Guam, 1999

Flood in Guam, July 7, 1999

July 7, 1999 · NWS GUA · 1 event in 1 county or zone

29 of an inch of rain fell at the National Weather Service office at Tiyan.

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.

From midnight to 0400 0.29 of an inch of rain fell at the National Weather Service office at Tiyan.

Event by event

1 flood. Local standard time, as filed.

Flood, Guam

When
July 7, 12:00 AM SST to 4:00 AM SST
Where
Guam County, Countywide
Reported by
OFFICIAL NWS OBS.

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

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: 5701316.