Alert archive / Guam / Typhoon Warnings in 2015

Typhoon Warning 3, NWS Guam

July 4, 2015

NWS Guam issued this typhoon warning at Jul 4, 2015, 3:15 AM CDT. It was in force for 23 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 4, 2015, 3:15 AM CDT (08:15 UTC)
Expired
Jul 5, 2015, 1:57 AM CDT
In force
23 hr
Issued by
NWS Guam

The text

As transmitted, in the capitals the NWS used until 2016.

883 
WTPQ81 PGUM 040719
HLSPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
TROPICAL CYCLONE LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
515 PM CHST SAT JUL 4 2015

...TROPICAL STORM CHAN-HOM SLOWLY MOVING NORTH-NORTHWEST...

.NEW INFORMATION...
A TYPHOON WARNING IS IN EFFECT FOR TINIAN AND SAIPAN.
A TROPICAL STORM WARNING IS IN EFFECT FOR ROTA.

.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS.

.WATCHES/WARNINGS...
A TYPHOON WARNING IS NOW IN EFFECT FOR SAIPAN AND TINIAN AND THEIR
COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR
MORE...ARE EXPECTED WITHIN 24 HOURS.

A TROPICAL STORM WARNING IS NOW IN EFFECT FOR ROTA AND THEIR COASTAL
WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39 TO 73
MPH...ARE EXPECTED WITHIN 24 HOURS.

A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT
COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR
MORE...ARE POSSIBLE WITHIN 48 HOURS.

A FLASH FLOOD WATCH IS IN EFFECT FOR GUAM...ROTA...TINIAN AND SAIPAN.

.STORM INFORMATION...
AT 100 PM CHST...0300 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM
WAS LOCATED NEAR LATITUDE 12.7 DEGREES NORTH AND LONGITUDE 148.2
DEGREES EAST. THIS IS ABOUT 240 MILES EAST-SOUTHEAST OF GUAM...
225 MILES EAST-SOUTHEAST OF ROTA...AND 235 MILES SOUTHEAST OF SAIPAN
AND TINIAN. MAXIMUM SUSTAINED WINDS REMAIN AT 50 MPH. CHAN-HOM IS
MOVING NORTH-NORTHWEST AT 10 MPH.

.SITUATION OVERVIEW...
TROPICAL STORM CHAN-HOM IS EXPECTED TO TURN NORTHWEST TONIGHT AND
BECOME A TYPHOON BEFORE IT PASSES NEAR SAIPAN SUNDAY AFTERNOON OR
EVENING.

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

PUT YOUR DISASTER PREPAREDNESS PLAN INTO ACTION. MAKE SURE YOU
HAVE ENOUGH FOOD AND WATER FOR A FEW DAYS...AS WELL AS FUEL FOR
VEHICLES AND GENERATORS. PREPARE YOUR PROPERTY FOR TROPICAL STORM
OR TYPHOON CONDITIONS...POSSIBLE SUNDAY OR SUNDAY NIGHT. THE
CURRENT FORECAST BRINGS THE CENTER OF CHAN-HOM NEAR SAIPAN SUNDAY
AFTERNOON OR EVENING...BUT UNCERTAINTY REMAINS IN THE FORECAST
TRACK AND INTENSITY. THUS...EVEN THOUGH SAIPAN...TINIAN AND ROTA
ARE THE ONLY LOCATIONS UNDER A WARNING...RESIDENTS OF GUAM SHOULD
STILL PAY CLOSE ATTENTION TO THE LATEST FORECASTS AND ADVISORIES
AND CONTINUE PREPARATIONS. THERE IS STILL TIME FOR UNFORESEEN
CHANGES THAT COULD PUT GUAM AT GREATER RISK.

FOR MARINERS...SAFELY SECURE YOUR CRAFT AND MAKE PLANS TO LEAVE
IT FOR ADEQUATE LAND BASED SHELTER. SMALL CRAFT SHOULD RETURN TO
PORT.

CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN
FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST
INFORMATION.

&&

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

GUZ001-PMZ151-041445-
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
GUAM-GUAM COASTAL WATERS-
515 PM CHST SAT JUL 4 2015

...TYPHOON WATCH REMAINS IN EFFECT...

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

CONTINUE PREPARATIONS FOR THE POSSIBILITY OF TROPICAL STORM
CONDITIONS IF CHAN-HOM'S TRACK CHANGES. LISTEN FOR UPDATED FORECASTS
AND STATEMENTS AND POSSIBLE WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE SUNDAY AFTERNOON OR EVENING.
WINDS WILL SUBSIDE LATE SUNDAY NIGHT AND MONDAY.

