Alert archive / Guam / Flash Flood Warnings in 2004
Flash Flood Warning 2, NWS Guam
NWS Guam issued this flash flood warning at Jun 27, 2004, 2:00 AM CDT. It was in force for 6 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
- Jun 27, 2004, 2:00 AM CDT (07:00 UTC)
- Expired
- Jun 27, 2004, 8:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Guam
- Area
- Whole counties
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGMY50 PGUM 270654 FFWMY GUZ001-271300- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TIYAN GU 500 PM LST SUN JUN 27 2004 THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A * FLASH FLOOD WARNING FOR GUAM * UNTIL 11 PM LST TONIGHT * AT 445 PM LST...DOPPLER WEATHER RADAR INDICATED NUMEROUS HEAVY SHOWERS FORMING NORTH OF GUAM AND MOVING SOUTHWARD. RAINFALL RATES UP TO 2 INCHES PER HOUR HAVE BEEN OBSERVED. THE SHOWERS KEEP MOVING OVER THE SAME AREA CAUSING EXCESSIVE RAINFALL ACCUMULATION ON GUAM. * EXCESSIVE RAINFALL OF AN ADDITIONAL 4 TO 5 INCHES BY 11 PM TONIGHT WILL PRODUCE FLASH FLOODING IN VALLEYS...AT THE BASE OF MOUNTAINS...ALONG RIVERS AND STREAMS...ALONG ROADWAYS AND IN LOW-LYING AREAS. IF YOU LIVE IN A LOW-LYING 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. $$ STANKO
2 follow-up statements
000 WGMY70 PGUM 270922 FFSMY GUZ001-270700- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 720 PM LST SUN JUN 27 2004 ...RECORD SETTING RAIN CONTINUES ON GUAM... A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM. A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM MONDAY. AT 700 PM LST...DOPPLER WEATHER RADAR INDICATED A SLOW-MOVING AREA OF TORRENTIAL RAIN OVER GUAM WITH RAINFALL RATES UP TO 2 INCHES PER HOUR. NEW HEAVY SHOWERS CONTINUE TO FORM TO THE NORTHWEST OF GUAM... THEN TRACK TO THE SOUTHEAST ACROSS THE ISLAND. PRELIMINARY RAINFALL TOTALS FROM MIDNIGHT THROUGH 7 PM INCLUDE... GUAM INTERNATIONAL AIRPORT... 13.50 INCHES MANGILAO AUTOMATED OBSERVATION... 10.37 INCHES INARAJAN AUTOMATED OBSERVATION... 9.20 INCHES MERIZO AUTOMATED OBSERVATION... 5.93 INCHES APRA HARBOR AUTO OBSERVATION... 4.95 INCHES IF YOU LIVE IN A FLOOD-PRONE AREA...AT THE BASE OF MOUNTAIN VALLEYS...OR NEAR STREAMS AND RIVERS...GO TO HIGHER GROUND AT ONCE. AVOID DRIVING IN THE WARNED AREA. NEVER TRY TO CROSS A FLOODED ROAD. SHELTERS ARE NOW OPEN AT THE FOLLOWING LOCATIONS ON GUAM... FB LEON GUERRERO MIDDLE SCHOOL GEORGE WASHINGTON HIGH SCHOOL INARAJAN MIDDLE SCHOOL HS TRUMAN ELEMENTARY SCHOOL FOR FURTHER INFORMATION REGARDING SHELTERS CONTACT GUAM CIVIL DEFENSE AT 475-9600 $$ STANKO
000 WGMY70 PGUM 270924 CCA FFSMY GUZ001-271300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 720 PM LST SUN JUN 27 2004 CORRECTED EXPIRATION TIME IN HEADER ...RECORD SETTING RAIN CONTINUES ON GUAM... A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM. A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM MONDAY. AT 700 PM LST...DOPPLER WEATHER RADAR INDICATED A SLOW-MOVING AREA OF TORRENTIAL RAIN OVER GUAM WITH RAINFALL RATES UP TO 2 INCHES PER HOUR. NEW HEAVY SHOWERS CONTINUE TO FORM TO THE NORTHWEST OF GUAM... THEN TRACK TO THE SOUTHEAST ACROSS THE ISLAND. PRELIMINARY RAINFALL TOTALS FROM MIDNIGHT THROUGH 7 PM INCLUDE... GUAM INTERNATIONAL AIRPORT... 13.50 INCHES MANGILAO AUTOMATED OBSERVATION... 10.37 INCHES INARAJAN AUTOMATED OBSERVATION... 9.20 INCHES MERIZO AUTOMATED OBSERVATION... 5.93 INCHES APRA HARBOR AUTO OBSERVATION... 4.95 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... FB LEON GUERRERO MIDDLE SCHOOL GEORGE WASHINGTON HIGH SCHOOL INARAJAN MIDDLE SCHOOL HS TRUMAN ELEMENTARY SCHOOL FOR FURTHER INFORMATION REGARDING SHELTERS CONTACT GUAM CIVIL DEFENSE AT 475-9600 $$ STANKO
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jun 26, 10:05 PM CDT, 3 hours 55 minutes earlier.
