Headline:
Flash Flood Warning issued August 31 at 4:43AM MST until August 31 at 7:00AM MST by NWS Tucson AZ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 31, 2026 - 4:43am
Expires:
August 31, 2026 - 7:00am
Description:
At 443 AM MST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 1
and 2 inches of rain have fallen. The AZGFD3 and Diamond Bell Ranch
alert gauges have recorded 1.5 inches in the last hour and a half.
Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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...
Three Points, Tucson Estates, Tucson Mountain Park and Ryan
AirField.
This includes the following highways...
Route 86 between mile markers 146 and 160. Route 286 between mile
markers 25 and 45.
This includes the following streams and drainages...
Alambre Wash, Cerro Prieto Wash, Saucito Wash, Altar Wash, Brown
Wash, Brawley Wash, Banner Wash, Fresno Wash, Mendoza Wash, South
Mendoza Wash and Soto Wash.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Area Description:
Pima, AZ
Forcast Office:
NWS Tucson AZ
Sender:
w-nws.webmaster@noaa.gov