SEAS OF 10 TO 12 FEET ARE EXPECTED THROUGH MONDAY.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET TONIGHT MAY BUILD TO 11 TO 14 FEET
SUNDAY AFTERNOON.

...INLAND FLOODING...
A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS
POSSIBLE THROUGH SUNDAY NIGHT.

$$

GUZ002-PMZ152-041445-
/O.NEW.PGUM.TR.W.0004.150704T0631Z-000000T0000Z/
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
ROTA-ROTA COASTAL WATERS-
515 PM CHST SAT JUL 4 2015

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

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

CONTINUE PREPARATIONS FOR TROPICAL STORM CONDITIONS...EXPECTED BY SUNDAY
AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT
OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE EXPECTED ON SUNDAY...AND TYPHOON FORCE
WINDS ARE POSSIBLE LATE SUNDAY IF CHAN-HOM SHIFTS ITS TRACK SOUTHWARD.
WINDS WILL SUBSIDE LATE SUNDAY NIGHT AND MONDAY.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP
TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET TODAY MAY BUILD TO DANGEROUS
LEVELS OF 17 TO 22 FEET SUNDAY EVENING ESPECIALLY ACROSS TINIAN
AND SAIPAN. DANGEROUS SURF WILL SUBSIDE BY MONDAY MORNING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.

...INLAND FLOODING...
A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS
POSSIBLE THROUGH SUNDAY NIGHT.

$$

GUZ003-004-PMZ153-154-041445-
/O.NEW.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
515 PM CHST SAT JUL 4 2015

...TYPHOON WARNING IS IN EFFECT...

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

COMPLETE PREPARATIONS FOR TYPHOON CONDITIONS...EXPECTED BY SUNDAY
AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT
OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE EXPECTED ON SUNDAY...AND TYPHOON FORCE
WINDS ARE LIKELY LATE SUNDAY AS CHAN-HOM PASSES NEAR SAIPAN. WINDS WILL
SUBSIDE LATE SUNDAY NIGHT AND MONDAY.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP
TO 20 FEET SUNDAY AFTERNOON NEAR THE CENTER.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET WILL BUILD TO DANGEROUS LEVELS OF 15 TO
20 FEET SUNDAY AFTERNOON AND EVENING. DANGEROUS SURF WILL SUBSIDE BY
MONDAY MORNING.

COASTAL INUNDATION OF 2 TO 3 FEET IS EXPECTED ALONG EAST FACING SHORES
AS CHAN-HOM APPROACHES.

...INLAND FLOODING...
A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS
POSSIBLE THROUGH SUNDAY NIGHT.

$$
4 follow-up statements
886 
WTPQ81 PGUM 041343
HLSPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
TROPICAL STORM CHAN-HOM (09W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
1143 PM CHST SAT JUL 4 2015

...TROPICAL STORM CHAN-HOM NEARLY STATIONARY...

.AREAS AFFECTED...
 THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS.

.WATCHES/WARNINGS...
A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND
THEIR COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74
MPH OR MORE...ARE EXPECTED WITHIN 24 HOURS.

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND THEIR
COASTAL WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39
TO 73 MPH...ARE EXPECTED WITHIN 24 HOURS.

A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT
COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR
MORE...ARE POSSIBLE WITHIN 48 HOURS.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN
AND SAIPAN.

.STORM INFORMATION...
AT 10 PM CHST...THE CENTER OF TROPICAL STORM CHAN-HOM (09W) WAS
LOCATED NEAR LATITUDE 13.5N...LONGITUDE 146.4E...OR ABOUT 90 MILES
EAST-SOUTHEAST OF ROTA...ABOUT 130 MILES EAST OF GUAM AND 120
MILES SOUTH-SOUTHEAST OF TINIAN AND SAIPAN. MAXIMUM SUSTAINED
WINDS REMAIN AT 50 MPH. CHAN-HOM IS NEARLY STATIONARY

.SITUATION OVERVIEW...
LATEST RADAR IMAGERY INDICATES THAT THE CENTER HAS SLOWED TO THE
EAST OF GUAM. HOWEVER...CHAN-HOM IS EXPECTED TO RESUME MOVING
NORTHWEST LATER TONIGHT. CHAN-HOM IS EXPECTED TO CONTINUE IN THIS
DIRECTION ALTHOUGH SOME ERRATIC MOTION IS STILL POSSIBLE OVER THE
NEXT 12 TO 24 HOURS.

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

YOUR DISASTER PREPAREDNESS PLAN SHOULD BE COMPLETED. STAY
INDOORS IN A STURDY STRUCTURE UNTIL WINDS HAVE SUBSIDED SUNDAY OR
SUNDAY NIGHT. UNCERTAINTY REMAINS IN THE FORECAST TRACK AND
INTENSITY.

