Flood, Guam
- When
- September 14, 11:00 AM SST to 2:00 PM SST
- Where
- Guam County, Countywide
- Reported by
- OFFICIAL NWS OBS.
Flood in Guam, September 14, 1999
An upper level low moving through the region enhanced shower activity across the island of Guam. This brought a period of heavy rain showers and thunderstorms between 1100 and 1400.
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.
An upper level low moving through the region enhanced shower activity across the island of Guam. This brought a period of heavy rain showers and thunderstorms between 1100 and 1400. At the National Weather Service Office in Tiyan 2.43 inches of rain fell between1000 and 1600.
Event by event
1 flood. Local standard time, as filed.
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
- Hurricane in North Carolina, September 14 to 16, 1999
- Hurricane in Florida, September 14 to 15, 1999
- Flash Flooding and Hail in Texas, September 14 to 15, 1999
- Tornado and Hail in Arizona, September 14, 1999
- Hurricane in Florida, September 14, 1999
- Damaging Wind in New Mexico, September 14, 1999
- Lightning Strike in New Mexico, September 14, 1999
- Hail and Damaging Wind in Texas, September 14, 1999
- Hail in Kansas, September 14, 1999
- High Wind in Alaska, September 14, 1999
- Hail in Kansas, September 14, 1999
- Damaging Wind in Florida, September 14, 1999
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: 5720399.