Flood in Navajo County, Arizona
Flood August 9, 2023 – August 12, 2023 · Navajo County, Arizona
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A USGS stream gage on the Little Colorado River at Woodruff showed a rise of 6.9 feet starting at 120 PM on August 9. The flow returned to a normal level around 1000 PM on August 10. The flood started at Hoolbrook at 600 PM August and rose around 4.5 feet by 200 AM on August 10. This flood reached the Colorado River at 500 PM on August 10 and the river level rose 1.7 feet.
The wider storm
The air flow over Arizona slowly transitioned from a west to east trajectory, to more southerly. This was due to a nearly stationary low forming off the western coast of California, which will provided some dynamical forcing. This allowed moisture to move northward from Mexico. Scattered to numerous showers and thunderstorms formed over the north-central Arizona.
Began near Woodruff (34.7800, -110.0400).
Other tornadoes from the same storm system
1 more tornado the National Weather Service filed under this storm episode.
Source: NOAA Storm Events Database, event 1109726. Narratives are written by the National Weather Service forecast office that issued the report.
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