THUS...EVEN THOUGH SAIPAN...TINIAN AND ROTA ARE THE ONLY
LOCATIONS UNDER A WARNING...RESIDENTS OF GUAM SHOULD STILL PAY
CLOSE ATTENTION TO THE LATEST FORECASTS AND ADVISORIES AND
CONTINUE PREPARATIONS. THERE IS STILL TIME FOR UNFORESEEN CHANGES
THAT COULD PUT GUAM AT GREATER RISK.

FOR MARINERS...SAFELY SECURE YOUR CRAFT AND LEAVE IT FOR ADEQUATE
LAND BASED SHELTER. SMALL CRAFT SHOULD REMAIN IN PORT.

CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN
FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST
INFORMATION.

&&

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

GUZ001-PMZ151-042000-
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
GUAM-GUAM COASTAL WATERS-
1143 PM CHST SAT JUL 4 2015

...TYPHOON WATCH REMAINS IN EFFECT...

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

CONTINUE PREPARATIONS FOR THE POSSIBILITY OF TROPICAL STORM CONDITIONS
IF CHAN-HOM'S TRACK CHANGES. LISTEN FOR UPDATED FORECASTS AND
STATEMENTS AND POSSIBLE WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT.
WINDS WILL SUBSIDE MONDAY.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP
TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO
10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH
FACING REEFS THROUGH MONDAY.

...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6
INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT.

$$

GUZ002-PMZ152-042000-
/O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
ROTA-ROTA COASTAL WATERS-
1143 PM CHST SAT JUL 4 2015

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

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

 CONTINUE PREPARATIONS FOR TROPICAL STORM CONDITIONS...EXPECTED BY SUNDAY
AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT
OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE EXPECTED ON SUNDAY AND SUNDAY
NIGHT.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP
TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO
10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH
FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS
LEVELS OF 12 TO 15 FEET SUNDAY EVENING. SURF WILL SUBSIDE BY
MONDAY EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.

...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6
INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT.

$$

GUZ003-004-PMZ153-154-042000-
/O.CAN.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
1143 PM CHST SAT JUL 4 2015

...TYPHOON WARNING REMAINS IN EFFECT...

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

FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT
OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE SUNDAY AND SUNDAY NIGHT.
SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP
TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO
10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH
FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS
LEVELS OF 12 TO 15 FEET SUNDAY EVENING. SURF WILL SUBSIDE BY
MONDAY EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.

...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6
INCHES OR MORE IS POSSIBLE THROUGH SUNDAY NIGHT.


$$
578 
WTPQ81 PGUM 041903
HLSPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
TROPICAL STORM CHAN-HOM (09W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
503 AM CHST SUN JUL 5 2015

...TROPICAL STORM CHAN-HOM JUST EAST OF GUAM COASTAL WATERS...

.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS. 

.WATCHES/WARNINGS...
A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND
THEIR COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74
MPH OR MORE...ARE EXPECTED WITHIN 24 HOURS.

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND THEIR
COASTAL WATERS. TROPICAL STORM CONDITIONS...INCLUDING WINDS OF 39
TO 73 MPH...ARE EXPECTED WITHIN 24 HOURS.

A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT
COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR
MORE...ARE POSSIBLE WITHIN 48 HOURS. 

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN
AND SAIPAN.

A FLASH FLOOD WARNING IS IN EFFECT FOR GUAM AND ROTA.

.STORM INFORMATION...
AT 4 AM CHST...THE CENTER OF TROPICAL STORM CHAN-HOM (09W) WAS
LOCATED NEAR LATITUDE 13.8N...LONGITUDE 145.7E...OR ABOUT 40 MILES
EAST-SOUTHEAST OF ROTA....ABOUT 65 MILES NORTHEAST OF GUAM...ABOUT
85 MILES SOUTH OF TINIAN...AND 90 MILES SOUTH OF SAIPAN.

STORM MOTION WAS WEST-NORTHWEST AT 8 MPH. STORM INTENSITY WAS 45
MPH.

.SITUATION OVERVIEW...
LATEST RADAR IMAGERY INDICATES THAT THE CENTER 
IS SLOWLY MOVING TO THE WEST-NORTHWEST AT 8 MPH. CHAN-HOM IS EXPECTED 
TO TURN TO THE NORTHWEST LATER TODAY BUT ADDITIONAL WOBBLES IN STORM 
MOVEMENT ARE EXPECTED THROUGH THE MORNING.

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

YOUR DISASTER PREPAREDNESS PLAN SHOULD BE COMPLETED. STAY
INDOORS IN A STURDY STRUCTURE UNTIL WINDS HAVE SUBSIDED SUNDAY OR
SUNDAY NIGHT. UNCERTAINTY REMAINS IN THE FORECAST TRACK AND
INTENSITY.

