Guam County, Guam
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Watch/Warnings
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Guam County, Guam
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Flash Flood Warning
GUC010-100-300015-
/O.NEW.PGUM.FF.W.0002.140729T2123Z-140730T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TIYAN GU
723 AM CHST WED JUL 30 2014

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A

* FLASH FLOOD WARNING FOR THE ISLANDS OF GUAM AND ROTA...

* UNTIL 1015 AM CHST.

* AT 715 AM CHST...RADAR SHOWED TORRENTIAL RAIN FROM TROPICAL STORM
HALONG CONTINUING OVER GUAM AND ROTA. PERIODS OF HEAVY RAIN ARE
EXPECTED THROUGH THE AFTERNOON HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.

DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON'T DROWN.

&&

RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP
TERRAIN ESPECIALLY ACROSS SOUTHERN GUAM.

THIS WARNING MAY NEED TO BE EXTENDED BEYOND 1015 AM CHST IF FLASH
FLOODING PERSISTS.

LAT...LON 1427 14531 1409 14532 1375 14492 1356 14503
1327 14488 1318 14466 1345 14457 1375 14491
1420 14510

$$

Flash Flood Watch
GUZ001>004-290815-
/X.NEW.PGUM.FF.A.0001.140729T0003Z-140731T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-ROTA-TINIAN-SAIPAN-
1003 AM CHST TUE JUL 29 2014

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A

* FLASH FLOOD WATCH FOR GUAM...ROTA...TINIAN AND SAIPAN.

* NOW THROUGH THURSDAY MORNING.

* RAINFALL OF 3 TO 5 INCHES ARE PROBABLE BY NOON WEDNESDAY.

* STAY AWAY FROM FLOODED ROADS AND PAY ATTENTION TO STREAM AND
RIVER LEVELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

High Surf Advisory
GUZ001>004-300100-
/X.CON.PGUM.SU.Y.0018.000000T0000Z-140802T2000Z/
GUAM-ROTA-TINIAN-SAIPAN-
1056 PM CHST TUE JUL 29 2014

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST SUNDAY...

A HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST SUNDAY...
BUT HAS BEEN SUPERCEDED BY TROPICAL CYCLONE WARNINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID VENTURING NEAR EXPOSED REEFS AND BEACHES...ESPECIALLY THOSE
ALONG ALL REEFS AS RIP CURRENTS ARE LIFE THREATENING. STAY OUT OF
THE WATER.

&&

$$

Tropical Storm Warning
GUZ001-300130-
/X.CON.PGUM.TR.W.0001.000000T0000Z-000000T0000Z/
/X.CON.PGUM.TY.A.0001.000000T0000Z-000000T0000Z/
GUAM-
320 AM CHST WED JUL 30 2014

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

...NEW INFORMATION...
GUAM HAS BEEN PLACED IN CONDITION OF READINESS 2.

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

FINAL ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD BE COMPLETED
BEFORE CONDITIONS DETERIORATE ANY FURTHER. COVER WINDOWS AND
DOORS WITH SHUTTERS OR PLYWOOD. MOVE ALL LOOSE OUTDOOR OBJECTS
INSIDE. BRACE ALL EXTERIOR DOORS.

IF YOU LIVE IN A WOOD OR TIN HOME...LEAVE IT FOR MORE SUBSTANTIAL
SHELTER. IF YOUR HOME IS VULNERABLE TO HIGH WINDS...OR YOU LIVE IN
A SURGE ZONE OR ANY LOCATION PRONE TO FLOODING...EVACUATE TO A
DESIGNATED SHELTER OR RIDE OUT THE STORM IN THE STURDY HOME OF
FAMILY OR FRIENDS.

&&

...WINDS...
AS TROPICAL STORM HALONG (11W) APPROACHES...SUSTAINED TROPICAL
STORM FORCE WINDS ARE EXPECTED TO BEGIN LATE THIS MORNING. MAXIMUM
WINDS ARE FORECAST TO BE IN THE 45 TO 65 MPH RANGE WITH GUSTS TO
80 MPH.

