Hey Ray: Frost wedging
Potholes make your commute this time of year a brought one, but what causes them?
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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?
"Temperature sensitivity" means that the inks behavior is dependent on the temperature.
It's going to ruin someone's clothes but it does disappear.
Wouldn't it be nice to disappear? While you can't you can make a special lens to make some invisibility possible!
Have you ever noticed that thunder sounds louder at night? Ray Petelin explains why in a new Hey Ray!
With summer heading to its conclusion, hummingbirds are about to migrate south. Ray Petelin shows you how you can prepare to say goodbye to your friends in a new Hey Ray.
It used to be said that video games were bad for you, but they have become the building blocks of some pretty cool things, including KDKA-TV's new studio! Ray Petelin explains in a new Hey Ray!
A viewer noticed a "hole" in the clouds in the sky, and in this edition of Hey Ray, Ray Petelin explains how these form!
When it's hot, you're always looking for a way to cool off, but did you know you can give your heat to other objects? Ray Petelin explains in a new Hey Ray!
Security cameras can pick up some interesting things, and there is one thing that shows up on cameras that Meteorologist Ray Petelin gets asked about a lot, and today he has the answer.
Summer officially begins on Sunday morning in Pittsburgh, and Ray Petelin is here to break down the "summer stats" for you!
You may know that Ray Petelin considers himself a "Bird Nerd." Today, he is going to show you how to get hummingbirds to come over for a close-up visit!
Coffee is a morning staple for many, and one viewer's coffee comes with a concert built in. Meteorologist Ray Petelin explains why her coffee starts sounding weird!
Sometimes, you look up to the sky, and you see something weird. Other times you look down from up in the sky and you see something extremely weird! That happened to Edna. Pilot's Glory, Glory of the Pilot, or Pilot's Halo — whatever you want to call it, Ray Petelin has an explanation.
A Pittsburgh-area man is facing a terrorism-related charge after the FBI believed he was planning an attack in support of ISIS.
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
West Homestead police are asking for the public's help in identifying two men accused of stealing more than $14,000 worth of Apple products from Costco.
Some neighbors in Pitcairn said they were upset after they learned the borough entered into an agreement for police to act as U.S. Immigration and Customs Enforcement agents.
West Virginia assistant football coach Noel Devine has been arrested on a felony strangulation charge.
Sen. John Fetterman's surprise video introducing Sen. Dave McCormick at the Republican Party's midterm convention sparked a strong reaction from Democrats. KDKA political analyst Jon Delano breaks it down.
Sen. John Fetterman's surprise video at the Republican Party's midterm convention sparked a strong reaction from Democrats.
Democratic Sen. John Fetterman appeared in a surprise video at the Republican Party's midterm convention on Wednesday, as he becomes increasingly isolated from his own party.
A Pennsylvania man is facing charges after police said he called Gov. Josh Shapiro's office and threatened to "destroy the Commonwealth."
The Trump administration moved Tuesday to ban imports of Canadian motorcycles, some dairy products and most types of alcohol starting later this month, intensifying the trade war between the two countries.
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
It seems like each week we get a new story or warning about a scam over the phone or on the internet. Here's how you can avoid them.
With proposed 50% tariffs on the table, the cost of new and used cars could increase by thousands in the near future.
A new report tries to calculate how much Pennsylvanians need to earn to live what's considered a comfortable lifestyle.
The store is expected to open sometime next year.
Daisy goes to Shaler North Hills Library to see how the Allegheny County Library Association is celebrating Love Your Library Month!
Clearview Federal Credit Union put Heather and David to the test to see if they could spot the red flags in a fake email.
Daisy heads to Izzazu Salon for a seasonal makeover and to see the latest fall hair trends!
The sixth annual Kelly O's Rocktoberfest takes place on Saturday, Sept. 19, at Ozone Bar and Grill. The special community fundraiser is dedicated to supporting Jax Ramirez and the IPEX Foundation.
Heather and David chat about their weekends in the Weekend Rewind!
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
The Steel City Youth Football League announced disciplinary action following video that captured an on-field brawl.
Misdemeanor and summary charges have been filed against the coaches involved in a youth football brawl in Pittsburgh.
Police departments all around the country say surveillance technologies like cameras, drones, and license plate readers have proved invaluable in tracking and arresting violent criminals.
Video shows youth football coaches from Carlynton and Keystone Oaks fighting on the field during a game over the weekend.
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
A 40-year-old woman died on Saturday from complications associated with measles, the coroner reported.
Four vaccinated people in Pennsylvania have contracted measles, health officials say.
A Pittsburgh-area hospital is seeing a concerning uptick in withdrawals from what many describe as "gas station heroin."
Mental health days aren't just for adults; oftentimes, children need them, too, so here's what parents need to be on the lookout for.
West Virginia assistant football coach Noel Devine has been arrested on a felony strangulation charge.
During his 25 years as head coach, Joe David led Mt. Lebanon to three WPIAL titles
Saturday's game was delayed for more than one hour because of severe storms in the area.
Sunday brought with it a big first win for the Pittsburgh Steelers, as football is back in the Steel City.
The Pirates (75-75) closed out a 4-2 stay in Chicago. They swept the White Sox before dropping two of three against the Cubs.
Many small businesses are still feeling the impact of last week's severe weather.
Pittsburgh leaders and their partners are making a concerted effort to revitalize a North Side business district.
A federally funded Ohio manufacturing program faces potential shutdown after a new audit by the U.S. Department of Commerce's Office of Inspector General.
Gas station giant Buc-ee's has sparked a backlash in Ohio over one of its frequent trademark infringement lawsuits.
The international fashion retailer Zara will open a location in Ross Park Mall in 2028, as the mall continues to thrive.
Local legend Donnie Iris will headline an early show at Pittsburgh's newest music venue, Citizens Live at The Wylie.
Dolly Parton died in Nashville on Aug. 25 at the age of 80 — a shock to fans around the world who weren't aware of her illness.
A show coming to The Palace Theatre in Greensburg looks to pay tribute to Dolly Parton.
Tim Curry was known for his iconic performances in cult classics like "The Rocky Horror Picture Show" and the original screen adaptation of Stephen King's "It."
Pittsburghers are remembering Dolly Parton as "one of a kind" following her death on Tuesday.
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Ron Smiley!
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Mary Ours' forecast.
Some neighbors in Pitcairn said they are upset after learning the borough entered into an agreement for police to act as U.S. Immigration and Customs Enforcement agents. KDKA's Mamie Bah reports.
KDKA-TV's Bob Pompeani and 93.7 The Fan's Andrew Fillipponi discuss today's sports topics.
Buying a motorcycle, quitting your job, getting a very spontaneous and questionable tattoo. We've all heard the classic signs of a midlife crisis, but it turns out there's a lot more to it than impulse purchases and flighty decisions. Dr. Katie Stewart joins us once again to discuss the dip that can happen during midlife and how to navigate it in a healthy, happier way.
Saturday's game was delayed for more than one hour because of severe storms in the area.
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.