EVEN THOUGH SAIPAN...TINIAN AND ROTA ARE THE ONLY LOCATIONS UNDER
A WARNING...RESIDENTS OF GUAM SHOULD STILL PAY CLOSE ATTENTION TO
THE LATEST FORECASTS AND ADVISORIES AND CONTINUE PREPARATIONS.
THERE IS STILL TIME FOR UNFORESEEN CHANGES THAT COULD PUT GUAM AT
GREATER RISK.

FOR MARINERS...SAFELY SECURE YOUR CRAFT AND LEAVE IT FOR ADEQUATE
LAND BASED SHELTER. SMALL CRAFT SHOULD REMAIN IN PORT.

CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN
FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST
INFORMATION.
&&

.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-PMZ151-050300-
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
GUAM-GUAM COASTAL WATERS-
503 AM CHST SUN JUL 5 2015

...TYPHOON WATCH REMAINS IN EFFECT...

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

COMPLETE PREPARATIONS FOR THE POSSIBILITY OF TROPICAL STORM
CONDITIONS IF CHAN-HOM'S TRACK CHANGES. LISTEN FOR UPDATED
FORECASTS AND STATEMENTS AND POSSIBLE WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE TODAY AND TONIGHT. WINDS
WILL SUBSIDE MONDAY.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP 
TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO
10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH 
FACING REEFS THROUGH MONDAY.

...FLOODING... A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING IS
IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH TONIGHT.

$$

GUZ002-PMZ152-050300-
/O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
ROTA-ROTA COASTAL WATERS-
503 AM CHST SUN JUL 5 2015

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

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

COMPLETE PREPARATIONS FOR TROPICAL STORM CONDITIONS...EXPECTED BY
THIS AFTERNOON. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY
MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR
WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE EXPECTED ON TODAY AND TONIGHT.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP 
TO 15 FEET SUNDAY AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO
10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH 
FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS
LEVELS OF 12 TO 15 FEET THIS AFTERNOON AND EVENING. SURF WILL
SUBSIDE BY MONDAY EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.

...FLOODING... A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING IS
IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS POSSIBLE THROUGH SUNDAY
NIGHT.

$$

GUZ003-004-PMZ153-154-050300-
/O.CON.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
503 AM CHST SUN JUL 5 2015

...TYPHOON WARNING REMAINS IN EFFECT...

...PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT
OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE TODAY AND TONIGHT. SEAS
OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD REACH UP
TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM PASSES.

...STORM SURGE AND STORM TIDE...
HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...8 TO
10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON NORTH 
FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO DANGEROUS
LEVELS OF 12 TO 15 FEET SUNDAY EVENING. SURF WILL SUBSIDE BY
MONDAY EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.

...FLOODING... A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6
INCHES OR MORE IS POSSIBLE THROUGH TONIGHT.

$$


$$

ZIOBRO
403 
WTPQ81 PGUM 050009
HLSPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
TROPICAL CYCLONE LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
1009 AM CHST SUN JUL 5 2015

...TROPICAL STORM CHAN-HOM PASSING OVER ROTA...

.NEW INFORMATION...
NONE

.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS.

.WATCHES/WARNINGS...
A TYPHOON WARNING REMAINS IN EFFECT FOR SAIPAN AND TINIAN AND
THEIR COASTAL WATERS.

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND ROTA
COASTAL WATERS.

A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM AND ROTA AND ADJACENT
COASTAL WATERS.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN
AND SAIPAN.

A FLASH FLOOD WARNING IS IN EFFECT FOR GUAM AND ROTA.

PLEASE CHECK THE LATEST PUBLIC AND MARINE FORECASTS FOR DETAILED
INFORMATION ABOUT ANY ADDITIONAL HAZARDS.

.STORM INFORMATION...
AT 9 AM CHST...THE CENTER OF TROPICAL STORM CHAN-HOM WAS LOCATED
BY RADAR NEAR LATITUDE 14.1N...LONGITUDE 145.1E. THIS IS OVER THE
SOUTHWEST TIP OF ROTA...50 MILES NORTH-NORTHEAST OF GUAM...70 MILES
SOUTH-SOUTHWEST OF TINIAN AND 80 MILES SOUTH-SOUTHWEST OF SAIPAN.
CHAN-HOM WAS MOVING NORTHWEST AT 10 MPH WITH MAXIMUM SUSTAINED
WINDS OF 45 MPH.

.SITUATION OVERVIEW...
CHAN-HOM IS PASSING NORTHWEST ACROSS ROTA...AND IS EXPECTED TO
CONTINUE THIS MOTION TODAY AND TONIGHT.

