Flood, Guam
- When
- January 21, 12:00 AM SST to 7:00 AM SST
- Where
- Guam County, Inarajan
- Reported by
- OFFICIAL NWS OBS.
Flood in Guam, January 21, 1999
On the morning of the 21st heavy showers moved across the southern sections of Guam between midnight and 0700 causing Urban and Small Stream Flooding in that area.
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.
On the morning of the 21st heavy showers moved across the southern sections of Guam between midnight and 0700 causing Urban and Small Stream Flooding in that area. An automated station in Merizo reported 1.03 inches of rain fell between midnight and 0700
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
- Tornado in Arkansas, January 21, 1999
- Tornado in Arkansas, January 21, 1999
- Tornadoes and Flash Flooding in Arkansas, January 21 to 22, 1999
- Tornado in Arkansas, January 21, 1999
- Flash Flooding in Ohio, January 21 to 22, 1999
- Flash Flooding and Flooding in Indiana, January 21 to 23, 1999
- Tornadoes and Hail in Louisiana, January 21, 1999
- Tornado in Arkansas, January 21, 1999
- Flash Flooding in West Virginia, January 21 to 22, 1999
- Tornado in Arkansas, January 21, 1999
- Tornado in Arkansas, January 21, 1999
- Tornado in Arkansas, January 21, 1999
More
Every storm in Guam in 1999Every state in 1999This day in weather historyWarnings in Guam, January 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: 5697296.