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Tornado Alerts You Need to Know: Flash Flooding Paralyse Central Iowa

Tornado warnings and flash floods hit Central Iowa on July 12. Travel chaos, road closures, and safety concerns grip Ames, Newton, and surrounding areas.

Central Iowa was battered by a series of life-threatening weather events on Saturday, causing chaos for residents, travelers, and emergency responders. The region was placed under multiple tornado warnings and flash flood alerts as severe thunderstorms swept across counties including Story, Polk, and Jasper. Though the weather warnings have since expired, the impact remains significant as cleanup and rescue efforts continue.

Ames, Newton, and surrounding communities were among the hardest hit. Roads were submerged, travel was halted, and emergency crews faced serious challenges navigating flood-prone zones. The National Weather Service (NWS) issued several urgent warnings throughout the day, as heavy rainfall rapidly inundated streets and low-lying areas.


Flash Flooding Turns Ames into a Crisis Zone

Ames, a vibrant college town home to Iowa State University, saw catastrophic flash flooding that overwhelmed city infrastructure. Within hours, major streets turned into rivers. Local officials declared a city-wide emergency as water depths reached dangerous levels in parts of downtown and residential neighborhoods.

Public works crews worked through the night to unclog storm drains and protect critical infrastructure, while police issued urgent reminders to avoid flooded roadways. Emergency services reported delayed response times due to high water blocking access to some neighborhoods.

“Flooding occurred so quickly that it caught many drivers off guard,” said Ames Public Works Director John Dunn. “Our teams are still responding to waterlogged basements and stranded vehicles.”

Residents were advised to remain indoors and avoid non-essential travel. Images of submerged vehicles and overflowing creeks dominated social media, capturing the severity of the flooding.


Tornado Scare Halts Events in Newton

In Newton, just 35 miles east of Des Moines, the situation turned dire when a tornado warning was issued around midday. The Iowa Speedway, one of the city’s main tourist attractions, had to suspend all operations after meteorologists identified rotating storm cells on radar.

Warning sirens blared as event-goers and staff were instructed to take immediate shelter. Fortunately, the storm system weakened before touching down near the venue, and the warning was lifted without any reported injuries or structural damage.

Still, the incident served as a stark reminder of the unpredictable nature of Midwest weather. “The clouds were rotating fast—it was a scary moment for everyone at the Speedway,” one witness shared.

Though Newton was spared a direct tornado impact, the city experienced torrential rain, minor flooding, and power outages in several neighborhoods.


Eastern Iowa Remains on High Alert

While central counties begin damage assessments, eastern Iowa remains under threat. According to the NWS Quad Cities office, rivers and tributaries in eastern and southeastern Iowa are approaching flood stage, due to ground saturation from prior storms and continued rainfall.

Local authorities in Cedar Rapids, Iowa City, and Davenport have advised residents to prepare for possible evacuations if river levels continue to rise. Some rural roads have already been closed as water levels climb. The Iowa Department of Transportation (IDOT) is monitoring conditions closely and updating detour information through their 511 travel service.


Travel Disruptions Across Central Iowa

Visitors traveling through Iowa this weekend are facing significant delays. Flash floods have rendered multiple sections of Highways 30, 69, and Interstate 35 impassable. Authorities urge travelers to follow the “Turn Around, Don’t Drown” guideline and avoid driving into floodwaters under any circumstances.

Congestion on detour routes has added hours to journey times. Some areas also reported fallen trees, stranded vehicles, and mudslides affecting traffic flow. Tourists planning to attend summer events in Ames, Newton, or Des Moines are advised to check local advisories and postpone travel if possible.

The Iowa Speedway has asked ticket holders to monitor social media and official channels for event updates and re-entry guidance.


How to Stay Safe During Severe Weather in Iowa

As severe weather becomes increasingly frequent across the Midwest, Iowa officials are stressing the importance of preparedness:

  • Monitor Local Forecasts: Stay updated with the latest information from the National Weather Service and local news stations.
  • Avoid Flooded Roads: Do not walk or drive through water-covered roads, even if they seem shallow. A vehicle can be swept away in just 12 inches of water.
  • Shelter During Tornado Warnings: Take cover in a basement or an interior room on the lowest floor. Avoid windows and mobile structures.
  • Prepare for Power Outages: Charge devices in advance, stock up on batteries, and have flashlights and non-perishable food on hand.
  • Check Road Conditions: Use the Iowa 511 app or website for real-time road closures and traffic updates before traveling.

Iowa’s Resilience on Display

Despite the widespread damage, Iowans are coming together. Emergency crews, volunteers, and neighbors are supporting one another, clearing debris, and providing shelter for displaced families. The Red Cross has opened temporary shelters in Polk and Jasper counties, and donation drives are underway to assist storm victims.

“While the damage is real, so is our spirit,” said Polk County Emergency Management Coordinator, Alicia Meyer. “Iowans know how to bounce back—together.”


Final Advice for Travelers

If you’re planning to visit Central Iowa this week:

  • Reconfirm lodging reservations and check if accommodations have been affected by flooding.
  • Carry an emergency travel kit with food, water, medical supplies, and a flashlight.
  • Delay travel if possible and allow time for the region to recover.

For up-to-date weather alerts, visit weather.gov. For traffic and road condition updates, visit 511ia.org.

As the waters begin to recede, Iowa’s recovery efforts highlight both the unpredictability of nature and the strength of its communities. While travel remains difficult, safety remains the top priority for all—residents and visitors alike.

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