Flood, Guam
- When
- August 25, 12:00 PM SST to 11:00 PM SST
- Where
- Guam County, Countywide
- Reported by
- OFFICIAL NWS OBS.
Heavy showers and thunderstorms caused flooding across Guam. Flooding was reported in Inarajan and Ipan.
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.
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.
1 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Guam in 2000Every state in 2000This day in weather historyWarnings in Guam, August 2000
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.