Hail, Iron
- When
- July 21, 3:05 PM MST to 3:12 PM MST
- Where
- Iron County, Enterprise Arpt
- Measured
- 0.75 in hail
- Crop damage
- $200
- Reported by
- TRAINED SPOTTER
- Coordinates
- 37.680, -113.670
Flash Flood and Hail in Utah, July 21, 1998
A flash flood occurred in the Zion National Park area and caused road damage and closures. 13" of rain fell in an hours time at the park headquarters.
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
- $10,000
- Crop damage
- $1,000
- Events
- 2
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 SLC wrote it up.
A flash flood occurred in the Zion National Park area and caused road damage and closures. 1.13" of rain fell in an hours time at the park headquarters. Earlier, a spotter in Enterprise reported hail 3/4" in diameter from a severe thunderstorm.
The radar
The Cedar City radar (KICX), 72 km away, was scanning. The volume nearest the first event began at 22:04 UTC.
Event by event
1 hail, 1 flash flood. Local standard time, as filed.
Flash Flood, Washington
- When
- July 21, 3:30 PM MST to 4:15 PM MST
- Where
- Washington County, Zion National Park
- Property damage
- $10,000
- Crop damage
- $1,000
- Reported by
- PARK/FOREST SERVICE
- Coordinates
- 37.280, -113.505 (the zone’s center; the record gives no point)
What these are
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- 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 Michigan, July 21, 1998
- Damaging Winds in Wisconsin, July 21, 1998
- Flooding and Hail in Indiana, July 21, 1998
- Heat in Texas, July 21, 1998
- Heat in Oklahoma, July 21, 1998
- Lightning Strike in Nebraska, July 21, 1998
- Heat in Missouri, July 21, 1998
- Damaging Wind in Ohio, July 21, 1998
- Damaging Winds and Lightning Strikes in Michigan, July 21, 1998
- Lightning Strike in Ohio, July 21, 1998
- Damaging Winds and Lightning Strike in Maryland, July 21, 1998
- Hail and Damaging Winds in Ohio, July 21, 1998
More
Every storm in Utah in 1998Every state in 1998This day in weather historyWarnings in Utah, 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: 5663819, 5663820.