12 AND 17 FEET TONIGHT...  
RESULTING IN SURF TO 20 FEET. COASTAL INUNDATION OF 1 TO 3 FEET IS  
LIKELY ON WINDWARD EXPOSURES.  
 
SURF WILL GENERATE DEADLY RIP CURRENTS.  
   
..OTHER STORM EFFECTS
 
 
LOCALLY HEAVY DOWNPOURS COULD PRODUCE 4 TO 6 INCHES OF RAIN ON ALL  
THREE ISLANDS TONIGHT THROUGH FRIDAY. FLASH FLOODING IS POSSIBLE  
DURING HEAVY RAINS.  
 

 
 
KLEESCHULTE  
 
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