Funnel Cloud, Guam
- When
- June 29, 11:33 AM SST to 11:37 AM SST
- Where
- Guam County, Central Portion
- Reported by
- OFFICIAL NWS OBS.
Funnel Cloud in Guam, June 29, 1999
A funnel cloud was spotted to the northwest of the National Weather Service Office at Tiyan. The funnel cloud moved west and then quickly dissipated.
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.
A funnel cloud was spotted to the northwest of the National Weather Service Office at Tiyan. The funnel cloud moved west and then quickly dissipated.
Event by event
1 funnel cloud. Local standard time, as filed.
What these are
- Funnel Cloud
- A rotating column of cloud extending from a thunderstorm that did not reach the ground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Lightning Strike in Florida, June 29, 1999
- Flash Flooding in Georgia, June 29, 1999
- High Wind in Ohio, June 29, 1999
- Hail and Damaging Winds in Georgia, June 29, 1999
- Wildfire in California, June 29, 1999
- Tornadoes and Hail in Nebraska, June 29, 1999
- Tornadoes and Hail in Texas, June 29 to 30, 1999
- Flood and Damaging Wind in Georgia, June 29 to 30, 1999
- Flash Flood and Damaging Winds in Arkansas, June 29, 1999
- Flash Flooding and Damaging Winds in Oklahoma, June 29, 1999
- Tornadoes in Colorado, June 29, 1999
- Flood and Hail in Oklahoma, June 29 to 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: 5697310.