Monsoon starts off with vengeance
Widespread thunderstorms hit Yavapai County Thursday, prompting flood watches and warnings all over the Prescott region.
The National Weather Service says the deep monsoon moisture arrived Thursday and will remain in northern Arizona through at least Sunday, producing more dangerous thunderstorms.
"Any storms that form south of a line extending through Prescott and Payson will be capable of producing exceedingly heavy rain with the potential for flash flooding," the Weather Service warned Thursday.
The forecast for the Yavapai County Mountains calls for a 50 percent chance of thunderstorms today, and 40 percent chance tonight through Saturday night.
The Weather Service issued a flash flood warning for south central Yavapai County at 4:43 p.m. Thursday because radar indicated that 2 to 3 inches of rain fell throughout the region, with some isolated areas getting 4 to 5 inches.
The warning specifically cited the Hassayampa River, Kirkland Creek and Highway 89 between mileposts 282 and 288 as potential flood areas.
The Weather Service issued a small stream flood advisory for Prescott, Ponderosa Park, Wilhoit, Skull Valley, Peeples Valley and Walnut Grove at 2:48 p.m. Thursday.
The advisory noted that a cluster of slow-moving strong to severe thunderstorms was moving over the area and producing 1 to 2 inches of rain, with as much as 3 inches in isolated areas.
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