Hey Ray! Tornado Myths And Misconceptions
After tornadoes hit our area, I get some very good questions, and hear some untrue myths. One of them is the misconception that tornadoes don't form near mountains, valleys or lakes.
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After tornadoes hit our area, I get some very good questions, and hear some untrue myths. One of them is the misconception that tornadoes don't form near mountains, valleys or lakes.
Water and electricity should never mix. I think everyone knows that. In this experiment, though, we are going to do an experiment with static electricity and water. All we need is a balloon, a gentle stream of water, and some hair.
Many people love the fall because of the colors foliage becomes before they drop their leaves.
When you hear the word halo, you may think of an angel. The topic here is halos, but these ones are in the sky, and something I get asked about a lot.
I have a new problem this week. I need to get a round coaster through a square hole without ripping the paper.
I had a bit of a problem. I needed to fit my entire body through a hole in a standard piece of printer paper. While this isn't a real problem, it is a fun way to show how the perimeter and area of something is related.
Sometimes, seemingly real things on the internet turn out to be fake, and sometimes seemingly fake things on the internet turn out to be true.
We have discussed gravity in a couple different experiments. This time, I am going to show you something that may seem almost impossible to do.
The atmosphere has weight. The near average weight is 14.7 pounds per square inch. That means every square inch of your body, on average, has 14.7 pounds of atmosphere pushing on it.
Shadows are pretty much an everyday or every night occurrence. Since light travels in a straight line, when something gets in the way of that path, it creates an absence of light, or a shadow.
Have you ever had to get an MRI? That is the loud machine with a very powerful magnet that can make images of the inside of your body.
The night sky is full of amazing things during the summer! One thing that peaks in August is the Perseid Meteor Shower, and it can be one of the biggest celestial highlights in the summer.
When people refer to heat lightning, they are usually talking about seeing lightning, but not hearing thunder in the evening or nighttime, usually during the summer months.
Have you ever tried to pour something from one coffee cup into another, only to have the liquid seemingly stick to the side of the cup, resulting in a mess? Meteorologist Ray Petelin explains the science that makes that mess can also help us perform a pretty cool trick!
Smog and air quality issues can happen in our area any time of the year. Meteorologist Ray Petelin shows us how some weather patterns and our daily routines can also make the air quality worse.
When we get large snowfalls, the same question gets asked - why is snow white but when it melts, it's clear? Ray Petelin answers that in a new Hey Ray!
KDKA meteorologist Ray Petelin uses science to debunk some popular conspiracy theories.
Places, people, and things have a variety of reasons for why they are named the way they are, but have you ever thought about why the Arctic and Antarctic have their names? Ray Petelin has and he explains it in a new Hey Ray!
Whenever snow falls in Pittsburgh, you hear the same refrain: milk, bread, and toilet paper, but do we really need to have those in our home? Ray Petelin makes sure you know how to prepare when snow is coming!
While we may dream of a White Christmas in the 412, the weather is often much more interesting than that. Ray Petelin explains in a new Hey Ray!
Every generation when they get older love to brag about how much snow they had to deal with as a kid, but which Pittsburgh generation has the bragging rights? Ray Petelin breaks it down!
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
You certainly know the dark color of pop, but did you know you can use milk to take the color out of it? Ray Petelin shows you the science in a new Hey Ray!
Lighting a candle seems pretty normal, and pretty easy, but sometimes, the way it lights can be anything but normal. Ray Petelin breaks down the science in a new Hey Ray!
Have you ever been sitting around a campfire, get up and move, only to have the smoke you were trying to avoid follow you? Well, as Ray Petelin explains, there's a scientific reason for that!
Veteran designated hitter and outfielder Marcell Ozuna is heading to Pittsburgh.
A list of school closings and delays for the Pittsburgh area on Monday, Feb. 9.
Seven churches in the Catholic Diocese of Pittsburgh will close next month.
The advisory, issued on Saturday, affected thousands of customers in Allegheny and Washington counties.
Ghislaine Maxwell's lawyer said she would be willing to cooperate with a House panel's probe if President Trump grants her clemency, and would testify that he is "innocent of any wrongdoing."
Ghislaine Maxwell's lawyer said she would be willing to cooperate with a House panel's probe if President Trump grants her clemency, and would testify that he is "innocent of any wrongdoing."
