Dust Storm and Damaging Winds in Arizona, July 22, 2019

Name: Dust Storm and Damaging Winds in Arizona, July 22, 2019
Start: 2019-07-22T15:02
End: 2019-07-22T19:45
Location: Arizona

July 22, 2019 · NWS TWC · 10 events in 4 counties and zones

Scattered showers and thunderstorms formed area wide during the afternoon and evening hours and generally moved westward. The storms caused severe wind gusts across southeast Arizona bringing down power poles and causing property damage.

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: $84,000
Crop damage: None recorded
Events: 10

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.

The radar

The Tucson radar (KEMX), 65 km away, was scanning. The volume nearest the first event began at 22:02 UTC.

Open the radar archive at this moment

Event by event

8 thunderstorm wind, 1 dust storm, 1 heavy rain. Local standard time, as filed.

Thunderstorm Wind, Cochise

When: July 22, 3:02 PM MST to 3:07 PM MST
Where: Cochise County, 5.35 mi W of Hereford to 5.99 mi W of Hereford
Measured: 52 kt (60 mph) estimated gust
Property damage: $8,000
Reported by: Public
Coordinates: 31.440, -110.190

Thunderstorm winds downed four power poles near Larson and Moson Rds in Sierra Vista.

Thunderstorm Wind, Pima

When: July 22, 3:32 PM MST to 3:35 PM MST
Where: Pima County, 3.27 mi SE of Vail Jct to 5.42 mi WSW of Pantano
Measured: 52 kt (60 mph) measured gust
Property damage: $12,000
Reported by: Trained Spotter
Coordinates: 31.997, -110.680

Thunderstorm winds downed six power poles in two different locations on Old Sonoita Highway.

Thunderstorm Wind, Pima

When: July 22, 4:30 PM MST
Where: Pima County, 4.61 mi WNW of Las Guijas
Measured: 58 kt (67 mph) estimated gust
Reported by: RAWS
Coordinates: 31.700, -111.450

Sasabe RAWS measured a gust to 67 mph.

Dust Storm, South Central Pinal County

When: July 22, 6:05 PM MST to 6:40 PM MST
Where: South Central Pinal County forecast zone
Reported by: Broadcast Media
Coordinates: 32.904, -111.345 (the zone’s center; the record gives no point)

Thunderstorm outflow winds well removed from the dissipated thunderstorms created a wall of dust that reduced visibility to less than a quarter mile in south central Pinal County, west of the Interstate 10 corridor.

Thunderstorm Wind, Pima

When: July 22, 6:17 PM MST
Where: Pima County, 0.12 mi ENE of (Dma)davis Monthan A to 1.65 mi NE of (Dma)davis Monthan A
Measured: 57 kt (66 mph) measured gust
Reported by: ASOS
Coordinates: 32.171, -110.878

Davis-Monthan ASOS reported 66 mph gust. Thunderstorm outflow winds also toppled a mesquite tree near Wilmont Rd and Stella Rd.

Thunderstorm Wind, Pima

When: July 22, 6:25 PM MST to 6:50 PM MST
Where: Pima County, 0.31 mi NNE of Chiawuli Tak to 3.03 mi NE of Gu Oidak
Measured: 52 kt (60 mph) estimated gust
Property damage: $40,000
Reported by: Emergency Manager
Coordinates: 31.934, -111.779

Thunderstorm winds broke a window in Fresnal, downed tree branch that fell onto Highway 86 between mile posts 136 and 137, then caused roof damage to one house in Sells and three houses in Big Fields.

Thunderstorm Wind, Graham

When: July 22, 6:26 PM MST to 6:45 PM MST
Where: Graham County, 4.3 mi NNE of Ft Thomas to 8.15 mi W of Aravaipa
Measured: 62 kt (71 mph) measured gust
Reported by: Mesonet
Coordinates: 33.090, -109.950

Gust of 65 mph was recorded at Black Hills RAWS. Twenty minutes later a 71 mph gust was recorded at Horse Camp RAWS.

Thunderstorm Wind, Pima

When: July 22, 6:40 PM MST
Where: Pima County, 1.72 mi SSW of South Tucson
Measured: 52 kt (60 mph) estimated gust
Property damage: $2,000
Reported by: Broadcast Media
Coordinates: 32.156, -110.978

Thunderstorm winds downed a power pole near Nebraska St. and 12th Ave.

Heavy Rain, Pima

When: July 22, 6:40 PM MST
Where: Pima County, 1.76 mi SSW of South Tucson
Property damage: $20,000
Reported by: Broadcast Media
Coordinates: 32.155, -110.977

Heavy rain caused a partial ceiling collapse along with water damage near Dakota St. and 12th Ave.

Thunderstorm Wind, Pima

When: July 22, 7:45 PM MST
Where: Pima County, 6.37 mi S of Tuscon Marana Nw Airport
Measured: 52 kt (60 mph) estimated gust
Property damage: $2,000
Reported by: Public
Coordinates: 32.328, -111.218

Near Picture Rocks Rd and Sandario Rd a tree was snapped at its base, a portion of a wooden fence was blown down, and an evaporation cooler was blown off a roof.

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.
Dust Storm: Blowing dust that reduced visibility to a quarter mile or less.
Heavy Rain: Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Arizona in 2019 Every state in 2019 This day in weather history Warnings in Arizona, July 2019

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 2026-10-01. Each event’s entry at NCEI: 842759, 842760, 842761, 848079, 842762, 842766, 842763, 842764, 842765, 842767.