Alert archive / Guam / Flash Flood Warnings in 2004

Flash Flood Warning 6, NWS Guam

June 27, 2004

NWS Guam issued this flash flood warning at Jun 27, 2004, 11:56 PM CDT. It was in force for 3 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, 11:56 PM CDT (04:56 UTC)
Expired: Jun 28, 2004, 3:00 AM CDT
In force: 3 hr
Issued by: NWS Guam
Area: Whole counties

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGMY50 PGUM 280456
FFWMY 
GUZ003-004-280800-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TIYAN GU
256 PM LST MON JUN 28 2004

THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  TINIAN AND SAIPAN IN THE NORTHERN MARIANA ISLANDS

* UNTIL 600 PM LST TODAY

* AT 245 PM LST...SATELLITE AND DOPPLER WEATHER RADAR IMAGERY   
  INDICATE PERSISTENT RAIN BANDS CONTINUALLY MOVING ACROSS TINIAN 
  AND SAIPAN. THESE RAIN BANDS WILL BRING RAINFALL RATES UP TO 2 
  INCHES AN HOUR OR MORE.

* EXPECT FLASH FLOODING TO OCCUR 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.

$$
C MA

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 27, 9:57 PM CDT, 1 hour 59 minutes earlier.

Area forecast discussion, Jun 27, 9:57 PM CDT, 1 hour 59 minutes before

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

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

TYPHOON TINGTING...CENTERED NEAR 16N146E...IS MOVING NORTHWEST AT 9
MPH WITH MAXIMUM SUSTAINED WINDS OF 75 MPH. NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS ASSOCIATED WITH TINGTING LIE BETWEEN 10N AND
20N 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 18N126E..EASTWARD THROUGH TINGTING TO
4N158E. MONSOON WINDS ASSOCIATED WITH THIS TROUGH ARE PRODUCING
SCATTERED SHOWERS BETWEEN 8N AND 10N FROM 147E TO 154E. THIS AREA
INCLUDES CHUUK.

AN UPPER-LEVEL LOW CENTERED NEAR 27N172E IS ENHANCING SHOWERS AND
ISOLATED THUNDERSTORMS NORTHEAST OF WAKE ISLAND BETWEEN 22N AND 25N
FROM 163E TO 178E.

TRADE WIND CONVERGENCE IS GENERATING SCATTERED SHOWERS BETWEEN THE
EQUATOR AND 10N FROM 174E TO 180E.

The office that day

Everything else NWS Guam issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 7:00 PM CDT	Flash Flood Warning	GUM		5 hr

Nearby

Flash Flood Warnings in Guam, 2004 Every 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.