Headline:
Flash Flood Warning issued September 12 at 1:31PM MST until September 12 at 4:30PM MST by NWS Tucson AZ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 12, 2026 - 1:31pm
Expires:
September 12, 2026 - 4:30pm
Description:
FFWTWC
The National Weather Service in Tucson has issued a
* Flash Flood Warning for...
East Central Pima County in southeastern Arizona...
North Central Santa Cruz County in southeastern Arizona...
* Until 430 PM MST.
* At 131 PM MST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area, with the heaviest rain falling
between Green Valley and Madera Canyon. Between 1 and 2 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
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...
Sahuarita and Madera Canyon.
This includes the following streams and drainages...
Santa Cruz River, Gardner Canyon, Box Canyon Wash, Sonoita Creek
and Josephine Canyon.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
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.
Area Description:
Pima, AZ; Santa Cruz, AZ
Forcast Office:
NWS Tucson AZ
Sender:
w-nws.webmaster@noaa.gov