Headline:
Flash Flood Warning issued August 29 at 10:27PM MST until August 30 at 12:45AM MST by NWS Tucson AZ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 29, 2026 - 10:27pm
Expires:
August 30, 2026 - 12:45am
Description:
FFWTWC
The National Weather Service in Tucson has extended the
* Flash Flood Warning for...
Western Graham County in southeastern Arizona...
East Central Pinal County in southeastern Arizona...
* Until 1245 AM MST.
* At 1027 PM MST, Doppler radar and automated rain gauges indicated
thunderstorms produced heavy rain across the warned area. Between 1
and 3 inches of rain have fallen in the Aravaipa Watershed.
Flooding impacts will continue, but no additional rainfall is
expected. A stream gauge in the Aravaipa Canyon showed a rapid 6
foot rise and this flood wave is moving downstream. Hikers and
campers should move away from the creek now.
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...
Aravaipa Canyon Wilderness.
This includes the following streams and drainages...
Deer Creek, Telegraph Wash and Aravaipa Creek.
Instruction:
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
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.
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.
Area Description:
Graham, AZ; Pinal, AZ
Forcast Office:
NWS Tucson AZ
Sender:
w-nws.webmaster@noaa.gov