Flash Flood, Mesa
- When
- July 23, 4:00 PM MST to 4:40 PM MST
- Where
- Mesa County, 4 mi SW of Grand Jct
- Property damage
- $1,000
- Reported by
- NEWSPAPER
- Coordinates
- 39.018, -108.466 (the zone’s center; the record gives no point)
Flash Flood in Colorado, July 23, 1998
About two inches of rain fell within a 40 minute period near the east entrance of the Colorado National Monument. A wall of water and debris came down a canyon, damaging 80 percent of Serpent's Trail in the National Park as well as the front yard of a residence.
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
- $1,000
- 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.
About two inches of rain fell within a 40 minute period near the east entrance of the Colorado National Monument. A wall of water and debris came down a canyon, damaging 80 percent of Serpent's Trail in the National Park as well as the front yard of a residence.
The radar
The Grand Junction radar (KGJX), 22 km away, was scanning. The volume nearest the first event began at 23:01 UTC.
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
- Hail and Damaging Winds in Massachusetts, July 23, 1998
- Lightning Strikes in Virginia, July 23, 1998
- Damaging Wind in New York, July 23, 1998
- Lightning Strike in Mississippi, July 23, 1998
- Flash Flood in Nevada, July 23, 1998
- Damaging Winds in Tennessee, July 23, 1998
- Damaging Wind in Arkansas, July 23, 1998
- Hail and Damaging Winds in New York, July 23, 1998
- Flash Flood and Damaging Wind in New Mexico, July 23, 1998
- Hail and Damaging Winds in Kansas, July 23, 1998
- Damaging Winds in Virginia, July 23, 1998
- Tornadoes and Hail in Oklahoma, July 23, 1998
More
Every storm in Colorado in 1998Every state in 1998This day in weather historyWarnings in Colorado, July 1998
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: 5662892.