Flash Flood Warning 1, NWS Guam

971 
WGMY70 PGUM 280332
FFSMY 
GUC100-110-120-280445-
/O.CON.PGUM.FF.W.0001.120828T0150Z-120828T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TIYAN GU
132 PM CHST TUE AUG 28 2012

...FLASH FLOOD WARNING IS CANCELLED FOR ROTA...
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR TINIAN AND SAIPAN UNTIL 
245 PM CHST...

AT 1320 CHST...DOPPLER RADAR AND SATELLITE IMAGERY SHOW THAT HEAVY 
RAIN AND THUNDERSTORMS HAVE MOVED AWAY FROM ROTA WHILE TORRENTIAL 
RAIN SHOWERS CONTINUE TO FALL ACROSS TINIAN AND SAIPAN.

SAIPAN AIRPORT OBSERVIATIONS INDICATE MORE THAN AN INCH OF RAIN HAS 
FALLEN IN THE PAST 2 HOURS. SAIPAN EMERGENCY MANAGEMENT OFFICIALS 
HAVE ALSO REPORTING FLOODING IN NUMEROUS LOCATIONS ACROSS SAIPAN.

AN ADDITIONAL 2 TO 4 INCHES OF RAIN ARE EXPECTED AT TINIAN AND 
SAIPAN THROUGH 245 PM. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN LOW-LYING AREAS MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1489 14575 1471 14553 1508 14551
      1535 14572 1532 14588

$$

SIMPSON/AYDLETT

547 
WGMY70 PGUM 280447
FFSMY 
GUC100-110-120-280545-
/O.CAN.PGUM.FF.W.0001.120828T0150Z-120828T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
247 PM CHST TUE AUG 28 2012

...FLASH FLOOD WARNING IS NO LONGER IN EFFECT FOR TINIAN AND 
SAIPAN...

AT 240 PM CHST...DOPPLER RADAR AND SATELLITE IMAGERY SHOW THAT HEAVY 
RAIN AND THUNDERSTORMS HAVE PUSHED OFF TO THE EAST AND NORTH OF 
SAIPAN WHILE LIGHT TO MODERATE RAIN CONTINUES ACROSS TINIAN AND 
SAIPAN.

SAIPAN AIRPORT OBSERVATIONS INDICATE AROUND AN INCH AND HALF OF RAIN 
HAS FALLEN IN THE PAST 3 HOURS. SAIPAN EMERGENCY MANAGEMENT 
OFFICIALS HAVE ALSO REPORTED SOME FLOODING OF STREETS IN VARIOUS 
LOCATIONS ACROSS SAIPAN. 

RAIN IS EXPECTED TO CONTINUE FALLING UNTIL AROUND 600 PM WITH 
ADDITIONAL ACCUMULATIONS OF UP TO AN INCH. THESE SLOWER RAINFALL 
RATES WILL ALLOW FLOODED STREETS AND LOW-LYING AREAS TO SLOWLY DRAIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONTINUE TO EXERCISE CAUTION WHEN DRIVING THROUGH FLOODED STREETS. 
TRY TO REMAIN ON HIGHER GROUND UNTIL FLOODING SUBSIDES. RESIDENTS 
LIVING ALONG STREAMS AND CREEKS SHOULD AVOID VENTURING CLOSE TO 
FAST-MOVING WATER. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR 
WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.

&&

LAT...LON 1489 14575 1471 14553 1508 14551
      1535 14572 1532 14588

$$

SIMPSON/AYDLETT

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
558 AM CHST TUE AUG 28 2012

.SYNOPSIS...
A WEAK TROPICAL DISTURBANCE ASSOCIATED WITH A TROUGH JUST WEST OF
THE MARIANAS IS BRINGING SCATTERED SHOWERS AND A FEW THUNDERSTORMS
TO THE MARIANAS. OVER THE LAST SEVERAL HOURS...WINDS HAVE VEERED
FROM ESE TO SSE.

&&

.DISCUSSION...
LATEST MODELS AND SATELLITE TRENDS INDICATE THAT SCATTERED SHOWERS
AND ISOLATED THUNDER WILL LINGER ACROSS THE MARIANAS WATERS TODAY
AND LIKELY WELL INTO TONIGHT. HAVE ALSO EXTENDED ISOLATED SHOWERS
AND THUNDERSTORMS FROM WED INTO THURSDAY NIGHT...AND GFS HINTS
THAT THE ISOLATED THUNDER MAY LINGER EVEN BEYOND THAT.

&&

.MARINE...
NORTHWEST SWELL SHOULD BE COMING DOWN FAIRLY QUICKLY THE NEXT
COUPLE OF DAYS NOW THAT BOLAVEN IS NEARING KOREA AND THE YELLOW
SEA. MODERATE RIP RISK SHOULD COME DOWN TO LOW FOR THE WEEKEND.

&&

.EASTERN MICRONESIA...
AN ACTIVE PATTERN CONTINUES ACROSS EASTERN MICRONESIA. A LARGE
CLUSTER OF SHOWERS AND TSTMS ASSOCIATED WITH A TRADE-WIND
DISTURBANCE AND FAVORABLE UPPER-LEVEL WINDS CONTINUES OVER MAJURO.
ASCAT SHOWS AN AREA OF FRESH TO STRONG TRADE-WINDS SO INCREASED
WINDS AT MAJURO ACCORDINGLY. THE ACTIVE WEATHER IS EXPECTED TO
GRADUALLY PROGRESS WESTWARD AND AFFECT KOSRAE TONIGHT AND POHNPEI
WEDNESDAY NIGHT. MODELS INDICATE THE NEXT DISTURBANCE WILL BEGIN TO
AFFECT MAJURO BY MIDWEEK AND LATER IN THE WEEK FOR KOSRAE AND
POHNPEI.

&&

.WESTERN MICRONESIA...
TROUGHING NEAR CHUUK WILL BRING SHOWERS AND POSSIBLY TSTMS TO
CHUUK TODAY BEFORE A RETURN TO LIGHT EASTERLY FLOW AND DRIER
CONDITIONS SETTLES IN TONIGHT. A QUASI-STATIONARY CIRCULATION
SOUTHWEST OF YAP IS EXPECTED TO DRIFT TO THE NORTH OVER THE NEXT
COUPLE OF DAYS ALLOWING LIGHT SOUTHWESTERLY FLOW TO RETURN TO YAP
AND KOROR BY WEDNESDAY. NO MAJOR SYSTEMS ARE EXPECTED TO AFFECT
YAP AND PALAU DURING THE NEXT FEW DAYS SO SHOWER COVERAGE SHOULD
REMAIN ISOLATED.

&&

.GUM WATCHES/WARNINGS/ADVISORIES...
GU...NONE.
MARIANAS WATERS...NONE.
&&

MIDDLEBROOKE/WILLIAMS