Flood, Guam
- When
- June 30, 11:30 AM SST to 2:00 PM SST
- Where
- Guam County, Dededo
- Reported by
- OFFICIAL NWS OBS.
Flood in Guam, June 30, 1999
Nexrad radar indicated that 3 inches of rain had fallen over the northwest section of Guam in a three hour period. These showers formed along the sea breeze and were nearly stationary.
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.
Nexrad radar indicated that 3 inches of rain had fallen over the northwest section of Guam in a three hour period. These showers formed along the sea breeze and were nearly stationary.
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 and Damaging Winds in Oklahoma, June 30, 1999
- Flash Flood and Hail in Georgia, June 30, 1999
- Flash Flooding and Lightning Strikes in Arkansas, June 30, 1999
- Tornado and Hail in Kansas, June 30, 1999
- Lightning Strike in Florida, June 30, 1999
- Flash Flood in Alabama, June 30, 1999
- Tornadoes and Hail in Kansas, June 30, 1999
- Lightning Strike in Florida, June 30, 1999
- Hail in Colorado, June 30, 1999
- Hail in Kansas, June 30, 1999
- Hail in Colorado, June 30, 1999
- Hail and Damaging Winds in South Dakota, June 30, 1999
More
Every storm in Guam in 1999Every state in 1999This day in weather historyWarnings in Guam, June 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: 5697311.