NWS Tucson AZFF.W 0227September 16, 2026
Flash Flood Warning: Pima, AZ
The National Weather Service office in Tucson issued a flash flood warning for Pima in Arizona, which was in force until 4:00 a.m. local time on September 17. It was the 227th flash flood warning the NWS office in Tucson issued in 2026. Arizona had 145 flash flood warnings in September 2026, against 41 in an average September of 2008-2025 (Arizona's flash flood warnings by year).
ExpiredWarning
In force for 5.8 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Tucson AZ
- Area
- Pima
- State
- Arizona
- Level
- Warning
- Issued
- 10:15 p.m. PDT, September 16, 2026
- Expires
- 4:00 a.m. PDT, September 17, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KTWC FF.W 0227
- Official source
- National Weather Service: the notice at its source
Flash Flood Warnings in Arizona since 2008Every warning type in Arizona
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... North Central Pima County in southeastern Arizona... * Until 400 AM MST. * At 1015 PM MST, An automated river gauge along the Brawley Wash at Milewide Road indicated a heavy flow of 2300 cfs (cubic feet per second) that was still rising late this evening. This heavy flow will still result in flash flooding along and near the Brawley wash as the water continues to drain into the early morning hours. HAZARD...Flash flooding caused by heavy rain. SOURCE...Gauges reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Tucson Estates and Picture Rocks. This includes the following Flash Flood Prone Locations... Manville Rd at Brawley Wash.
What the agency told people to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.