Flash Flood Warning 4, NWS Guam

000 
WGMY70 PGUM 271920
FFSMY 
GUZ001-272300-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
500 AM LST MON JUN 28 2004

...TORRENTIAL RAIN CONTINUES TO DELUGE GUAM...

A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 PM TODAY.
A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 3 AM TUESDAY.

AT 300 AM LST...DOPPLER WEATHER RADAR INDICATES A BAND OF HEAVY 
RAIN SHOWERS REMAINS OVER GUAM. TORRENTIAL RAIN RATES OF UP TO 2 
INCHES PER HOUR HAVE BEEN ESTIMATED BY NATIONAL WEATHER SERVICE 
DOPPLER RADAR IN TIYAN GUAM. HEAVY SHOWERS CONTINUE TO FORM TO THE 
NORTHWEST OF GUAM...THEN TRAIN TO THE SOUTHEAST ACROSS THE ISLAND.

PRELIMINARY DAILY RAINFALL TOTALS FOR JUNE 28 INCLUDE...

GUAM INTERNATIONAL AIRPORT...      3.75 INCHES
INARAJAN AUTOMATED OBSERVATION...  5.39 INCHES
MANGILAO AUTOMATED OBSERVATION...  2.21 INCHES
MERIZO AUTOMATED OBSERVATION...    2.61 INCHES
APRA HARBOR AUTO OBSERVATION...    2.36 INCHES

THE 16.00 INCHES OF RAINFALL RECEIVED JUNE 27 SHATTERS THE DAILY 
RAINFALL RECORD OF 3.16 INCHES SET IN 1962. THE MONTHLY RAINFALL 
TOTAL AS OF 3 AM THIS MORNING IS 35.72 INCHES...WHICH MAKES THIS THE 
WETTEST JUNE IN 47 YEARS OF RECORD KEEPING.

IF YOU LIVE IN A FLOOD-PRONE AREA...AT THE BASE OF MOUNTAIN 
VALLEYS...OR NEAR STREAMS AND RIVERS...GO TO HIGHER GROUND AT 
ONCE. AVOID DRIVING IN THE WARNED AREA.  NEVER TRY TO CROSS A 
FLOODED ROAD.

SHELTERS ARE NOW OPEN AT THE FOLLOWING LOCATIONS ON GUAM...
GEORGE WASHINGTON HIGH SCHOOL
INARAJAN MIDDLE SCHOOL
HS TRUMAN ELEMENTARY SCHOOL
ASTUMBO ELEMENTARY

FOR FURTHER INFORMATION REGARDING SHELTERS CONTACT GUAM CIVIL 
DEFENSE AT 475-9600

$$

000 
WGMY70 PGUM 272324
FFSMY 
GUZ001-280500-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
925 AM LST MON JUN 28 2004

...RAINS FROM TINGTING CONTINUE TO PLAGUE GUAM...

A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 PM TODAY.
A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL EARLY TUESDAY MORNING.

AT 900 AM LST...DOPPLER WEATHER RADAR INDICATES BANDS OF HEAVY 
RAIN SHOWERS TO THE SOUTH OF TROPICAL STORM TINGTING CONTINUE 
PASSING OVER GUAM. RAINFALL RATES HAVE ABATED RECENTLY. 
HOWEVER...ANOTHER RAIN BAND PRODUCING UP TO AN INCH OF RAIN PER HOUR 
IS APPROACHING GUAM FROM THE NORTHWEST. THIS WILL AGGRAVATE FLOODING 
ALREADY OCCURRING FROM RECORD RAINFALL AMOUNTS AROUND 20 INCHES IN 
SOME PLACES DURING THE LAST DAY AND A HALF. FURTHERMORE...MUD SLIDES 
WILL BE POSSIBLE THROUGH THIS AFTERNOON IN MOUNTAINOUS AND HILLY 
AREAS.  

JUNE 28 PRELIMINARY DAILY RAINFALL TOTALS THROUGH 900 AM INCLUDE...

INARAJAN AUTOMATED OBSERVATION...  7.47 INCHES
GUAM INTERNATIONAL AIRPORT...      4.62 INCHES
MERIZO AUTOMATED OBSERVATION...    4.35 INCHES
OBSERVER IN TOTO...                4.27 INCHES
OBSERVER IN SINAJANA...            3.90 INCHES
APRA HARBOR AUTO OBSERVATION...    3.21 INCHES
MANGILAO AUTOMATED OBSERVATION...  3.01 INCHES

IF YOU LIVE IN A FLOOD-PRONE AREA...AT THE BASE OF MOUNTAIN 
VALLEYS...OR NEAR STREAMS AND RIVERS...GO TO HIGHER GROUND AT 
ONCE. AVOID DRIVING IN THE WARNED AREA. NEVER TRY TO CROSS A 
FLOODED ROAD.

