Arizona, 2000

Flash Flood and Hail in Arizona, September 10, 2000

September 10, 2000 · NWS TWC · 4 events in 1 county or zone

Strong thunderstorms moved through the central and north part of Tucson. Rain amounts exceeded 1 inch in 30 minutes at some locations.

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

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The toll

Deaths
0
Injuries
0
Property damage
$75,000
Crop damage
None recorded
Events
4

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 TWC wrote it up.

Strong thunderstorms moved through the central and north part of Tucson. Rain amounts exceeded 1 inch in 30 minutes at some locations. Hail from pea size to 1 inch reported as well. The east side of Tucson was untouched by this storm.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

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

Thunderstorm Wind, Pima

When
September 10, 3:00 PM MST to 3:10 PM MST
Where
Pima County, 3 mi NW of Tucson
Measured
60 kt (69 mph)
Property damage
$75,000
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
32.267, -110.967

Power lines blown down vicinity Limberlost and Oracle roads. Tree blown down onto three vehicles on west Speedway road.

Hail, Pima

When
September 10, 3:10 PM MST
Where
Pima County, 3 mi W of Tucson
Measured
1 in hail
Reported by
TRAINED SPOTTER
Coordinates
32.233, -110.983

Hail, Pima

When
September 10, 3:13 PM MST
Where
Pima County, 3 mi NE of Tucson
Measured
0.75 in hail
Reported by
GENERAL PUBLIC
Coordinates
32.267, -110.900

Flash Flood, Pima

When
September 10, 4:30 PM MST to 5:30 PM MST
Where
Pima County, 3 mi SE of Tucson
Reported by
DEPT OF HIGHWAYS
Coordinates
32.097, -111.790 (the zone’s center; the record gives no point)

Several roads flooded in southeast Tucson, downtown Tucson, and on the northwest side.

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.
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

More

Every storm in Arizona in 2000Every state in 2000This day in weather historyWarnings in Arizona, September 2000

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: 5155393, 5155391, 5155392, 5155394.