Flood Watch — Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Western Mogollon Rim; Eastern Mogollon Rim; Northern Gila County; Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons Severity: Severe. Certainty: Possible. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...western Coconino, northern Gila, far southern Navajo, and Yavapai counties. * WHEN...Through late tonight. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents will be possible in side canyons and narrow slot canyons. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Numerous showers and thunderstorms are expected to continue across the area through tonight. With tropical moisture in place from the remnants of Tropical Storm Rachel, periods of embedded heavy rainfall will be possible this afternoon which could lead to flash flooding. Additionally, the extended period of rain could lead to elevated flow in creeks, normally dry washes, and rivers. - Additional information is available at weather.gov/flagstaff.
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