Sunspots, solar flares, and the solar cycle | Hey Ray
Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science behind it!
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Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science behind it!
You often hear meteorologists talk about meteorological and astronomical seasons, but what is the difference?
One viewer asks, "Why do Atlantic storms have one name and Pacific storms have another?"
As summer winds down, we approach the peak of hurricane season, so how does the eye of the storm develop?
Certain kinds of cirrus clouds can precede an approaching front by a day or two.
If you've ever wondered how hurricanes get their names, it's actually a pretty rigorous process!
Salt has many uses in our modern world, but did you know that it's chilling effect can be used to make ice cream?
The peak of this year's Perseid Meteor Shower is August 12th and 13th.
You've heard the phrase "Dog Days of Summer," but you'd be surprised to learn it has nothing to do with our furry friends.
You might have heard the term St. Elmo's Fire from the movie, but it's also a meteorological phenomenon!
Have you ever run your finger around the edge of the glass to make a sound? It's energy and science!
Some cloud formations can look scary, and they can be a sign of a storm. Here's how they form and what they are.
If you've heard the term "The Cone of Silence," it's more than something from TV or movies; it's also scientific!
Once you shuffle a deck of cards, something really special can happen!
Meteorologist Ray Petelin shows us some other weird ways we measure in this edition of Hey Ray.
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!
Scattered strong to severe storms are possible with damaging winds, hail and an isolated tornado not out of the question.
The average price of gas across the U.S. last reached $4 after Russia's invasion of Ukraine sent crude oil prices surging.
Jaison Martin, 16, is accused of shooting another teenager along Rosedale Street on Monday night.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
Chase Burns allowed one hit in five innings for his first major league win, leading the Cincinnati Reds to a 2-0 victory over the Pittsburgh Pirates.
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.
Two Republican state senators have introduced a proposal to hold people accountable for evading tolls on the Pennsylvania Turnpike.
In a 54 to 37 vote, two Democrats voted with all Republicans in attendance to advance Sen. Markwayne Mullin's nomination. A final confirmation vote is expected in the coming days.
Most Republicans, especially MAGA, continue to support the US action and express a lot of confidence in Trump personally.
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 gas price spikes are real and apparent. Here's how Pittsburgh drivers can save money.
The Wing-A-Ding bracket is fully underway. We started with "Saucy 16," and then whittled it down to the "Ate the Whole Plate 8." Now, it’s time to reveal the PTL side of the "Fried Up 4."
Daisy Jade took a trip to Floor & Decor in Bethel Park, the first in the Pittsburgh region, to get all the details ahead of the store's grand opening.
With the warmer temperatures settling in, that means farmers' market season is officially back. To celebrate, Chef Doug Heilman is here with bright, simple ideas to help you make the most of all the produce you’ll be bringing home.
Easter baskets are usually packed with jelly beans and chocolate eggs, but what if you tucked in something a little more unexpected this year, like cake? Evan Morgan-Newpher, owner of Evanly Bakes, created this sweet, mess-free treat.
Spring is a natural reset point, and that can include your fitness! Mikey and David are joined by an old friend, Daniel Hill of House Call Training, who gives you some easy, at-home workouts to kickstart your spring!
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.
Chase Burns allowed one hit in five innings for his first major league win, leading the Cincinnati Reds to a 2-0 victory over the Pittsburgh Pirates.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Anthony Mantha had two goals and an assist, and the Penguins rallied to defeat the Islanders 8-3 on Monday night in a crucial game in the Eastern Conference playoff race.
Sidney Crosby returned to the lineup for the Pittsburgh Penguins' game on Monday night against the New York Islanders.
Aaron Rodgers is expected to make a decision about his future with the Pittsburgh Steelers before the upcoming NFL draft.
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 budget airline Breeze is launching a new nonstop route from Pittsburgh to Myrtle Beach this summer.
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."
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Mary Ours!
Police said a teenage boy was shot in Homewood and a man was shot in Larimer a short time apart on Monday evening.
KDKA-TV's Bob Pompeani and 93.7 The Fan's Andrew Fillipponi discuss today's sports topics.
Six people were indicted on hate crime charges after an antisemitic attack on a Jewish University of Pittsburgh student in 2024, federal prosecutors announced on Monday.
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Ray Petelin's forecast.
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.
