[Tropical] Hurricane Local Statement

[EMWIN Server]

WTPQ83 PGUM 082358
HLSPQ3

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

...TYPHOON NANGKA STRENGTHENING AS IT APPROACHES THE NORTHERN
CNMI...

.NEW INFORMATION...
NONE.

.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 THIS
MORNING THROUGH THIS EVENING.

A TYPHOON WATCH REMAINS IN EFFECT FOR SAIPAN...TINIAN AND THEIR
COASTAL WATERS. TYPHOON CONDITIONS ARE STILL POSSIBLE IF NANGKA
WERE TO DEVIATE TO THE SOUTH.

A TYPHOON WARNING REMAINS IN EFFECT FOR AGRIHAN...PAGAN AND ALAMAGAN
ISLANDS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...
ARE EXPECTED FROM EARLY THIS AFTERNOON THROUGH THIS EVENING.

.STORM INFORMATION...
AT 700 AM CHST...2100 UTC...THE EYE OF TYPHOON NANGKA WAS LOCATED
AT LATITUDE 16.7 DEGREES NORTH AND LONGITUDE 147.3 DEGREES EAST.

ABOUT 180 MILES SOUTHEAST OF AGRIHAN
ABOUT 140 MILES SOUTHEAST OF PAGAN
ABOUT 115 MILES SOUTHEAST OF ALAMAGAN
ABOUT 150 MILES NORTHEAST OF SAIPAN
ABOUT 165 MILES NORTHEAST OF TINIAN

NANGKA WAS MOVING WEST-NORTHWEST AT 16 MPH WITH MAXIMUM SUSTAINED
WINDS 140 MPH.

.SITUATION OVERVIEW...
THE CURRENT FORECAST TRACK TAKES TYPHOON NANGKA THROUGH THE
NORTHERN MARIANA ISLANDS JUST SOUTH OF ALAMAGAN LATE THIS
AFTERNOON AND EARLY 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 EXPECTED ACROSS TINIAN AND SAIPAN...ESPECIALLY OVER NORTHERN
SAIPAN WATERS FROM LATE THIS MORNING TO LATE AFTERNOON 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 CONDITIONS ARE SETTING IN NOW OVER THE ISLANDS. THE CURRENT
FORECAST BRINGS THE CENTER OF NANGKA NEAR ALAMAGAN AROUND 5 PM
THIS EVENING...BUT SOME UNCERTAINTY REMAINS IN THE FORECAST TRACK.
AN EYE PASSAGE IS POSSIBLE OVER ALAMAGAN. IF THAT OCCURS...DO NOT
VENTURE OUT FAR FROM SHELTERS AS LIFE-THREATENING WINDS CAN
INCREASE RAPIDLY.

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

...WIND INFORMATION...
AS NANGKA IS CURRENTLY FORECAST...TROPICAL STORM FORCE WINDS HAVE
ALREADY BEGUN AT ALAMAGAN AND PAGAN...AND WILL BEGIN AROUND 1 PM
ON AGRIHAN. TYPHOON FORCE WINDS ARE EXPECTED FROM ABOUT 1 PM TO
8 PM ON ALAMAGAN. AT PAGAN...TYPHOON FORCE WINDS ARE LIKELY
FROM ABOUT 4 PM TO 8 PM. TYPHOON FORCE WINDS ARE NOT EXPECTED AT
AGRIHAN. TROPICAL STORM FORCE WINDS SHOULD LAST UNTIL AROUND 9 AM
FRIDAY MORNING AT ALL THREE ISLANDS. NORTHEAST WINDS ACROSS THE
THREE ISLANDS THIS MORNING WILL SHIFT TO THE EAST AND THEN
SOUTHEAST THIS AFTERNOON. ALAMAGAN COULD EXPERIENCE AN EYE PASSAGE
AND A PERIOD OF RELATIVELY CALM WINDS.

...STORM SURGE AND SURF INFORMATION...
SEAS WILL BUILD QUICKLY AS NANGKA APPROACHES...AND WILL LIKELY
RANGE FROM 20 TO 30 FEET THIS AFTERNOON THROUGH FRIDAY MORNING.
SURF MAY BUILD TO AS HIGH AS 25 FEET.

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.

&&

GUZ003-004-090500-
/O.CON.PGUM.TR.W.0006.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TY.A.0004.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-
958 AM CHST THU JUL 9 2015

...TROPICAL STORM WARNING REMAINS IN EFFECT...
...TYPHOON WATCH REMAINS IN EFFECT...

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

DAMAGING WINDS OF 39 MPH OR MORE ARE EXPECTED 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 EXPECTED FROM
NOON TO LATE THIS AFTERNOON. WINDS WILL GRADUALLY SUBSIDE LATER
THIS EVENING.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET MAY BUILD TO DANGEROUS LEVELS OF
15 TO 18 BY THIS AFTERNOON. DANGEROUS SURF WILL BEGIN TO SUBSIDE
TONIGHT AS NANGKA MOVES AWAY.

COASTAL INUNDATION OF 2 TO 4 FEET IS EXPECTED ALONG NORTH AND
EAST FACING SHORES THIS AFTERNOON AS NANGKA APPROACHES...THEN
SHIFTS TO NORTH AND WEST FACING SHORES EARLY THIS EVENING.

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

$$

PMZ153-154-090500-
/O.CON.PGUM.TR.W.0006.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TY.A.0004.000000T0000Z-000000T0000Z/
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
958 AM CHST THU JUL 9 2015

...TROPICAL STORM WARNING REMAINS IN EFFECT...
...TYPHOON WATCH REMAINS IN EFFECT...

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

SEAS OF 10 TO 12 FEET WILL BUILD TO AROUND 15 FEET EARLY THIS
AFTERNOON AS NANGKA PASSES AND COULD REACH UP TO 20 FEET IN FAR
NORTHERN SAIPAN WATERS.

&&

.NEXT UPDATE...
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE IN TIYAN AROUND 3 PM...OR SOONER IF CONDITIONS WARRANT.

$$

CHAN/M AYDLETT
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