Pima County, AZ
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Tuesday 07/21 4:26 PM MDT – Tuesday 07/21 7:30 PM MDT
Issued by NWS Tucson AZ
What
Flooding caused by excessive rainfall is expected.
Where
Northwestern Cochise County in southeastern Arizona... Northeastern Pima County in southeastern Arizona... Southern Pinal County in southeastern Arizona...
When
Until 630 PM MST.
Impacts
Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry washes.
Additional Details
- At 326 PM MST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. Expect water to fill washes within the Santa Catalina Mountains and near Catalina State Park. - Some locations that will experience flooding include... Catalina, Oro Valley, Saddlebrooke, Tortolita, Mount Lemmon/Summerhaven, Saguaro National Park East, Catalina State Park, Redington and Cascabel. - This includes Route 77 between mile markers 81 and 90.
This includes the following Flash Flood Prone Locations... E Wilds Rd at the Canada del Oro. - http://www.weather.gov/safety/flood
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Areas Impacted
- Cochise, AZ
- Pima, AZ
- Pinal, AZ
Tips to Stay Safe
A Flood Advisory is issued when flooding may cause significant inconvenience, or even become dangerous if you are not careful. Know your risk at home, work and school, and use caution when flooding is expected.
- Be aware of low-lying areas along your travel routes that are most likely to flood.
- Check road conditions before traveling, and obey road closures and barricades.
- Never walk, swim, or drive through flood waters.
- Stay tuned for local weather updates on the situation as it develops.
In effect from Tuesday 07/21 6:39 PM MDT – Tuesday 07/21 8:45 PM MDT
Issued by NWS Tucson AZ
What
Urban area and small stream flooding caused by excessive rainfall is expected.
Where
East Central Pima County in southeastern Arizona...
When
Until 745 PM MST.
Impacts
Minor flooding in low-lying and poor drainage areas.
Additional Details
- At 537 PM MST, Doppler radar indicated heavy rain due to several thunderstorms, one near Three Points and the other southwest and west of the Tucson International Airport. This will cause urban and small stream flooding. Between 0.5 and 1 inch of rain has fallen in spots - Some locations that will experience flooding include... Sahuarita, Green Valley, Drexel Heights, Three Points, Pascua Pueblo Yaqui Reservation, East Sahuarita, San Xavier Community, Valencia West, Tucson Estates, Summit, Ryan AirField and San Xavier Mission. - This includes the following highways... Interstate 19 between mile markers 42 and 58. Route 86 between mile markers 143 and 167. Route 286 between mile markers 38 and 45.
This includes the following Flash Flood Prone Locations... Country Club Rd at Franco Wash, Santa Clara Ave at El Vado Wash, Mark Rd from Jeffery Rd to Los Reales Rd, Mission Rd from Valencia Rd to San Xavier Rd, Old Vail COnnection Rd at Franco Wash and Black Wash at S Camino de Oeste. - http://www.weather.gov/safety/flood
What to Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.
Areas Impacted
- Pima, AZ
Tips to Stay Safe
A Flood Advisory is issued when flooding may cause significant inconvenience, or even become dangerous if you are not careful. Know your risk at home, work and school, and use caution when flooding is expected.
- Be aware of low-lying areas along your travel routes that are most likely to flood.
- Check road conditions before traveling, and obey road closures and barricades.
- Never walk, swim, or drive through flood waters.
- Stay tuned for local weather updates on the situation as it develops.
In effect from Tuesday 07/21 1:14 AM MDT – Tuesday 07/21 11:00 PM MDT
Issued by NWS Tucson AZ
What
Flash flooding caused by excessive rainfall continues to be possible.
Where
Portions of Southeast Arizona including Graham, Greenlee, Cochise and Santa Cruz counties.
When
The Flash Flood Watch remains in effect through 10 PM MST this evening.
Impacts
Excessive runoff may result in flooding of rivers, creeks, dry washes, and other low-lying and flood-prone locations.
Additional Details
- The combination of ample moisture and an upper-level disturbance passing across portions of Southeast Arizona from the east today will result in widespread showers and thunderstorms...especially south and east of Tucson. These storms will be capable of producing heavy rainfall, with localized rainfall amounts between 1 and 3 inches. Given how saturated soils are across the area from storms over the past week, there is an increased potential that rainfall runoff to produce flash flooding. - http://www.weather.gov/safety/flood
What to Do
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Areas Impacted
- Upper Santa Cruz River and Altar Valleys including Nogales
- Upper San Pedro River Valley including Sierra Vista/Benson
- Eastern Cochise County Below 5000 Feet including Douglas/Willcox
- Upper Gila River and Aravaipa Valleys including Clifton/Safford
- White Mountains of Graham and Greenlee Counties including Hannagan Meadow
- Galiuro and Pinaleno Mountains including Mount Graham
- Chiricahua Mountains including Chiricahua National Monument
- Dragoon/Mule/Huachuca and Santa Rita Mountains including Bisbee/Canelo Hills/Madera Canyon
Tips to Stay Safe
A Flood Watch means the area may experience a dangerous flooding event, and being prepared may save lives and property.
- Be aware of low-lying areas along your travel routes that are most likely to flood.
- Check your home’s emergency supplies, and make sure all members of the household know your emergency plan.
- Stay tuned for local weather updates on the situation as it develops.
If a Flood Warning is issued, it means that dangerous flooding is expected or already happening.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
Briefings
From the Forecaster
Flash Flood Watch Today
Created by the NWS Tucson WFO
A Flash Flood Watch is in effect through 10 PM MST this evening for Cochise, Graham, Greenlee, and Santa Cruz counties. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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