Flood, Guam
- When
- February 12, 7:30 AM SST to February 13, 6:00 AM SST
- Where
- Guam County, Countywide
- Reported by
- OFFICIAL NWS OBS.
Flood in Guam, February 12 to 13, 1999
37 inches of rain falling on the 12th alone. This caused Urban and Small Stream flooding across the islandon the 12th and the morning of the 13th.
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.
Showers caused by a tropical disturbance southeast of Guam brought heavy rains to the island with 3.37 inches of rain falling on the 12th alone. This caused Urban and Small Stream flooding across the islandon the 12th and the morning of the 13th.
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
- High Surf in Hawaii, February 12 to 14, 1999
- Tornado in New Jersey, February 12, 1999
- Damaging Wind in Delaware, February 12, 1999
- Winter Weather in West Virginia, February 12, 1999
- Damaging Winds and Lightning Strike in Maryland, February 12, 1999
- Damaging Wind in Pennsylvania, February 12, 1999
- Lake-Effect Snow in Michigan, February 12 to 13, 1999
- Winter Weather in Ohio, February 12, 1999
- Blizzard in Minnesota, February 12, 1999
- Hail and Damaging Winds in Virginia, February 12, 1999
- Heavy Snow in Ohio, February 12 to 13, 1999
- Winter Weather in Kentucky, February 12, 1999
More
Every storm in Guam in 1999Every state in 1999This day in weather historyWarnings in Guam, February 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: 5697301.