Area forecast discussion, Jun 26, 10:05 PM CDT, 3 hours 55 minutes before
AREA SYNOPTIC DISCUSSION NATIONAL WEATHER SERVICE TIYAN GU 1 PM GUAM LST SUN JUN 27 2004 WESTERN NORTH PACIFIC BETWEEN EQUATOR AND 25N FROM 130E TO 180. TROPICAL STORM TINGTING...CENTERED NEAR 14N149E...IS MOVING NORTHWEST AT 13 MPH WITH MAXIMUM SUSTAINED WINDS OF 60 MPH. NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS ASSOCIATED WITH TINGTING EXTEND BETWEEN 8N AND 16N FROM 140E TO 157E. THIS INCLUDES THE MARIANA ISLANDS AND CHUUK STATE. SEE JOINT TYPHOON WARNING CENTER BULLETIN WTPN32 PGTW FOR FURTHER DETAILS. A MONSOON TROUGH STRETCHES FROM TROPICAL STORM MINDULLE..LOCATED NEAR 16N129E..EASTWARD THROUGH TINGTING TO 10N160E. MONSOON WINDS ASSOCIATED WITH THIS TROUGH ARE PRODUCING SCATTERED SHOWERS BETWEEN 12N AND 20N FROM 157E TO 170E. THIS AREA INCLUDES WAKE ISLAND. AN UPPER-LEVEL LOW CENTERED NEAR 30N170E IS GENERATING SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS NORTHEAST OF WAKE ISLAND BETWEEN 20N AND 25N FROM 162E TO 178E. TRADE WIND CONVERGENCE IS GENERATING SCATTERED SHOWERS BETWEEN THE EQUATOR AND 5N FROM 160E TO 180. THIS AREA INCLUDES KOSRAE.
In the hours before
Special weather statement, Jun 27, 12:59 AM CDT, 1 hour 1 minute before
PMZ161-171-172-280600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TIYAN GU 4 PM GUAM LST SUN JUN 27 2004 ...MONSOON CONTINUES TO BRING DAMAGING WIND GUSTS TO CHUUK... STRONG MONSOON FLOW SOUTH OF TROPICAL STORM TINGTING...LOCATED AROUND 495 MILES NORTH-NORTHWEST OF CHUUK AND HEADED TOWARDS THE NORTHERN MARIANAS...WILL MAINTAIN DAMAGING WIND GUSTS AROUND 40 MPH ALONG WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS AT CHUUK AND THE SURROUNDING ISLANDS. ROUGH SEAS WILL MAKE CONDITIONS HAZARDOUS FOR INTER-ISLAND TRAVEL BY SMALL BOATS. A HIGH SURF ADVISORY IS CURRENTLY IN EFFECT FOR PALAU...YAP...CHUUK...POHNPEI AND KOSRAE. SEE BULLETIN FZPQ70 PGUM FOR FURTHER DETAILS. CONDITIONS ARE EXPECTED TO IMPROVE SIGNIFICANTLY BY MONDAY. WELLS/HENDRICKS
The office that day
Everything else NWS Guam issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 9:25 PM CDT | Flash Flood Warning | GUM | 5 hr | |
| Jun 27, 8:00 AM CDT | Flash Flood Warning | GUM | 6 hr | |
| Jun 27, 2:00 PM CDT | Flash Flood Warning | GUM | 10 hr |
Nearby
Flash Flood Warnings in Guam, 2004Every flash flood warning in 2004
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.