Hey Ray! Understanding Smog And Poor Air Quality
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.
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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.
If you think about it, water can be kind of weird.
Gravity is the force that attracts things toward other things that have mass.
It may be controversial to say in these parts, but it is ridiculous to use relative humidity as an indicator of comfort.
We all know that in the summer, our cars basically turn into ovens.
Last week, we talked about how light pollution makes it harder, if not impossible to see some amazing things in the night sky.
During the daytime, when you look to the sky you can't see stars, or sometimes planets that you can see at night. While daylight is the obvious reason, at night we may not be able to see some of the good stuff because of different kind of light called light pollution.
This is a fun experiment that is easy to do and requires very little set up. I like to call it the "Invisible Extinguisher," since it puts a candle out by using what seems to be an empty glass.
or most of us, television has been around for most of our lives. A click of a remote, and information and entertainment appears before our eyes. A lot goes into making that seemingly easy thing happen, though.
We have done a lot of experiments and covered a lot of topics. This time, we are going to play around with density, and use its ingredients to make some weird science.
One of the most attention getting weather phenomena is the rainbow.
Some of the most important weather terminology for safety is often the most confused weather terminology. Those terms are "watch" and "warning".
Sometimes in science, things mix well, other things don't, and sometimes that mix takes time. That can be said for the Three Rivers, too.
You may have heard the scientific expression "An object at rest stays at rest."
Remember that one time in math class when you said, "I am never going to use this in real life"?
Some kind of clouds can help predict the weather.
If you've ever wondered how hurricanes get their names, KDKA First Alert Meteorologist Ray Petelin is here to explain how!
We use salt for so many things these days, but did you know that it can be used to make ice cream? Ray Petelin shows you how in an all-new Hey Ray!
One of the coolest things to see in the summertime happens from late July through late August.
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. Ray Petelin explains in a new Hey Ray!
You have certainly heard the name from the classic 80s movie, but it's more than just that. It's a meteorological phenomenon. Ray Petelin explains!
Sound and energy are really cool things, but Ray Petelin shows how that energy can be transferred from one place to another in a new Hey Ray!
Some cloud formations can look downright creepy and those clouds are shelf and wall clouds. Meteorologist Ray Petelin explains what they are, how they form, and what kind of threat they pose in a new Hey Ray!
You've heard the term "Cone of Silence," right? Well, Ray Petelin is here to explain how it's more than just a concept from TV and movies, it applies to weather!
While a deck of cards may seem ordinary, once you shuffle them, something special happens! Ray Petelin explains in a brand new Hey Ray.
The university says that the Lambda Lambda chapter of the Phi Beta Sigma has been suspended for a minimum of four years.
The crash happened along Leckrone High House Road in German Township early Saturday.
Jared Lampus was arrested Friday and is facing rape and sexual assault charges.
Police say the manager of the Washington Vape & Tobacco shop could be facing criminal charges.
Aaron Pennix is facing four counts of attempted homicide.
President Trump and Russian President Vladimir Putin held a high-stakes summit in Alaska, but the talks did not yield a ceasefire in Ukraine.
President Trump and Russia's President Vladimir Putin held a rare meeting Friday at Joint Base Elmendorf-Richardson in Anchorage, Alaska.
Pennsylvania Democrats are promoting a bill that would ban federal agents from wearing masks while working in the state.
President Trump announced this year's "truly exceptional class" of Kennedy Center Honorees and said he will host the annual ceremony himself.
PRT says that without additional funding, 35% of its services are on the chopping block.
Shayna, known for her popular TikTok account, Saving With Shayna, joined us to share her ultimate list of back-to-school deals.
Pennsylvania Attorney General Dave Sunday has joined a national effort to crack down on robocalls.
Billionaire Mark Cuban was back in the Pittsburgh area, as he announced a new partnership with Giant Eagle.
It's no secret that for many people, they wait until the last minute for back to school shopping.
Back-to-school shopping season is in full swing. We broke down how to shop smart before the first bell rings.
