FloodZoneMap.org

Flash Flood — Santa Cruz, AZ

Jul 27, 2021

A slow moving upper level weather system produced periods of heavy rain across southeast Arizona July 24 and 25, especially in Pinal and Pima counties. Flash flooding occurred where soils were already saturated from heavy rains of July 22 and 23 and runoff continued to fill the Santa Cruz River downstream. Floodwaters caused considerable road damage and a levee break in Greene Wash also caused significant damage to a section of a canal in Pinal County. Before the weather system exited the area,

Source: NOAA National Weather Service Storm Events Database (event 976518). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Santa Cruz, AZ

This event is one of many recorded floods in Santa Cruz County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Santa Cruz County flood data →

More Flood Stories

Flash Flood1 death

Santa Cruz, AZ · Jul 29, 2021

Scattered thunderstorms moved southwest across southeast Arizona during the afternoon and evening hours. One storm caused wind damage and flash flooding at Organ Pipe Cactus National Monument.

Read the full account →
Flash Flood$100K damage

Santa Cruz, AZ · Sep 17, 2014

An initial band of moisture associated with Tropical Depression Odile, once rated as strong as a Category 4 hurricane, contributed to heavy rainfall in Greenlee County on September 16th.

Read the full account →
Flash Flood$30K damage

Santa Cruz, AZ · Jul 25, 2014

High pressure returned to a favorable location over New Mexico, increasing moisture across southeast Arizona, with precipitable water values ranging from 1.2 to 1.6.

Read the full account →
Flash Flood$20K damage

Santa Cruz, AZ · Jul 7, 2014

Precipitable water values in Southeast Arizona were between 1.5 and 1.8 inches with weak steering flow. Thunderstorms that developed were very slow moving with rainfall amounts in excess of one inch in some locations. Flash flooding occurred in both Pima and Greenlee Counties.

Read the full account →