Guam, 1999

Flood in Guam, September 3, 1999

September 3, 1999 · NWS GUA · 1 event in 1 county or zone

Heavy rainshowers passed over the southern section of Guam. The villages of Umatac and Merizo reported that streets and roadswere flooded for a few hours.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GUA wrote it up.

Heavy rainshowers passed over the southern section of Guam. The villages of Umatac and Merizo reported that streets and roadswere flooded for a few hours.

Event by event

1 flood. Local standard time, as filed.

Flood, Guam

When
September 3, 6:00 PM SST to 8:00 PM SST
Where
Guam County, Inarajan
Reported by
NEWSPAPER

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Guam in 1999Every state in 1999This day in weather historyWarnings in Guam, September 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5720396.