Headline:
Flash Flood Warning issued September 12 at 6:41PM MST until September 12 at 7:15PM MST by NWS Flagstaff AZ
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 12, 2026 - 6:41pm
Expires:
September 12, 2026 - 7:15pm
Description:
At 641 PM MST, Doppler radar indicated heavy rainfall has ended
across the Dewey area. Between 0.75 and 2 inches of rain fell earlier
today. Flooding impacts will continue, but no additional rainfall is
expected. A stream gauge on the Agua Fria River just south of Dewey
rose around 2 feet at 6 PM, and this elevated flow will continue
downstream this evening.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of creeks and streams,
normally dry washes, urban areas, highways, streets and
underpasses.
Some locations that will experience flash flooding include...
Dewey-Humboldt and Mayer.
This includes the following highways...
State Route 69 between mile markers 278 and 284. Interstate 17 near
mile marker 266.
This includes the following creeks, washes and rivers...
Agua Fria River, Little Hackberry Wash, Ash Creek, Coyote Wash,
Lynx Creek, Big Bug Creek, Osborne Spring Wash, Brushy Wash,
Chaparral Gulch and Yarber Wash.
Instruction:
Flooding of washes and creeks will occur, some dirt roads will become
muddy and impassable. Paved roads and underpasses could become
flooded as well.
Low water crossings will become dangerous in heavy rain. Do not
attempt to cross flooded roads. Find an alternate route.
Area Description:
Yavapai, AZ
Forcast Office:
NWS Flagstaff AZ
Sender:
w-nws.webmaster@noaa.gov