Flood, Guam
- When
- September 2, 12:00 PM SST to 2:00 PM SST
- Where
- Guam County, Central Portion
- Reported by
- OFFICIAL NWS OBS.
Flood in Guam, September 2, 1999
Light winds combined with daytime heating caused heavy showers to develop over the inland sections of Guam. 22 inches with the heaviest occurring between 1200 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.
Light winds combined with daytime heating caused heavy showers to develop over the inland sections of Guam. The rainfall amount recorded at the National Weather Service Office at Tiyan between 1000 and 1600 was 1.22 inches with the heaviest occurring between 1200 and 1400.
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
- Flash Flooding in South Dakota, September 2 to 3, 1999
- Hail and Damaging Winds in Texas, September 2 to 25, 1999
- Hail and Damaging Wind in Nebraska, September 2 to 3, 1999
- Hail in Colorado, September 2, 1999
- Waterspouts in Florida, September 2, 1999
- Waterspout in Texas, September 2, 1999
- Cold in California, September 2 to 3, 1999
- Waterspout in Florida, September 2, 1999
- Hail in Minnesota, September 2, 1999
- Funnel Cloud in Wyoming, September 2, 1999
- Lightning Strike in Louisiana, September 2, 1999
- Tornado in Nebraska, September 2, 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: 5720395.