Tropical Storm Ivo has slowed in wind speed as it moves into northwestern Mexico and the Southwest United States, causing floods in Southern California and Arizona.
The National Weather Service reported
that moisture continued to move on land, mainly in northwestern Mexico, as of Sunday.
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The tropical storm gave parts of Arizona scattered storms over the weekend, carrying rains from the Pacific Ocean into the area. Some parts of the state faced heavy rain Saturday afternoon.
The National Weather Service issued a flash flood watch for much of Arizona on Sunday because of the severe storms. Those areas included Yavapai County, as well as the entire northwest portion of the state.
The region could receive as much as several inches of rain by the end of day Monday.
"The position (of Ivo) is favorable for a surge up the Gulf of California and up through the Colorado River Valley," Megan Schwitzer, of the National Weather Service's Flagstaff office, told The Associated Press.
The National Weather Service warned people living in the Doce and Yarnell Hill wildfire burn areas about potential flash flooding. Yarnell already has experienced at least one incident of flooding.
Punta Abreojos to Cabo San Lucas, and along the Gulf of California coast peninsula from Loreto to Cabo San Lucas had a tropical storm warning Sunday.
Weather forecasters told the Los Angeles Daily News
that showers and thunderstorms from the slow-moving Ivo could cause flooding in the Antelope Valley and the San Gabriel Mountains.
As result, there is a potential for heavy rainfall and flash flooding. There will also be a threat of debris flows below recently burned areas.
A flash flood watch is in effect from 1 p.m. PST through Monday evening in Los Angeles County.
"Excessive runoff from heavy downpours may cause rapid filling and overflowing of normally dry washes and small creeks and low-lying areas," the NWS advisory stated, according to the Daily News. "In addition, there will be a threat of mud and debris flows if thunderstorms affect recent burn areas."
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