DAMAGING WINDS ARE EXPECTED. HOMES OF OLD OR POOR CONSTRUCTION
WILL HAVE SUBSTANTIAL DAMAGE TO ROOFS...WALLS...AND WINDOWS. SOME
HOMES OF FRAME CONSTRUCTION WILL SUSTAIN PARTIAL WALL AND ROOF
FAILURE...AND POSSIBLY BLOWN OUT WINDOWS. LOOSE OUTDOOR ITEMS
COULD BECOME PROJECTILES...CAUSING ADDITIONAL DAMAGE AND POSSIBLE
INJURY. MANY AREAS WILL EXPERIENCE POWER OUTAGES WITH SOME DOWNED
POWER POLES.

...STORM SURGE AND STORM TIDE...
EASTERN SHORES AND REEFS OF GUAM COULD SEE INUNDATION OF 2 TO 4
FEET...ESPECIALLY NEAR HIGH TIDE WEDNESDAY NIGHT...WHICH IS
AROUND 1021 PM. HAZARDOUS SURF OF 17 TO 20 FEET ON ALL EXPOSURES IS
POSSIBLE AS HALONG PASSES BY.

...OTHER STORM EFFECTS...
GUAM HAS RECEIVED 3.89 INCHES OF RAIN OVER THE PAST 24 HOURS. AN
ADDITIONAL 3 TO 7 INCHES IS POSSIBLE THROUGH THURSDAY EVENING.


$$

Typhoon Watch
GUZ001-300130-
/X.CON.PGUM.TR.W.0001.000000T0000Z-000000T0000Z/
/X.CON.PGUM.TY.A.0001.000000T0000Z-000000T0000Z/
GUAM-
320 AM CHST WED JUL 30 2014

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

...NEW INFORMATION...
GUAM HAS BEEN PLACED IN CONDITION OF READINESS 2.

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

FINAL ACTIONS TO PROTECT LIFE AND PROPERTY SHOULD BE COMPLETED
BEFORE CONDITIONS DETERIORATE ANY FURTHER. COVER WINDOWS AND
DOORS WITH SHUTTERS OR PLYWOOD. MOVE ALL LOOSE OUTDOOR OBJECTS
INSIDE. BRACE ALL EXTERIOR DOORS.

IF YOU LIVE IN A WOOD OR TIN HOME...LEAVE IT FOR MORE SUBSTANTIAL
SHELTER. IF YOUR HOME IS VULNERABLE TO HIGH WINDS...OR YOU LIVE IN
A SURGE ZONE OR ANY LOCATION PRONE TO FLOODING...EVACUATE TO A
DESIGNATED SHELTER OR RIDE OUT THE STORM IN THE STURDY HOME OF
FAMILY OR FRIENDS.

&&

...WINDS...
AS TROPICAL STORM HALONG (11W) APPROACHES...SUSTAINED TROPICAL
STORM FORCE WINDS ARE EXPECTED TO BEGIN LATE THIS MORNING. MAXIMUM
WINDS ARE FORECAST TO BE IN THE 45 TO 65 MPH RANGE WITH GUSTS TO
80 MPH.

DAMAGING WINDS ARE EXPECTED. HOMES OF OLD OR POOR CONSTRUCTION
WILL HAVE SUBSTANTIAL DAMAGE TO ROOFS...WALLS...AND WINDOWS. SOME
HOMES OF FRAME CONSTRUCTION WILL SUSTAIN PARTIAL WALL AND ROOF
FAILURE...AND POSSIBLY BLOWN OUT WINDOWS. LOOSE OUTDOOR ITEMS
COULD BECOME PROJECTILES...CAUSING ADDITIONAL DAMAGE AND POSSIBLE
INJURY. MANY AREAS WILL EXPERIENCE POWER OUTAGES WITH SOME DOWNED
POWER POLES.

...STORM SURGE AND STORM TIDE...
EASTERN SHORES AND REEFS OF GUAM COULD SEE INUNDATION OF 2 TO 4
FEET...ESPECIALLY NEAR HIGH TIDE WEDNESDAY NIGHT...WHICH IS
AROUND 1021 PM. HAZARDOUS SURF OF 17 TO 20 FEET ON ALL EXPOSURES IS
POSSIBLE AS HALONG PASSES BY.

...OTHER STORM EFFECTS...
GUAM HAS RECEIVED 3.89 INCHES OF RAIN OVER THE PAST 24 HOURS. AN
ADDITIONAL 3 TO 7 INCHES IS POSSIBLE THROUGH THURSDAY EVENING.


$$

National Weather Service

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