Arizona, 1997

Flash Flood and Damaging Winds in Arizona, August 1, 1997

August 1, 1997 · NWS PSR · 3 events in 2 counties and zones

2 thunderstorm wind, 1 flash flood, 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

Open the live radar over this ground

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), 39 km away, was scanning. The volume nearest the first event began at 00:56 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind, 1 flash flood. Local standard time, as filed.

Thunderstorm Wind, Pinal

When
August 1, 5:58 PM MST
Where
Pinal County, Florence
Measured
52 kt (60 mph)
Coordinates
33.030, -111.380

Spotter reported numerous trees were blown down, roofs damaged, and power poles downed. Some streets had to be closed due to live wires down across the roads. A tin roof completely lifted off an adobe home and was dumped into yard. The spotter observed sheet metal flying past his window during the storm.

Flash Flood, Pinal

When
August 1, 5:58 PM MST to 7:00 PM MST
Where
Pinal County, Florence
Coordinates
32.904, -111.345 (the zone’s center; the record gives no point)

Sand bags were used on Main Street due to one to two feet of water flowing across the road. Weather spotter recorded 2.5 inches of rain from the storm.

Thunderstorm Wind, Maricopa

When
August 1, 7:48 PM MST
Where
Maricopa County, Scottsdale
Measured
52 kt (60 mph)
Coordinates
33.480, -111.900

Thunderstorm winds blew down 16 power poles near the intersection of Scottsdale Road and Sweetwater Avenue.

What these are

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.
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

More

Every storm in Arizona in 1997Every state in 1997This day in weather historyWarnings in Arizona, August 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: 5624790, 5624791, 5624792.