Guam, 2000

Flood in Guam, August 25, 2000

August 25, 2000 · NWS GUA · 1 event in 1 county or zone

Heavy showers and thunderstorms caused flooding across Guam. Flooding was reported in Inarajan and Ipan.

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 showers and thunderstorms caused flooding across Guam. Flooding was reported in Inarajan and Ipan. The rain was the result of a developing area of low pressure to the west of the islands combined with favorable upper level winds. 3.26 inches of rain fell during the day at the National Weather Service Office. 3.10 inches of rain fell at a weather service employee's gage in Naval Hospital in Agana Heights. Automatic recording rain gages also reported heavy rain between 1500 and 2300 with 1.32 at Apra Harbor, 2.04 at Inarajan and 2.16 falling in Mangilao.

Event by event

1 flood. Local standard time, as filed.

Flood, Guam

When
August 25, 12:00 PM SST to 11:00 PM SST
Where
Guam County, Countywide
Reported by
OFFICIAL NWS OBS.

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 2000Every state in 2000This day in weather historyWarnings in Guam, August 2000

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: 5155696.