Reported by 3 sources

The short version

  • A series of violent storms brought golf ball-sized hail, 72 mph winds, and possible tornadoes to central Arizona overnight into Thursday.
  • Heber-Overgaard in Navajo County reported significant property damage, downed utility poles, and at least one injury, prompting a state emergency request.
  • Meteorologists described the event as highly unusual for the region during this time of year, fueled by warm, moist air moving north from the California coast.

A rare and violent series of storms swept through northern and central Arizona overnight into Thursday, bringing severe weather conditions that included golf ball-sized hail, damaging wind gusts reaching 72 mph, and possible tornadoes. The National Weather Service issued multiple warnings as the systems moved across the state, marking a significant departure from typical autumn weather patterns for the region.

The most intense activity occurred in Heber-Overgaard, a community of approximately 3,000 residents in Navajo County, located about 140 miles northeast of Phoenix. A tornado warning was in effect as a storm moved over the area on Wednesday night. Residents posted images and video online showing uprooted trees, crumpled structures, and downed utility poles. The Navajo County Sheriff’s Office reported significant damage and at least one minor injury resulting from the severe conditions.

News Journal

Walt Blackman, a Republican state representative whose district includes parts of Navajo County, requested a declaration of state emergency following the storm. In a statement, Blackman noted that families were left without power and that property damage was widespread. The severity of the impact was evident in local infrastructure, with utility poles knocked down and trees falling onto homes and vehicles.

The timing of the storm disrupted community activities, including a prayer meeting at the Overgaard Baptist Church. Church members reported losing several trees, signs, fences, and windows during the event. Despite the structural damage and rattled nerves, the congregation noted that all members were safe, with some seeking shelter in the women’s restroom during the height of the storm.

Beyond Heber-Overgaard, the storms affected a broader area of central and northern Arizona. Hail the size of golf balls pummeled roofs, shattered windows, and dented cars across the region. Strong winds toppled trees in Flagstaff and Mesa, with some large specimens landing on walls and carports. In the Coconino National Forest northwest of Flagstaff, dozens of ponderosa pines more than 30 feet tall were knocked down.

Ryan Bernhart, a meteorologist with the National Weather Service in Flagstaff, emphasized the unusual nature of the event. He noted that the fallen trees in the national forest were not small saplings but strong, mature trees, indicating the force of the winds. Bernhart described the weather as very unusual for this area at this time of year, highlighting the rarity of such severe convective activity in October.

The meteorological conditions driving the storms involved warm, moist air moving north from the California coast. As this air mass interacted with changing winds, it created instability that allowed storms to spin and potentially generate tornadoes. The National Weather Service also issued flood watches for some areas as the storms traveled through central Arizona early Thursday.

While the immediate threat has passed, residents in affected areas are dealing with cleanup efforts and power outages. The combination of hail damage, wind-blown debris, and potential tornado impact has left a trail of destruction in communities that rarely experience such intensity. Authorities continue to assess the full extent of the damage as emergency services respond to reports of downed lines and blocked roads.

This event underscores the increasing volatility of weather patterns in regions traditionally considered less prone to severe thunderstorms. As climate conditions shift, meteorologists warn that unusual events like this may become more frequent, requiring residents to remain vigilant even during seasons when severe weather is not typically expected.

Sources behind this briefing

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