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

STAY INDOORS IN A STURDY STRUCTURE UNTIL WINDS HAVE SUBSIDED
TONIGHT OR MONDAY MORNING.

RESIDENTS OF GUAM SHOULD STILL PAY CLOSE ATTENTION TO THE LATEST
FORECASTS AND ADVISORIES AND MAINTAIN READINESS AS LONG AS A
TYPHOON WATCH IS IN EFFECT. SMALL CRAFT SHOULD REMAIN IN PORT.

CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION.

&&

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

GUZ001-PMZ151-050815-
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
GUAM-GUAM COASTAL WATERS-
1009 AM CHST SUN JUL 5 2015

...TYPHOON WATCH REMAINS IN EFFECT...

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

A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR
AREA. MAINTAIN READINESS FOR THE POSSIBILITY OF TROPICAL STORM
CONDITIONS. LISTEN FOR UPDATED FORECASTS AND STATEMENTS AND
POSSIBLE WARNINGS.

&&

...WINDS AND SEAS...
NORTHWEST WINDS OF 25 TO 35 MPH WILL SHIFT TO WEST THIS AFTERNOON
AND TO SOUTHWEST TONIGHT. WINDS WILL DIMINISH EARLY MONDAY.

SEAS OF 10 TO 12 FEET WILL PERSIST INTO MONDAY.

...STORM SURGE AND STORM TIDE...
EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...
8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON
NORTH FACING REEFS THROUGH MONDAY.

...FLOODING...
A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING ARE IN EFFECT.
ADDITIONAL RAINFALL UP 6 INCHES OR MORE IS POSSIBLE THROUGH
TONIGHT.

$$

GUZ002-PMZ152-050815-
/O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
ROTA-ROTA COASTAL WATERS-
1009 AM CHST SUN JUL 5 2015

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

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

A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR
AREA. MAINTAIN READINESS FOR TROPICAL STORM CONDITIONS. FOLLOW
INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS.
LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
SOUTHWEST WINDS AT 35 TO 45 MPH ARE EXPECTED THIS AFTERNOON.
WINDS WILL DIMINISH TO 25 TO 35 MPH TONIGHT.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD
REACH UP TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM
PASSES.

...STORM SURGE AND STORM TIDE...
EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...
8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON
NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO
DANGEROUS LEVELS OF 12 TO 15 FEET THIS AFTERNOON AND EVENING.
SURF WILL SUBSIDE BY MONDAY EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED AS CHAN-HOM
PASSES.

...FLOODING...
A FLASH FLOOD WATCH AND A FLASH FLOOD WARNING ARE IN EFFECT.
ADDITIONAL RAINFALL UP 6 INCHES OR MORE IS POSSIBLE THROUGH
TONIGHT.

$$

GUZ003-004-PMZ153-154-050815-
/O.CON.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
1009 AM CHST SUN JUL 5 2015

...TYPHOON WARNING REMAINS IN EFFECT...

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

FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY MANAGEMENT
OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR WARNINGS.

&&

...WINDS AND SEAS...
SOUTHEAST WINDS AT 30 TO 40 MPH ARE EXPECTED THIS AFTERNOON.
WINDS WILL DIMINISH TO 25 TO 35 MPH TONIGHT.

SEAS OF 10 TO 12 FEET WILL BUILD AS CHAN-HOM NEARS AND COULD
REACH UP TO 15 FEET THIS AFTERNOON AND EVENING AS CHAN-HOM
PASSES.

...STORM SURGE AND STORM TIDE...
EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...
8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON
NORTH FACING REEFS THROUGH MONDAY. SURF MAY BRIEFLY BUILD TO
DANGEROUS LEVELS OF 12 TO 15 FEET THIS EVENING. SURF WILL SUBSIDE
BY MONDAY EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM PASSES.

...FLOODING...
A FLASH FLOOD WATCH IS IN EFFECT. RAINFALL OF 6 INCHES OR MORE IS
POSSIBLE THROUGH TONIGHT.

$$
709 
WTPQ81 PGUM 050557
HLSPQ1

URGENT - IMMEDIATE BROADCAST REQUESTED
TROPICAL STORM CHAN-HOM (09W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
357 PM CHST SUN JUL 5 2015

...TROPICAL STORM CHAN-HOM PASSING OVER ROTA...

.NEW INFORMATION...
TYPHOON WARNING FOR TINIAN AND SAIPAN IS CANCELLED.
TYPHOON WATCH FOR GUAM AND ROTA IS CANCELLED.
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR GUAM.

.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS.

.WATCHES/WARNINGS...
THE TYPHOON WARNING FOR SAIPAN AND TINIAN IS CANCELLED.

THE TYPHOON WATCH FOR GUAM AND ROTA IS CANCELLED.

