KAIBAB PLATEAU; MARBLE AND GLEN CANYONS; GRAND… — * WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...All of northern and central Arizona.
* WHEN...From late tonight through Thursday evening.
* IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Low-water crossings may be flooded.
* ADDITIONAL DETAILS... - An upper-level trough will bring a deep surge of subtropical and tropical moisture into our region. Showers and thunderstorms will develop across much of northern and central Arizona early Wednesday morning and continue through Thursday evening. Stronger thunderstorms will bring threats of Flash Flooding, while more prolonged rainfall could lead to elevated flow in streams, rivers, and washes. - Additional information is available at weather.gov/flagstaff.
Flooding in Kaibab Plateau; Marble and Glen Canyons; Grand Canyon Country; Coconino Plateau; Yavapai County Mountains; Northeast Plateaus and Mesas Hwy 264 Northward; Chinle Valley; Chuska Mountains and Defiance Plateau; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; Western Mogollon Rim; Eastern Mogollon Rim; White Mountains; Northern Gila County; Yavapai County Valleys and Basins; Oak Creek and Sycamore Canyons; Black Mesa Area; Northeast Plateaus and Mesas South of Hwy 264 can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.
This report is based on information from NWS, monitored by Alert USA's verified emergency feed.
Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.
Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.
Alert USA is tracking this flood event and will update this report as verified information becomes available.
Verified by Alert USA • NWS