A tornado is alarming enough on its own. But in Layton, Utah, a storm on Sept. 18 delivered an even stranger scene, with hail piling up so quickly that it appeared to surge through a neighborhood street like a slushy gray river.
The footage provided a striking illustration that severe weather does not always look the way people expect it to.
Here's what to know
The TikTok video by FOX Weather (@foxweather) shows hail coursing along a residential road in Layton while severe weather moved across Utah.
@foxweather ‼️ RAGING RIVER OF HAIL: As a tornado touched down in Utah on Friday, a river of hail made an appearance in a neighborhood in Layton. A wild day for many residents as severe weather impacted several regions across the country. Have you seen videos like this going around? Share them with us and join the conversation. #FOXWeather #Weather #SevereWeather #Hail #Utah ♬ original sound - FOX Weather
What makes the footage so striking is that the hail acts less like isolated ice pellets and more like runoff. Rather than simply bouncing off roofs and sidewalks, it appears to gather and move in a steady stream, creating a hazard that looks part winter storm and part flash flood.
"As a tornado touched down in Utah on Friday, a river of hail made an appearance in a neighborhood in Layton. A wild day for many residents as severe weather impacted several regions across the country," FOX Weather wrote.
One commenter joked, "That's normal in Canada."
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More background
A "river of hail" is a real danger.
When hail falls heavily in a short period, it can clog storm drains, make roads slick, reduce visibility, and leave neighborhoods dealing with sudden piles of ice that are difficult to travel through safely.
Tornadoes and hailstorms can each shatter windows, damage roofs, dent cars, knock out power, and disrupt work and school — not to mention that they can cause injuries. The combination leads to even greater damage, which means more expense and danger for residents.
What can be done?
If you live where tornadoes or hail storms are common, you should start preparing before the sky turns dark. Listen to emergency alerts, know where your nearest storm shelter is, and keep your vehicle under cover whenever the weather turns bad.
However, Utah isn't known for this type of weather, so it's worth putting basic precautions in place even if you don't live in Tornado Alley.
It helps to clear gutters and nearby drains when possible, since heavy hail and rain can quickly overwhelm drainage systems.
A basic emergency kit with flashlights, chargers, medications, and important documents can make a major difference if the power goes out or evacuation becomes necessary.
During a storm, the safest move is usually to get indoors, stay away from windows, and avoid driving unless absolutely necessary.
Streets covered with hail can quickly become slippery, and standing water may hide ice, debris, or deeper flooding.
Afterward, residents can document damage for insurance, watch for downed power lines, and check on neighbors who may need help.
Quick community communication and reliable local warnings remain some of the best tools for reducing harm when extreme weather hits.
Where can I learn more?
Severe weather like the kind seen in Layton has played out in damaging ways elsewhere, too.
• Across 10 states, more than 90 tornadoes underscored how volatile spring weather can become.
• Across the United States, tornadoes and blizzards collided in a jarring stretch of winter weather.
• For households in tornado country, crucial tornado preparedness steps can protect lives and limit losses.
• In Manitoba, storm flooding swallowed lakeside property as severe weather overwhelmed a residential shoreline.
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