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ROTA AND ROTA
WATERS.

A TROPICAL STORM WARNING IS NOW IN EFFECT FOR GUAM AND GUAM
WATERS.

THE FLASH FLOOD WATCH FOR TINIAN AND SAIPAN IS CANCELLED.

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR GUAM AND ROTA.

A FLASH FLOOD WARNING IS IN EFFECT FOR GUAM AND ROTA.

PLEASE CHECK THE LATEST PUBLIC AND MARINE FORECASTS FOR DETAILED
INFORMATION ABOUT ANY ADDITIONAL HAZARDS FOR TINIAN AND SAIPAN.

.STORM INFORMATION...
AT 100 PM CHST...0300 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM
WAS LOCATED BY RADAR IN THE ROTA CHANNEL NEAR LATITUDE 13.9
DEGREES NORTH AND LONGITUDE 144.9 DEGREES EAST. THIS IS ABOUT
25 MILES NORTH-NORTHEAST OF GUAM...30 MILES SOUTHWEST OF
ROTA...95 MILES SOUTH-SOUTHWEST OF TINIAN AND 105 MILES SOUTH-
SOUTHWEST OF SAIPAN.

.SITUATION OVERVIEW...
TROPICAL STORM CHAN-HOM HAS STALLED IN THE ROTA CHANNEL THE LAST
TWO HOURS...BUT IS NOW SHOWING INDICATIONS OF LOOPING COUNTER-
CLOCKWISE BEFORE HEADING OUT SLOWLY TO THE NORTHWEST.

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

CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION.

&&

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

GUZ001-PMZ151-051400-
/O.UPG.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
/O.EXA.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/
GUAM-GUAM COASTAL WATERS-
357 PM CHST SUN JUL 5 2015

...TROPICAL STORM WARNING IN EFFECT...

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

A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR
AREA. MAINTAIN READINESS FOR TROPICAL STORM CONDITIONS. STAY AWAY
FROM COASTLINES. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY
MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR
WARNINGS.

&&

...WINDS AND SEAS...
SOUTHWEST WINDS AT 35 TO 45 MPH ARE EXPECTED THROUGH THIS EVENING.
WINDS WILL DIMINISH TO 25 TO 35 MPH LATE TONIGHT.

SEAS OF 10 TO 13 FEET WILL PERSIST THROUGH TONIGHT.

...STORM SURGE AND STORM TIDE...
EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...
8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON
NORTH FACING REEFS THROUGH MONDAY. SURF WILL SUBSIDE BY MONDAY
EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS POSSIBLE AS CHAN-HOM PASSES.

...FLOODING...
A FLASH FLOOD WARNING IS IN EFFECT. ADDITIONAL RAINFALL OF 2 TO
4 INCHES IS POSSIBLE THROUGH TONIGHT.

&&

$$

GUZ002-PMZ152-051400-
/O.CAN.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
/O.CON.PGUM.TR.W.0004.000000T0000Z-000000T0000Z/
ROTA-ROTA COASTAL WATERS-
357 PM CHST SUN JUL 5 2015

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

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

A FLASH FLOOD WARNING IS IN EFFECT. BE ALERT FOR FLOODING IN YOUR
AREA. MAINTAIN READINESS FOR TROPICAL STORM CONDITIONS. STAY AWAY
FROM COASTLINES. FOLLOW INSTRUCTIONS ISSUED BY YOUR LOCAL EMERGENCY
MANAGEMENT OFFICIALS. LISTEN FOR UPDATED FORECASTS...STATEMENTS OR
WARNINGS.

&&

...WINDS AND SEAS...
SOUTH WINDS AT 35 TO 45 MPH ARE EXPECTED THROUGH THIS EVENING.
WINDS WILL DIMINISH TO 25 TO 35 MPH LATE TONIGHT.

SEAS OF 10 TO 13 FEET WILL PERSIST THROUGH TONIGHT.

...STORM SURGE AND STORM TIDE...
EXPECT HAZARDOUS SURF OF 10 TO 12 FEET ON EAST FACING REEFS...
8 TO 10 FEET ON SOUTH AND WEST FACING REEFS AND 6 TO 9 FEET ON
NORTH FACING REEFS THROUGH MONDAY. SURF WILL SUBSIDE BY MONDAY
EVENING.

COASTAL INUNDATION OF 1 TO 2 FEET IS POSSIBLE AS CHAN-HOM PASSES.

...FLOODING...
A FLASH FLOOD WARNING IS IN EFFECT. ADDITIONAL RAINFALL OF 2 TO
4 INCHES IS POSSIBLE THROUGH TONIGHT.

$$

GUZ003-004-PMZ153-154-050700-
/O.CAN.PGUM.TY.W.0003.000000T0000Z-000000T0000Z/
TINIAN-SAIPAN-TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
357 PM CHST SUN JUL 5 2015

...TYPHOON WARNING IS CANCELLED...

