[Tropical] Hurricane Local Statement

[EMWIN Server]

WTPQ83 PGUM 090515
HLSPQ3

URGENT - IMMEDIATE BROADCAST REQUESTED
TYPHOON NANGKA (11W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
315 PM CHST THU JUL 9 2015

...TYPHOON NANGKA PASSING OVER ALAMAGAN...

.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE ON TINIAN..SAIPAN...ALAMAGAN...PAGAN AND AGRIHAN IN THE
NORTHERN MARIANA ISLANDS.

.WATCHES/WARNINGS...
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR SAIPAN...TINIAN AND
THEIR COASTAL WATERS. TROPICAL STORM CONDITIONS ARE EXPECTED OR
OCCURRING THIS AFTERNOON THROUGH TONIGHT.

A TYPHOON WARNING REMAINS IN EFFECT FOR AGRIHAN...PAGAN AND ALAMAGAN
ISLANDS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...
ARE OCCURRING OR EXPECTED WITHIN THE NEXT 12 HOURS.

.STORM INFORMATION...
AT 100 PM CHST...0300 UTC...THE EYE OF TYPHOON NANGKA WAS LOCATED
AT LATITUDE 17.2 DEGREES NORTH AND LONGITUDE 146.5 DEGREES EAST.

THIS IS
ABOUT 120 MILES SOUTH-SOUTHEAST OF AGRIHAN
ABOUT  75 MILES SOUTHEAST OF PAGAN
ABOUT  50 MILES SOUTHEAST OF ALAMAGAN
ABOUT 155 MILES NORTH-NORTHEAST OF SAIPAN
ABOUT 165 MILES NORTH-NORTHEAST OF TINIAN

NANGKA IS MOVING WEST-NORTHWEST AT 12 MPH WITH MAXIMUM SUSTAINED
WINDS OF 145 MPH.

.SITUATION OVERVIEW...
THE CURRENT FORECAST TRACK TAKES TYPHOON NANGKA THROUGH THE
NORTHERN MARIANA ISLANDS OVER ALAMAGAN THIS AFTERNOON AND EVENING.
NANGKA REMAINS A STRONG CATEGORY 4 TYPHOON. TYPHOON NANGKA IS
EXPECTED TO REMAIN NEAR THIS INTENSITY AS IT PASSES THROUGH THE
MARIANAS.

THE LATEST FORECAST SHOWS THAT DAMAGING WINDS OF 39 MPH OR MORE
ARE POSSIBLE ACROSS TINIAN AND SAIPAN THIS AFTERNOON AND EVENING
AS NANGKA PASSES TO THE NORTH.

...AGRIHAN...PAGAN AND ALAMAGAN...

.PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARATIONS FOR TYPHOON NANGKA SHOULD ALREADY BE COMPLETED.
REMAIN IN A STURDY SHELTER UNTIL DAMAGING WINDS SUBSIDE. TROPICAL
STORM FORCE TO TYPHOON FORCE CONDITIONS ARE SETTING IN NOW OVER
THE ISLANDS. THE CURRENT FORECAST BRINGS THE CENTER OF NANGKA
OVER ALAMAGAN THIS AFTERNOON. AN EYE PASSAGE IS OCCURRING NOW
OVER ALAMAGAN. DO NOT VENTURE OUT FAR FROM SHELTERS AS LIFE-
THREATENING WINDS WILL INCREASE RAPIDLY.

DO NOT ATTEMPT INTER-ISLAND TRAVEL UNTIL WINDS AND SEAS HAVE
SUBSIDED.

...WIND INFORMATION...

.ALAMAGAN...TYPHOON FORCE CONDITIONS ARE OVER THE ISLAND
NOW. TYPHOON FORCE WINDS WILL SHIFT FROM THE NORTHEAST THIS
AFTERNOON TO THE EAST...THEN SOUTHEAST BY LATE THIS EVENING.
SATELLITE ANIMATION INDICATES AN EYE PASSAGE IS OCCURRING NOW.
WINDS WILL BECOME RELATIVELY CALM AND VARIABLE AS THE EYE PASSES
OVERHEAD. CALM WINDS WILL LAST NO MORE THAN ONE HOUR BEFORE
QUICKLY RISING TO TYPHOON FORCE AGAIN. TYPHOON FORCE WINDS WILL
SHIFT TO THE SOUTHEAST THIS EVENING AND DECREASE TO TROPICAL
STORM FORCE TONIGHT. WINDS SHOULD DROP BELOW TROPICAL STORM
FORCE EARLY FRIDAY MORNING.

