Flood, Guam
- When
- September 8, 10:00 AM SST to 12:00 PM SST
- Where
- Guam County, Countywide
- Reported by
- OFFICIAL NWS OBS.
Slow moving showers brought a period of heavy rain to the island. An automated weather station near Apra Harbor recorded an inchof rain in one hour.
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.
Slow moving showers brought a period of heavy rain to the island. An automated weather station near Apra Harbor recorded an inchof rain in one hour.
1 flood. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Guam in 1999Every state in 1999This day in weather historyWarnings in Guam, September 1999
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: 5720398.