The official DHS statistics, which had not been previously reported, provide the most detailed look yet into who ICE has arrested during the Trump administration's crackdown.
The footage is included in a video that promotes false claims that the 2020 presidential election was rigged against Mr. Trump.
The bipartisan "Bell-to-Bell" bill bars students from using their phones any time they're in school, not just during instructional periods.
It was only a few months ago that Pennsylvania passed the 2025 budget several months late, and now the process begins for this year.
Pennsylvania American Water said that a first round of testing came back negative and an update can be expected late Monday morning.
A woman and her husband are fighting for a $400 refund after they bought furniture from a Value City Furniture store.
It's the end of an era for a grocery store in Carrick.
A Pennsylvania couple says Kia wrongly denied a warranty claim after their car's engine failed at 80,000 miles.
Scams targeting utility customers are on the rise in Pennsylvania, the attorney general says.
Daisy takes us live to learn more about 100.7 Star's Best Pizza in Pittsburgh competition.
We’re hearing from some of you! How did you meet? What is your love story?
Daisy shows us how to see our closet in a different way.
Some local pups will be in the game this year, and we’re meeting one from Animal Friends!
The band has a Pittsburgh connection, and we’re getting a performance live in the studio!
Residents of Millvale are trying to get back to normal after last weekend's major snowstorm.
Tracing the past of Shane Hennen and how his troubled life in Pittsburgh pointed to his future downfall.
People in Avella, Washington County, say they have no phone coverage.
Residents and leaders in Charleroi are concerned about the integrity of roads after a trench collapse last year and ongoing construction.
Patrick Vereb is accused of taking money from pet owners who believed their animals would receive dignified cremations.
The advisory, issued on Saturday, affected thousands of customers in Allegheny and Washington counties.
Pennsylvania American Water said that a first round of testing came back negative and an update can be expected late Monday morning.
Doctors said the drugs can help people lose unwanted pounds while retaining muscle.
Southwestern Pennsylvania's cold and snowy winter is taking its toll on more than just our roadways and walkways.
The Liberty-Clairton area is under a code orange air quality action day, according to the Pa. Dept. of Environmental Protection.
Veteran designated hitter and outfielder Marcell Ozuna is heading to Pittsburgh.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Crosby served as captain for Team Canada in 2014 when NHL players last participated in the Olympics.
Rodgers spent last year with the Pittsburgh Steelers for his 21st NFL season.
The 31-year-old Puerto Rican artist Bad Bunny took the stage on Sunday dressed in all white, donning a jersey with his last name, Ocasio, and the number 64.
More than 140 employees at Nemacolin were informed they were being let go.
It's been about six years since the pandemic, and a lot of people working from home, but now companies are slowly calling them back to the office.
Pittsburgh Mayor Corey O'Connor on Tuesday announced a new initiative aimed at revitalizing neighborhood business districts across the city.
A handful of Pittsburgh-area Value City Furniture stores are going out of business after their parent company filed for bankruptcy.
It has been five years since the home improvement retailer Menards bought a large parcel of land off Route 30 in Westmoreland County.
The 31-year-old Puerto Rican artist Bad Bunny took the stage on Sunday dressed in all white, donning a jersey with his last name, Ocasio, and the number 64.
Brad Arnold, the founder and lead singer of the 3 Doors Down has died following "his courageous battle with cancer," the rock band announced Saturday on social media.
Bad Bunny took the stage at halftime for the 2026 Super Bowl. Here's who else performed at Super Bowl 60.
Filming for the final season of "Mayor of Kingstown" is expected to take place between March and June.
Many Super Bowl 60 ads are already online, along with teasers for commercials that will be unveiled during the NFL championship on Feb. 8.
Stay on top of local weather with First Alert Meteorologist Mary Ours' forecast!
Seven churches in the Catholic Diocese of Pittsburgh will close next month. KDKA-TV's Chilekasi Adele shares the details.
A boil-water advisory that had been in effect for nearly 100,000 Pennsylvania American Water customers across Washington and Allegheny counties was lifted on Monday.
Customers in Washington and Allegheny counties remain under a boil water advisory stemming from a massive water main break in Elrama on Friday night.
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Ron Smiley!
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