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

STAY AWAY FROM EXPOSED REEFS AND BEACHES UNTIL HAZARDOUS SURF
SUBSIDES. OPERATORS OF SMALL CRAFT SHOULD STAY IN PORT.

&&

...WINDS AND SEAS...
SOUTHWEST WINDS AT 25 TO 30 MPH ARE EXPECTED TONIGHT...DIMINISHING
ON MONDAY.

SEAS OF 11 TO 14 FEET TONIGHT WILL FALL TO 10 TO 11 FEET ON
MONDAY.

...STORM SURGE AND STORM TIDE...
FOR DETAILS ON HAZARDOUS SURF...SEE THE LATEST HIGH SURF ADVISORY.


...FLOODING...
THE FLASH FLOOD WATCH HAS BEEN CANCELLED. TO FURTHER HEAVY RAIN IS
EXPECTED.

$$

What forecasters said that day

The local office's own words before this typhoon warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Guam wrote its last area forecast discussion before this typhoon warning went out at Jul 4, 3:00 AM CDT, 15 minutes earlier.

Area forecast discussion, Jul 4, 3:00 AM CDT, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
600 PM CHST SAT JUL 4 2015

.SYNOPSIS...
TS CHAN-HOM IS CENTERED ABOUT 190 MILES EAST OF GUAM NEAR 13.2N
AND 147.6E. WHILE CHAN-HOM APPEARED TO BE GETTING ORGANIZED AT
LAST THIS MORNING...ITS SATELLITE SIGNATURE HAS ONCE AGAIN
DETERIORATED THIS AFTERNOON AS IT RUNS AFOUL OF AN UPPER-LEVEL LOW
OVER THE MARIANAS. BUT SATELLITE AND RADAR SHOW PLENTY OF CLOUDS
AND SHOWERS MOVING INTO THE MARIANAS.

&&

.DISCUSSION...
WITH THE FORECAST BASED ON THE 1 PM WARNING FROM JTWC...HAVE
ISSUED A TY WARNING FOR TINIAN AND SAIPAN...AND A TS WARNING FOR
ROTA. CHAN-HOM SHOULD PASS SAIPAN AROUND 4 PM SUNDAY AFTERNOON.
OF COURSE...TYPHOON CONDITIONS FOR TINIAN-SAIPAN ARE PREDICATED ON
CHAN-HOM ACTUALLY ACHIEVING TYPHOON STATUS...AND AS IT CURRENTLY
LOOKS ON SATELLITE THAT DOES NOT SEEM VERY LIKELY. MUCH DEPENDS ON
HOW CHAN-HOM COPES WITH THE EFFECTS OF THE UPPER LOW OVERNIGHT. IN
ANY CASE...IT APPEARS ALL THE ISLANDS WILL GET PLENTY OF RAIN
TONIGHT THROUGH SUNDAY NIGHT...PROMPTING THE FLASH FLOOD WATCH NOW
IN EFFECT.

&&

.EASTERN MICRONESIA...
TROPICAL STORM NANGKA CONTINUES TO MOVE AWAY FROM MAJURO TOWARDS
ENEWETAK ATOLL. THE TROPICAL STORM WARNING IS NO LONGER IN EFFECT
FOR WOTJE AND UTIRIK ATOLLS BUT A TYPHOON WATCH FOR ENEWETAK ATOLL
AND A TROPICAL STORM WATCH CONTINUES FOR KWAJALEIN AND UJAE ATOLLS.
EXPECT STEADILY IMPROVING CONDITIONS OVER THE NEXT COUPLE OF DAYS AT
MAJURO AS NANGKA MOVES AWAY. A DRIER PATTERN IS EXPECTED AT MAJURO
NEXT WEEK WITH A TRADE-WIND PATTERN TRYING TO ESTABLISH ITSELF
ACROSS THE REGION BY THE MIDDLE OF NEXT WEEK. MONSOON-RELATED
SHOWERS AND THUNDERSTORMS ARE PROGGED TO STAY PRIMARILY NORTH OF
KOSRAE FOR THE NEXT SEVERAL DAYS. UNSETTLED WEATHER MAY AFFECT
POHNPEI SUNDAY NIGHT INTO MONDAY NIGHT AS NANGKA MOVES NORTH OF
POHNPEI AND CAUSES A ZONE OF LOW-LEVEL CONVERGENCE TO DEVELOP SOUTH
OF THE TROPICAL STORM OVER POHNPEI. DRIER CONDITIONS WILL RESUME
TUESDAY THROUGH THURSDAY AT POHNPEI AS THE INFLUENCE OF NANGKA WANES
AS IT MOVES NORTH OF CHUUK STATE.

