Flash flood warnings for Arizona Sunday

The National Weather Service has issued a flash-flood watch for much of Arizona Sunday because meteorologists are expecting heavy rain this weekend.

The flash-flood watch runs from 5 a.m. to 11 p.m. Sunday and includes all of Yavapai County, as well as the entire northwest quadrant of the state. The region could see a couple of inches of rain by Monday, with heavier amounts in localized areas, said Megan Schwitzer of the National Weather Service office in Flagstaff.

Forecasters are urging people in the watch area to track weather updates online at weather.gov/flagstaff.

The remnants of Tropical Storm Ivo, located off the Baja California coast Friday, could further fuel deep monsoon moisture to create heavy rainfall tonight and Sunday in the Southwestern United States, officials warn.

"The position (of Ivo) is favorable for a surge up the Gulf of California and up through the Colorado River Valley," Schwitzer said.

The Weather Service is warning people who live near the Doce and Yarnell Hill wildfire burn areas in the Prescott and Yarnell regions to be especially watchful for potential flash-flooding. Yarnell already has experienced at least one incident of localized flooding, Schwitzer said.

The Weather Service also issued a flash flood warning for Oak Creek Canyon Thursday night, when rocks fell from the canyon walls onto Highway 89A.

The heaviest rain is forecast to fall into Monday.

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