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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Aviation Weather Warning
GUZ001-050600-

AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
730 AM CHST SUN JUL 5 2015

A THUNDERSTORM ADVISORY IS NOW IN EFFECT FOR GUAM INTERNATIONAL
AIRPORT UNTIL 400 PM THIS AFTERNOON. THUNDERSTORMS ARE EXPECTED
WITHIN 20 NAUTICAL MILES OF THE AIRPORT.

AN AIRPORT WIND ADVISORY IS NOW IN EFFECT FOR GUAM INTERNATIONAL
AIRPORT UNTIL 400 PM THIS AFTERNOON. SUSTAINED WINDS FROM THE WEST-
NORTHWEST OR 290 DEGREES AT 16 TO 20 KNOTS WITH FREQUENT GUSTS TO 30
KNOTS ARE EXPECTED WITHIN 5 NM OF THE AIRPORT.

BE ALERT AND TAKE PRECAUTIONS AS REQUIRED.

$$

Flash Flood Warning
GUC010-100-050445-
/O.NEW.PGUM.FF.W.0005.150704T2257Z-150705T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TIYAN GU
850 AM CHST SUN JUL 5 2015

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A

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

* UNTIL 245 PM CHST

* AT 850 AM CHST...DOPPLER RADAR INDICATED HEAVY SHOWERS ACROSS GUAM
AND ROTA. 6 TO 9 INCHES OF RAIN HAVE ALREADY FALLEN ON GUAM WITH 4
TO 7 INCHES OVER ROTA. FLASH FLOODING IS EXPECTED TO CONTINUE OVER
THE NEXT SEVERAL HOURS.

* ADDITIONAL RAINFALL AMOUNTS OF 3 TO 6 INCHES ARE LIKELY FOR BOTH
ISLANDS IN THE NEXT 3 TO 6 HOURS. FLASH FLOODING IS EXPECTED IN
LOW-LYING AREAS AND NEAR RIVERS AND STREAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF LIVING NEAR RIVERS AND STREAMS...MOVE TO HIGHER GROUND NOW. ACT
QUICKLY TO PROTECT YOUR LIFE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. STAY AWAY FROM
RIVER BANKS AND CULVERTS AS THEY CAN BECOME UNSTABLE AND UNSAFE.

TURN AROUND...DO NOT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES. ONLY 2 FEET OF RUNNING WATER WILL BE
ENOUGH TO CARRY A VEHICLE AWAY.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 1343 14463 1352 14481 1412 14511 1420 14527
1419 14528 1411 14521 1413 14516 1377 14494
1361 14490 1359 14495 1353 14494 1342 14478
1328 14476 1323 14467

$$

Flash Flood Warning
GUC010-100-050445-
/O.NEW.PGUM.FF.W.0006.150704T2258Z-150705T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TIYAN GU
850 AM CHST SUN JUL 5 2015

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A

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

* UNTIL 245 PM CHST

* AT 850 AM CHST...DOPPLER RADAR INDICATED HEAVY SHOWERS ACROSS GUAM
AND ROTA. 6 TO 9 INCHES OF RAIN HAVE ALREADY FALLEN ON GUAM WITH 4
TO 7 INCHES OVER ROTA. FLASH FLOODING IS EXPECTED TO CONTINUE OVER
THE NEXT SEVERAL HOURS.

* ADDITIONAL RAINFALL AMOUNTS OF 3 TO 6 INCHES ARE LIKELY FOR BOTH
ISLANDS IN THE NEXT 3 TO 6 HOURS. FLASH FLOODING IS EXPECTED IN
LOW-LYING AREAS AND NEAR RIVERS AND STREAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF LIVING NEAR RIVERS AND STREAMS...MOVE TO HIGHER GROUND NOW. ACT
QUICKLY TO PROTECT YOUR LIFE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN
IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. STAY AWAY FROM
RIVER BANKS AND CULVERTS AS THEY CAN BECOME UNSTABLE AND UNSAFE.

TURN AROUND...DO NOT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES. ONLY 2 FEET OF RUNNING WATER WILL BE
ENOUGH TO CARRY A VEHICLE AWAY.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 1343 14463 1352 14481 1412 14511 1420 14527
1419 14528 1411 14521 1413 14516 1377 14494
1361 14490 1359 14495 1353 14494 1342 14478
1328 14476 1323 14467

$$

Flash Flood Watch
GUZ001>004-042045-
/O.NEW.PGUM.FF.A.0002.150704T0545Z-150706T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GUAM-ROTA-TINIAN-SAIPAN-
345 PM CHST SAT JUL 4 2015

...FLASH FLOOD WATCH IN EFFECT THROUGH MONDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A

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

* THROUGH MONDAY AFTERNOON

* TROPICAL STORM CHAN-HOM MAY BRING 6 INCHES OR MORE OF RAIN TO
THE MARIANAS TONIGHT THROUGH MONDAY.

* ROADS IN POOR DRAINAGE AREAS COULD BECOME IMPASSABLE. HOUSES
IN LOW-LYING AREAS AND CLOSE TO STREAMS AND RIVERS COULD START
TAKING ON WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED. IF ANY STORM DRAINS NEAR
YOU ARE CLOGGED WITH DEBRIS...CLEAN THEM OUT TO MINIMIZE THE
IMPACTS OF ANY FLOODING. IF LIVE NEAR STREAMS AND RIVERS...PAY
CLOSE ATTENTION TO THE WATER LEVELS.

&&

$$

High Surf Advisory
GUZ001-050900-
/O.CON.PGUM.SU.Y.0025.000000T0000Z-150706T0800Z/
GUAM-
300 AM CHST SUN JUL 5 2015

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM CHST MONDAY...

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND
DANGEROUS SWIMMING CONDITIONS.

&&

$$
Typhoon Watch
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.

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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