SEA CONDITIONS REMAINS HAZARDOUS FOR POHNPEI AND MAJURO WHILE SEAS
HAVE FALLEN AT KOSRAE ENOUGH TO DROP THE HEADLINE IN THE KOSRAE
FORECAST. SURF WILL GRADUALLY FALL OVER THE NEXT 24 HOURS AND SHOULD
FALL BELOW HAZARDOUS LEVELS AT ALL LOCATIONS BY SUNDAY NIGHT AS
MONSOON GENERATED SWELL AND WIND WAVES DIMINISH.

&&

.WESTERN MICRONESIA...
THE 00Z CHUUK SOUNDING SHOWS IMPRESSIVE 50 KT SOUTHWEST MONSOON FLOW
WITHIN A LAYER FROM 2800 TO 6000 FT AGL. SATELLITE IMAGERY AND ASCAT
DATA SHOW THIS EVENT CONTINUING THROUGH THE AFTERNOON HOURS.
MODELS DO DECREASE WINDS OVER CHUUK TONIGHT AND TOMORROW BUT CHUUK
OBSERVATIONS INDICATE A RELATIVELY HIGH VERTICAL SHEARED ENVIRONMENT
OVER CHUUK WATERS. THUS...HAVE ADDED A WIND SHEAR GROUP AND
INDICATED HIGHER GUSTS IN SHOWERS IN THE FORECAST FOR TONIGHT.
WEATHER WILL IMPROVE SUNDAY AND SUNDAY NIGHT BUT SCATTERED SHOWERS
ARE EXPECTED TO RETURN MONDAY AND TUESDAY AS EFFECTS FROM NANGKA
BECOME REALIZED.

RIDGING WILL KEEP MAINLY DRY WEATHER OVER KOROR THROUGH THE NEXT
SEVERAL DAYS. YAP WEATHER WILL REMAIN UNDER RATHER UNSETTLED WEATHER
FOR THE NEXT COUPLE OF DAYS. DRIER CONDITIONS WILL RESUME TUESDAY AS
CHAN-HOM MOVES INTO THE PHILIPPINE SEA AND DRAGS ACTIVE
MONSOON WEATHER NORTH OF YAP.

FRESH TO OCCASIONALLY STRONG MONSOON FLOW WILL KEEP SWELL AND WIND
WAVES HIGH ENOUGH TO PROLONG HAZARDOUS SURF AT YAP AND KOROR THROUGH
AT LEAST SUNDAY NIGHT. SEAS WILL FALL GRADUALLY OVER THE REST OF THE
WEEKEND ALLOWING THE SMALL CRAFT ADVISORY HEADLINE TO EXPIRE OR BE
CANCELLED BY SUNDAY NIGHT.

THE STRONG MONSOON FLOW WEST OF CHUUK STATE WILL PROMOTE CONTINUED
SWELL GENERATION AND WIND WAVES CAUSING HAZARDOUS SURF TO CONTINUE
ALONG SOUTH AND WEST FACING REEFS THROUGH AT LEAST SUNDAY NIGHT.

&&

.GUM WATCHES/WARNINGS/ADVISORIES...
GU...TYPHOON WATCH FOR GUZ001-002.

     FLASH FLOOD WATCH THROUGH MONDAY AFTERNOON FOR GUZ001>004.

     TROPICAL STORM WARNING FOR GUZ002.

     TYPHOON WARNING FOR GUZ003-004.

MARIANAS WATERS...TYPHOON WATCH FOR PMZ151-152.

     TROPICAL STORM WARNING FOR PMZ152.

     TYPHOON WARNING FOR PMZ153-154.

&&

MIDDLEBROOKE/WILLIAMS

The office that day

Everything else NWS Guam issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 12:45 AM CDTFlash Flood WatchGUM50 hr
Jul 4, 1:31 AM CDTTropical Storm WarningGUM32 hr
Jul 4, 6:38 AM CDTSmall Craft AdvisoryGUM6 hr
Jul 4, 6:38 AM CDTSmall Craft AdvisoryGUM19 hr
Jul 4, 7:51 AM CDTHigh Surf AdvisoryGUM17 hr
Jul 4, 11:18 AM CDTAreal Flood AdvisoryGUM3 hr
Jul 4, 1:36 PM CDTFlash Flood WarningGUM5 hr
Jul 4, 5:57 PM CDTFlash Flood WarningGUM6 hr
Jul 4, 5:58 PM CDTFlash Flood WarningGUM6 hr

Nearby

Typhoon Warnings in Guam, 2015Every typhoon warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.