Hey Ray: The Heat Budget
The weather doesn't always change right along with the seasons and a viewer question is a motivation for this week's post!
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The weather doesn't always change right along with the seasons and a viewer question is a motivation for this week's post!
In physics, sometimes, the reaction you get is not the reaction you expected. Meteorologist Ray Petelin explains with a cool experiment.
Ray Petelin is here to tell you all about "cross-quarter days" and Groundhog Day!
Potholes make your commute this time of year a brought one, but what causes them?
You may wonder why we meteorologists don't just use wind chill - here's why!
For years, Ray has been trying to figure out how Santa does it and now he thinks he's cracked the case!
What is the difference between a meteoroid, a meteor, and a meteorite, and why do they burn up in the atmosphere?
This time of year we hear the word "Graupel" so how does form and what is it?
Did you know that there's a bunch of science packed into "pop?"
People think a lot of things are the same, that includes weather and climate, but as Ray Petelin explains, they are not the same thing.
We're at the time of year when you start hearing the term "bomb cyclone." So, what does that mean?
You definitely recognize the "thirsty bird" toy but a lot of science goes into making it work!
When weather events like hurricanes happen, Ray gets plenty of questions, so here are some answers!
Have you ever smelled the weather? It actually does involves some cool science!
Did you know there are a couple of colors that scientifically aren't considered colors at all?
Heavy winds and windstorms have been in the headlines a lot lately, which has plenty of Pittsburghers asking, "Is it windier today than it ever has been in Pittsburgh?" Ray Petelin explains!
Meteorologist Ray Petelin has a weird experiment today where he shows us how to illuminate fluorescent light bulbs without connecting them to a light fixture!
Science can often surprise you! Meteorologist Ray Petelin has a cool inertia experiment where the result may be the opposite of what you think!
It's common to see icicles hanging from roofs or awnings, but can they form sideways? The Barton Family saw just that, and Ray Petelin explains how it may have happened!
When rivers, lakes, and ponds freeze over, it's natural to want to go play on them, but checking them for safety is important. Ray Petelin explains what you need to do to make sure you don't fall through.
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!
A teenage driver is facing charges after police said he hit and killed a tractor-trailer driver on the side of the road and fled the scene.
An 80-year-old man was driving drunk and high when he caused a fiery wrong-way crash on Interstate 70 in Westmoreland County, police said.
An electric car parked in the McCandless Crossing shopping plaza caught fire while charging on Tuesday evening.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
Hershey said Wednesday it will use classic recipes for all Reese's products starting next year, after getting criticism for changing the popular treats.
President Trump is planning to deliver a prime-time address Wednesday night to "provide an important update on Iran," the White House said, as the president faces critical decisions in the monthlong war.
A federal judge has ordered Penn to hand over records about Jewish employees on campus to a federal agency as part of an investigation into antisemitic discrimination.
A federal judge has temporarily blocked the Trump administration's construction of a 90,000-square-foot ballroom to replace the White House's East Wing,
Congress has yet to approve funding for the Department of Homeland Security, which has been shut down for over 40 days.
More than 7 million student loan borrowers who've been enrolled in a Biden-era repayment plan will receive notices with instructions to seek a new plan to repay their debt.
Fat Head's Saloon on Pittsburgh's South Side is closing next month after more than 30 years in business.
Studies show nearly 25% of Pennsylvanians can't pay their power bills at least once a year.
After a rat raised questions about health and safety at The Urban Tap, the owner says the South Side business is ready to gain back the public's trust.
Looking to get free shipping when you make an online purchase, but your order doesn't qualify? Here's how you can change that!
Pennsylvania farmers say economic factors like diesel fuel and fertilizer costs are pushing them to the edge.
The “Fried Up 4” has been revealed. Now, it’s up to you to pick the winners!
Even though the days are warming up, it’s not quite prime planting season yet! No worries, though. Our garden guru, Doug Oster, is here to show which flowers you can plant right now that’ll actually thrive in this early-spring weather.
Easter’s almost here, and the pressure to bring the perfect dish is on. Chef Crystal Baldwin is here to show us a one-pan casserole that’s big on wow and low on effort.
Antiques appraiser Dr. Lori is examining more of your family treasures and heirlooms.
Meg St-Esprit from Kidsburgh is showing us how to dye Easter eggs using fruits and vegetables with the help of her daughter, Naarah.
A Sewickley Hills man said he's left without a usable driveway because PennDOT cannot get it right.
Steven Eason, 15, was shot and killed while trying to break up a fight at the Haunted Hills Hayride in North Versailles in 2021. No arrest has been made.
People in the Pittsburgh area formed "Families for Justice," a support group for parents who lost children to gun violence.
An inspection sheds light on why dust is blanketing a neighborhood in Westmoreland County.
The O'Connor administration will begin taking a scalpel to Pittsburgh's finances as it tries to close a $30 million to $40 million budget hole.
UPMC and AHN say they've been collaborating about getting ready for an event of this magnitude.
When doctors found out Ainsley Flynn had viral myocarditis, they leaped into action to save her. Now, Flynn is giving back.
UPMC Hillman Cancer Center is exploring everything radiation treatment can treat, and the success has been life-changing for people.
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
Oneil Cruz homered twice and Ryan O'Hearn hit a three-run shot as the Pittsburgh Pirates beat the Cincinnati Reds 8-3.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Attorney General James Uthmeier sent a letter to Goodell last week saying the league's 23-year-old Rooney Rule amounts to "blatant race and sex discrimination."
Rickard Rakell, Anthony Mantha and Egor Chinakov scored first-period goals as the Penguins raced past Detroit 5-1.
The new display panels will replace the original sidewalk bricks, which have required repeated repairs since the park opened in 2001.
Fat Head's Saloon on Pittsburgh's South Side is closing next month after more than 30 years in business.
Pittsburgh's newest music venue released a lineup of its first concerts on Monday, giving a taste of what's to come at Citizens Live at the Wylie.
Forbes' latest ranking of the world's richest people has been released, and the list features billionaires with ties to Pittsburgh.
A fire chief says a fire at an Ohio hog farm complex has killed about 6,000 pigs and unleashed a large plume of smoke that could be seen for miles.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
The first stop on Boone's new tour will be at PPG Paints Arena on July 7.
The price hike raises the cost of the standard plan with ads by $1 per month and the cost of the standard and premium plans by $2.
Newborns at a Pittsburgh-area hospital dressed up to celebrate the 20th anniversary of "Hannah Montana."
11 shows will be coming to Pittsburgh, including six winners of the Best Musical at the Tony Awards.
CBS News announced Friday that CBS News Radio will be shutting down this spring after nearly 100 years of broadcasting, citing "challenging economic realities."
Stay on top of local weather with First Alert Meteorologist Trey Fulbright's forecast!
Legislation proposed to Pittsburgh City Council would increase Downtown and North Shore parking rates during the NFL draft.KDKA-TV's Chilekasi Adele reports.
An electric car parked in the McCandless Crossing shopping plaza caught fire while charging on Tuesday evening. The car completely disintegrated, damaging several other vehicles. KDKA-TV's Jessica Riley reports.
It can only take seconds of distraction to get into serious trouble and Pennsylvania Turnpike officials say they don't like the trends that they've been seeing.
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Mary Ours!
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.
