Flash Flood, Maricopa
- When
- September 12, 2:15 AM MST to 3:00 AM MST
- Where
- Maricopa County, 5 mi N of Phoenix
- Coordinates
- 33.349, -112.491 (the zone’s center; the record gives no point)
Many streets flooded along Thomas Road.
Flash Flood and Hail in Arizona, September 12, 1997
1 flash flood, 1 thunderstorm wind, 1 hail, as filed by the National Weather Service.
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
- None recorded
- Crop damage
- None recorded
- Events
- 3
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.
The radar
The Phoenix radar (KIWA), 77 km away, was scanning. The volume nearest the first event began at 22:29 UTC.
Event by event
1 flash flood, 1 thunderstorm wind, 1 hail. Local standard time, as filed.
Thunderstorm Wind, Gila
- When
- September 12, 3:30 PM MST
- Where
- Gila County, 3 mi W of Globe
- Measured
- 58 kt (67 mph)
- Coordinates
- 33.400, -110.830
Spotter reported high winds in Claypool.
Hail, Gila
- When
- September 12, 3:33 PM MST to 3:35 PM MST
- Where
- Gila County, Globe
- Measured
- 1 in hail
- Coordinates
- 33.400, -110.780
Two spotters reported large hail.
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.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Damaging Wind in South Carolina, September 12, 1997
- Damaging Wind in Texas, September 12, 1997
- Flash Flood and Hail in Texas, September 12, 1997
- Hail in South Dakota, September 12, 1997
- Waterspout in Florida, September 12, 1997
- Funnel Cloud in Colorado, September 12, 1997
- Funnel Cloud in Washington, September 12, 1997
- Waterspout in Florida, September 12, 1997
More
Every storm in Arizona in 1997Every state in 1997This day in weather historyWarnings in Arizona, September 1997
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: 5623765, 5623766, 5623767.