We'll miss our beloved Team PTL members, Patty and Steve! We wish them all the best in retirement!
That's a wrap for this week on PTL!
If you're looking to invite a unique guest to your final summer pool party, Merveda the Mermaid is available in western Pennsylvania! Team PTL's Daisy Jade gets to know the aquatic attraction!
What's summer without a little bit of outdoor competition? Team PTL has a little bit of friendly fun thanks to Yinz Bounce N'AT!
If you're still looking for some last-minute summer fun, you can head to DelGrosso's Park in Altoona, and that's where we find Team PTL's Daisy Jade learning about all the fun they have to offer!
The Shuman Juvenile Detention Center reopened last summer with the promise of taking serious juvenile offenders off the street.
Amid questions surrounding Pittsburgh's budget challenges, the two candidates for mayor shared what they think needs to be done.
Is Pittsburgh headed for a budget crisis, or is it already in crisis?
At the end of the last school year, Brownsville Area School District put a ban on all wearable technology.
Experts are examining the potential connection between air quality in the Mon Valley and student absenteeism.
The Allegheny County Health Department detected West Nile Virus in more samples this week and will now treat several neighborhoods.
This weekend's distribution continues an effort that has led to a steady decline in rabid raccoons in Allegheny County over two decades.
Low levels of the bacteria that causes Legionnaires' disease were detected at the county's South Campus in Mohnton, Pennsylvania.
Police in West Virginia shot and killed a man who became violent in a hospital emergency room and produced a knife.
Instagram rolled out a new Map feature that lets users see their friends' locations in real time. Here's why privacy experts are concerned.
Kickoff for the Steelers-Buccaneers game is set for 7 p.m. and you can watch the game on KDKA-TV.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Jack Suwinski hit a tiebreaking solo homer in the ninth inning to give the Pittsburgh Pirates a 3-2 win over the struggling Chicago Cubs.
The team from Upper Uwchlan Township in Chester County, Pennsylvania, will now head to the elimination bracket.
The Wells Fargo Center has changed its name to Xfinity Mobile Arena, weeks before it was originally scheduled to take effect.
The company announced the layoffs as part of a comprehensive cost reduction plan due to reduced sales.
Grant Bar and Lounge in Millvale is for sale.
Ten restaurants in Pittsburgh earned prestigious awards from Wine Spectator for their world-class wine selections.
After only three years, Midland Innovation and Technology Charter School is closing its doors.
Mario Lemieux and Ron Burkle sold the Penguins in 2021 for $900 million and the team could be worth double that price now.
Taylor Swift's upcoming album release and her love of all things orange isn't lost on her fans — or businesses clamoring for a piece of the action.
The Little Italy Days festival in the heart of Pittsburgh's Bloomfield neighborhood is Italian heaven.
Swift joined "New Heights" alongside Travis Kelce, opening up about their relationship, buying back the master recordings of her first six albums, Easter eggs and her upcoming album.
Country music icons Rascal Flatts are hitting the road again next year for their "Life Is A Highway" tour.
President Trump announced this year's "truly exceptional class" of Kennedy Center Honorees and said he will host the annual ceremony himself.
Some kind of clouds can help predict the weather.
The university says it began investigating the Phi Beta Sigma chapter in March.
Police say Aaron Reddix is facing attempted homicide charges for shooting four people at a party in East Liberty earlier this summer.
Get the latest weather forecast from KDKA First Alert Meterologist Trey Fulbright!
The speed at which U.S. Steel's preliminary results came surprised Clairton Mayor Rich Lattanzi.
Spaun made a thrilling 64-foot birdie putt to win the U.S. Open at Oakmont Country Club.
It was a wet and rainy day at Oakmont Country Club for the third round of the U.S. Open.
Oakmont continued to flex its muscles against the world's best at the U.S. Open on Friday.
The 125th playing of the U.S. Open got underway Thursday morning at Oakmont Country Club.
The best golfers in the world are at Oakmont Country Club preparing for the U.S. Open.
