Flash Flood, Grand
- When
- July 14, 9:00 PM MST to 11:59 PM MST
- Where
- Grand County, Moab
- Property damage
- $60,000
- Reported by
- NWS EMPLOYEE(OFF DUTY)
- Coordinates
- 38.982, -109.570 (the zone’s center; the record gives no point)
Flash Flood in Utah, July 14, 1999
Heavy rain resulted in flash flooding along Mill Creek in Moab. During the flash flood, the swollen creek was running 15 feet deep and 45 feet wide.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- $60,000
- 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 GJT wrote it up.
Heavy rain resulted in flash flooding along Mill Creek in Moab. During the flash flood, the swollen creek was running 15 feet deep and 45 feet wide. The newly constructed Mill Creek Parkway received extensive damage, with about 75 feet of sidewalk destroyed and other sidewalk areas covered by 4 to 5 feet of mud. A large cement-block retaining wall along the parkway was also destroyed. Basements of some nearby homes were flooded. Road crews were called out to remove mud and debris from roads and storm drains in the community, as well as to remove rock and mud which was deposited onto State Highway 279 and US Highway 191 on the outskirts of Moab . A weather spotter in the Moab recorded 1.40 inches of rain which fell within a 2 hour period.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood in Arizona, July 14, 1999
- Tornado and Hail in Minnesota, July 14, 1999
- Flash Flood in Wisconsin, July 14, 1999
- Hail and Lightning Strikes in Virginia, July 14, 1999
- Hail in Texas, July 14, 1999
- Flood in California, July 14, 1999
- Lightning Strike in Wisconsin, July 14, 1999
- Damaging Wind in Florida, July 14, 1999
- Flash Flood and Hail in Montana, July 14, 1999
- Flood and Hail in Florida, July 14, 1999
- Wildfire in Oregon, July 14, 1999
- Cold in Massachusetts, July 14, 1999
More
Every storm in Utah in 1999Every state in 1999This day in weather historyWarnings in Utah, 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: 5715320.