.PAGAN...TROPICAL STORM FORCE WINDS HAVE SET IN OVER THE ISLAND
NOW AND TYPHOON FORCE WINDS ARE EXPECTED WITHIN THE NEXT HOUR OR
TWO. NORTHEAST WINDS WILL INCREASE THIS AFTERNOON TO TYPHOON
FORCE AND SHIFT TO THE EAST. LATER THIS EVENING...TYPHOON FORCE
WINDS WILL SHIFT TO THE SOUTHEAST AND DECREASE TO TROPICAL STORM
FORCE. WINDS WILL SUBSIDE BELOW TROPICAL STORM FORCE ON FRIDAY
MORNING.

.AGRIHAN...TROPICAL STORM FORCE WINDS HAVE SET IN OVER THE ISLAND.
AS NANGKA IS CURRENTLY FORECAST...TYPHOON FORCE WINDS ARE NOT
LIKELY AS NANGKA WILL KEEP SOUTH OF THE ISLAND. NORTHEAST TROPICAL
STORM FORCE WINDS WILL SHIFT EAST...AND THEN SOUTHEAST BY EARLY
FRIDAY MORNING. WINDS WILL DECREASE BELOW TROPICAL STORM FORCE
LATER FRIDAY MORNING.

...STORM SURGE AND SURF INFORMATION...
SEAS WILL REACH HEIGHTS OF 20 TO 30 FEET THIS AFTERNOON
AS NANGKA APPROACHES. SEAS WILL REMAIN AT THESE HEIGHTS THROUGH
FRIDAY MORNING. SURF AS HIGH AS 25 FEET WILL BEGIN TO SUBSIDE
EARLY FRIDAY MORNING.

COASTAL INUNDATION OF 6 TO 10 FEET CAN BE EXPECTED AS TYPHOON
NANGKA PASSES.

...OTHER STORM EFFECTS...
RAINFALL TOTALS OF 6 TO 10 INCHES ARE LIKELY THROUGH FRIDAY WITH
AMOUNTS IN EXCESS OF 12 INCHES POSSIBLE.

&&

GUZ003-004-091100-
/O.CAN.PGUM.TY.A.0004.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TR.W.0006.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-
315 PM CHST THU JUL 9 2015

...TROPICAL STORM WARNING REMAINS IN EFFECT...
...TYPHOON WATCH IS CANCELLED AS OF 11 AM...

...PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...

DAMAGING WINDS OF 39 MPH OR MORE ARE OCCURRING ON TINIAN AND
SAIPAN AND THEIR ADJACENT COASTAL WATERS. SEAS AND WINDS WILL
CONTINUE TO INCREASE THROUGH THIS EVENING. INTER-ISLAND TRAVEL
WILL BE DANGEROUS. FOLLOW INSTRUCTIONS FROM YOUR LOCAL EMERGENCY
MANAGEMENT OFFICIALS.

&&

...WINDS...
TROPICAL STORM FORCE WEST WINDS AS HIGH AS 40 MPH ARE CONTINUE
THROUGH THIS AFTERNOON. WINDS WILL GRADUALLY SUBSIDE LATER THIS
EVENING.


...STORM SURGE AND STORM TIDE...
DANGEROUS SURF OF 15 TO 18 FEET MAY BUILD EVEN HIGHER TO BETWEEN
17 TO 20 BY THIS EVENING. DANGEROUS SURF WILL BEGIN TO SUBSIDE
LATE TONIGHT AS NANGKA MOVES AWAY.

COASTAL INUNDATION OF 2 TO 4 FEET IS EXPECTED ALONG NORTH AND
EAST FACING SHORES AND THEN SHIFT TO NORTH AND WEST FACING SHORES
LATER THIS AFTERNOON.

...FLOODING...
RAINFALL OF 3 TO 5 INCHES IS STILL POSSIBLE THROUGH FRIDAY. THIS
CAN CAUSE URBAN AND SMALL STREAM FLOODING.

$$

PMZ153-154-091100-
/O.CAN.PGUM.TY.A.0004.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TR.W.0006.000000T0000Z-000000T0000Z/
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
315 PM CHST THU JUL 9 2015

...TROPICAL STORM WARNING REMAINS IN EFFECT...
...TYPHOON WATCH IS CANCELLED AS OF 11 AM...

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE OCCURRING AND ARE EXPECTED UNTIL EARLY
THIS EVENING...ESPECIALLY OVER THE COASTAL WATERS NORTH OF SAIPAN
WHERE GUSTS TO 45 KT ARE POSSIBLE.

SEAS OF 17 TO 20 FEET WILL BUILD TO AROUND 25 FEET EARLY THIS
EVENING AS NANGKA PASSES NORTHWEST OF SAIPAN WATERS.

&&

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

$$

CHAN/M AYDLETT
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