Flood, Guam
- When
- July 28, 4:00 AM SST to 10:00 AM SST
- Where
- Guam County, Central Portion
- Reported by
- OFFICIAL NWS OBS.
Flood in Guam, July 28, 1999
An upper level low moving across the region enhanced shower activity across the Marianas Islands.
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.
Between Midnight and 0400 0.24 of an inch of rain fell, between 0400 and 1000 0.42 of an inch fell.An upper level low moving across the region enhanced shower activity across the Marianas Islands.
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
- Heat in Illinois, July 28 to 31, 1999
- Tornadoes and Flash Flood in Ohio, July 28, 1999
- Heat in Illinois, July 28 to 31, 1999
- Damaging Winds in Virginia, July 28, 1999
- Heat in Wisconsin, July 28 to 30, 1999
- Heat in Minnesota, July 28 to 30, 1999
- Heat in Nebraska, July 28 to 29, 1999
- Heat in Arkansas, July 28, 1999
- Flash Flooding and Hail in Pennsylvania, July 28, 1999
- Tornado and Hail in Michigan, July 28, 1999
- Heat in Iowa, July 28 to 29, 1999
- Flash Flood and Damaging Wind in Arizona, July 28, 1999
More
Every storm in Guam in 1999Every state in 1999This day in weather historyWarnings in Guam, July 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: 5701318.