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Storms trigger flood, thunderstorm warnings in southern Arizona

Flash flood warning issued in central Tucson
Posted at 6:50 AM, Jul 23, 2020
and last updated 2020-07-23 20:31:55-04

1:42 p.m.

The National Weather Service extended the Flash Flood Warning to 3:45 p.m.

Affected areas include Tucson, Drexel Heights, Pascua Pueblo Yaqui Reservation, Valencia West, Tucson Estates, Saguaro National Park West and San Xavier Mission.

1:37 p.m.

Tucson Fire conducted this rescue near Oracle and Fort Lowell:

1:01 p.m.

The National Weather Service extended the Small Stream Flood Advisory to 3 p.m. The Flash Flood Advisory lasts until 3:45.

There is a Flash Flood Warning in effect until 2 p.m.

1 p.m.

Pima County announced the following road closures:

  • CDO Wash at Overton Road
  • Bopp Road East of San Joaquin Road
  • Ventana Wash at Snyder Road from Placita Ventana del Rio to Scenic Mountain Drive
  • Camino Verde South of Kay Lynn Drive
  • Old Ajo Way West of San Joaquin Road
  • Mission Road North of Duval Mine Road
  • Snyder Hill Rd west of Desert Sunrise Trail

Road Re-open:

  • Silverbell Road south of El Camino Del Cerro

For weather-related road closures after business hours and on weekends, call the Pima County Sheriff’s Road Condition Hotline: (520) 547-7510.

11:23 a.m.

Green Valley Fire crews are responding to multiple swift water rescues Thursday.

11:16 a.m.

Tucson Fire crews took part in a swift water rescue along the Rillito River north of Tucson Mall. Crews pulled a man out of the river.

10:43 a.m.

Northwest Fire says it's responding to several swift water rescues and is warning people to stay out of washes and flooded areas.

10:43 a.m.

The National Weather Service has extended the Flash Flood Warning to 1:30 p.m.

Affected areas include Tucson, Drexel Heights, Pascua Pueblo Yaqui Reservation, Valencia West, Tucson Estates, Saguaro National Park West and San Xavier Mission.

10:25 a.m.

The Tucson Fire Department conducted a swiftwater rescue near Craycroft and Fort Lowell this morning. By the time crews arrived, bystanders had already removed the car from the wash.

Another flash flood warning was issued for the area along the I-10 corridor, stretching from Casas Adobes to South Tucson.

10:18 a.m.

The National Weather Service extended the Flash Flood Warning for Eastern Pima County in southeastern Arizona until 1 p.m.

9:48 a.m.

Another flash flood warning is in effect north of Tucson, covering parts of Saddlebrooke and Catalina. The warning is in effect until 12:45 p.m.

9:27 a.m.

According to the National Weather Service, a strong thunderstorm was tracked near Saguaro National Park East, eight miles east of Davis-Monthan Air Force Base. The storm was moving westward at 10mph.

Dime-size hail and wind gusts as high as 50 mph are possible in the storm.

Vulnerable locations include Tucson, Davis-Monthan Air Force Base, Tanque Verde, Vail, Mount Lemmon/Summerhaven, Sabino Canyon Recreation Area, Catalina Foothills, Saguaro National Park East, Tucson International Airport, Summit, Rita Ranch, Seven Falls and Redington.

9:25 a.m.

The Flash Flood Warning will stay in effect until 11:15 a.m.

As many as three inches of rain have fallen around Marana and northeast of Picacho Peak.

The National Weather Service says life-threatening flash flooding is happening in the area. Creeks and streams, highways, streets and underpasses are vulnerable in Marana, Avra Valley, Picacho, Picacho Peak State Park, Saguaro National Park West, Picture Rocks, Red Rock and Dove Mountain.

Hot spots include Sasco Rd at Santa Cruz Wash, Park Link Dr between I-10 and HWY 79 and Twin Peaks Rd between Sanders and Sandario, as well as Guild Wash, Blanco Wash, Brawley Wash, Los Robles Wash, Santa Cruz River, Cocio Wash and Indian Well Wash.

9:22 a.m.

Pima County announced these road closures:

CDO Wash at Overton Road
Overton Road West of Verch Way

For weather-related road closures after business hours and on weekends, call the Pima County Sheriff’s Road Condition Hotline: (520) 547-7510.

9:20 a.m.

The Community Food Bank of Southern Arizona closed its food distributions at Marana and at Kino Sports Complex due to lightning.

9:04 a.m.

A severe thunderstorm warning is in effect east of Sahuarita and Green Valley, south of Corona de Tucson, in both Pima and Santa Cruz Counties until 9:45 a.m.

8:22 a.m.

Another flash flood warning is in effect for the Marana and Picture Rocks areas until 11:15 a.m.

8:20 a.m.

The National Weather Service extended the Flash Flood Warning to 11:15 a.m.

8:05 a.m.

The National Weather Service extended the Flash Flood Warning until 11 a.m.

As many as two inches of rain have fallen.

Flooding is expected in Tucson, Tanque Verde, Catalina Foothills and Sabino Canyon Recreation Area. The Alamo Wash between Speedway and Grant and Snyder Rd from Kolb Rd to Sabino Canyon Road will be susceptible to flooding.

Bird Canyon, Pantano Wash, Tanque Verde Wash, Sabino Creek, Ventana Canyon Wash, Rillito River and Esperero Wash could also be flooding hot spots.

7:53 a.m.

The National Weather Service issued an Urban and Small Stream Flood Advisory for central Pima County until 11 a.m. East Central Pima County in southeastern Arizona...

As much as 1.5 inches of rain had fallen as of 7:48 a.m.

Areas in danger of flooding include Tucson, Casas Adobes, Drexel Heights, Flowing Wells, Tanque Verde, Catalina Foothills, Sabino Canyon Recreation Area, Valencia West and Tucson Estates.

7:41 a.m.

The National Weather Service issued a Small Stream Flood Advisory for poor drainage areas in north central Pima County until 9:30 a.m.

Doppler radar tracked heavy rain from thunderstorms that could cause flooding in I-10 in the Picacho Peak area, Avra Valley, Picacho Peak State Park and Red Rock.

As much as an inch of rain was expected to fall in the area.

6:45 a.m.

The National Weather Service issued a Flash Flood Warning for northeastern Pima County, including the Bighorn Fire burn scar.

The warning, which includes eastern Oro Valley and Catalina State Park, lasts until 8:30 a.m.

Heavy rain was expected over the western slopes of the Bighorn Burn Scar in the Catalinas, causing flooding that will consist of rock, mud, vegetation and other loose materials.