SHELTERS ARE NOW OPEN AT THE FOLLOWING LOCATIONS ON GUAM...
GEORGE WASHINGTON HIGH SCHOOL
INARAJAN MIDDLE SCHOOL
H S TRUMAN ELEMENTARY SCHOOL
ASTUMBO ELEMENTARY

FOR FURTHER INFORMATION REGARDING SHELTERS CONTACT GUAM CIVIL 
DEFENSE AT 475-9600

$$

GUARD/MCELROY

000 
WGMY70 PGUM 280404
FFSMY 
GUZ001-002-003-004-280500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
205 PM LST MON JUN 28 2004

...RAINS FROM TYPHOON TINGTING CONTINUE ACROSS THE MARIANAS...

A FLASH FLOOD WARNING REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND 
SAIPAN UNTIL 300 PM TODAY...AND A FLOOD WATCH REMAINS IN EFFECT 
UNTIL 500 AM TUESDAY.

AT 145 PM...THE GUAM DOPPLER WEATHER RADAR INDICATES WIDESPREAD... 
CONTINUOUS LIGHT TO MODERATE RAIN MOVING THROUGH THE MARIANAS...WITH 
ONE-HOUR RAINFALL RATES OF 0.10 TO 0.30 INCHES PER HOUR. HOWEVER...A 
BAND OF HEAVY SHOWERS NORTHWEST OF GUAM WILL MOVE ACROSS ROTA AND 
POSSIBLY THE NORTHERN TIP OF GUAM BETWEEN 200 PM AND 300 PM.

DUE TO ALREADY MORE-THAN-SATURATED GROUND...MUD SLIDES WILL REMAIN 
POSSIBLE THIS AFTERNOON IN MOUNTAINOUS AND HILLY AREAS. ANY 
ADDITIONAL HEAVY RAINFALL MAY TRIGGER FLASH FLOODING.

HERE ARE PRELIMINARY RAINFALL TOTALS FROM MIDNIGHT TO 200 PM...

GUAM INTL AIRPORT/TIYAN......... 4.86 INCHES (16.00 YESTERDAY)
APRA HARBOR (AUTOMATED GAUGE)... 3.46 INCHES ( 8.34 YESTERDAY)
INARAJAN (AUTOMATED GAUGE)...... 7.65 INCHES (15.47 YESTERDAY)
MANGILAO (AUTOMATED GAUGE)...... 3.23 INCHES (12.68 YESTERDAY)
MERIZO (AUTOMATED GAUGE)........ 4.72 INCHES (10.43 YESTERDAY)

ROTA INTL AIRPORT/SINAPALU...... 2.06 INCHES ( 5.56 YESTERDAY)
SAIPAN INTERNATIONAL AIRPORT.... 3.40 INCHES ( 1.71 YESTERDAY)

IF YOU LIVE IN A FLOOD-PRONE AREA...AT THE BASE OF MOUNTAIN 
VALLEYS...OR NEAR STREAMS AND RIVERS...GO TO HIGHER GROUND AT ONCE. 
AVOID DRIVING IN THE WARNED AREA. NEVER TRY TO CROSS A FLOODED ROAD.

ON GUAM...SHELTERS ARE NOW OPEN AT THE FOLLOWING LOCATIONS...
 - MACHANANAO ELEMENTARY SCHOOL
 - F B LEON GUERRERO MIDDLE SCHOOL
 - H S TRUMAN ELEMENTARY SCHOOL
 - ASTUMBO ELEMENTARY SCHOOL

FOR FURTHER INFORMATION REGARDING SHELTERS CONTACT GUAM CIVIL 
DEFENSE AT 475-9600.

$$
C MA

AREA SYNOPTIC DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
1 AM GUAM LST MON JUN 28 2004

WESTERN NORTH PACIFIC BETWEEN EQUATOR AND 25N FROM 130E TO 180.

TROPICAL STORM TINGTING...CENTERED NEAR 15N147E...IS MOVING
NORTHWEST AT 9 MPH WITH MAXIMUM SUSTAINED WINDS OF 65 MPH. NUMEROUS
SHOWERS AND ISOLATED THUNDERSTORMS ASSOCIATED WITH TINGTING LIE
BETWEEN 10N AND 21N FROM 140E TO 155E. THIS AREA INCLUDES THE
MARIANA ISLANDS. SEE JOINT TYPHOON WARNING CENTER BULLETIN WTPN32
PGTW FOR FURTHER DETAILS.

A MONSOON TROUGH STRETCHES FROM TYPHOON MINDULLE..LOCATED
EAST OF THE PHILIPPINES NEAR 18N127E..EASTWARD THROUGH TINGTING TO
12N154E TO 3N158E. MONSOON WINDS ASSOCIATED WITH THIS TROUGH ARE
PRODUCING SCATTERED SHOWERS

AN UPPER-LEVEL LOW CENTERED NEAR 28N173E IS ENHANCING SHOWERS AND
ISOLATED THUNDERSTORMS NORTHEAST OF WAKE ISLAND BETWEEN 20N AND 25N
FROM 163E TO 178E.

TRADE WIND CONVERGENCE IS GENERATING SCATTERED SHOWERS BETWEEN THE
EQUATOR AND 10N FROM 162E TO THE DATE LINE. THIS AREA COVERS KOSRAE
STATE AND THE REPUBLIC OF THE MARSHALL ISLANDS.