Hey Ray! The Science Behind Why Homes Become Drier During Cold Weather
We are now in the time of year where our furnaces roar back to life, and once the furnaces come on, you may notice the air in our homes becomes much drier.
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We are now in the time of year where our furnaces roar back to life, and once the furnaces come on, you may notice the air in our homes becomes much drier.
We are entering snow season, and almost every year on social media, someone posts a video of snow that doesn't turn to water when it melts after being put up to a flame.
This fall, you may have noticed that acorns have been falling by the bucket load.
Whether you say "slippy" or "slippery," we are getting into the time of year where slipping and sliding occur.
Have you ever had a helium balloon in your car and notice that its movements are much different than you would expect? If you never noticed, it is certainly something to see.
KDKA meteorologist Ray Petelin will show you how to make 'magic' simply by using physics!
In science class, when you study the word "Equinox", you usually hear part of the definition with the words "equal night."
When there is storm damage, many times people feel it was caused by a tornado.
People have been trying to predict the weather for a long time. Before we had radars, satellites in space and weather models, the only way to predict the weather was observation.
Sometimes, we see the light from the sun come down in beams of light.
KDKA meteorologist Ray Petelin says that sometimes science happens too fast, and you need to slow things down to see the details of how the world works.
When meteorologists give weather forecasts, we use words as a way of describing how precipitation will arrive in the area.
Did you know it is harder for the air to warm up on really humid days? While it still feels hot, the moisture in the air means, first means there are more "things" to warm up. There is more to it, though.
Weather-wise, one of the things the summer of 2020 will be known for is the heat and dry weather, leaving burnt lawns around the region.
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!
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!
Marat Khusnutdinov and Casey Mittelstadt scored less than a minute apart early in the first period and the Boston Bruins held on for a 2-1 victory over the Pittsburgh Penguins on Tuesday night.
The bodies of two young girls were found inside suitcases in Cleveland, Ohio, police said on Tuesday.
A stunning video shows a brick shattering the front door of a restaurant in Ambridge before a man hurls himself through the broken glass.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
A video shows a rat running around the beer taps at The Urban Tap, a bar on Pittsburgh's South Side.
President Trump said he expects the bombing campaign to last four to five weeks, but "we have [the] capability to go far longer than that."
"Sadly, there will likely be more before it ends. That's the way it is. Likely be more," President Trump said after mentioning the three U.S. service members killed in the operation.
President Trump posted on social media that Iranian Supreme Leader Ayatollah Ali Khamenei had been killed after a massive U.S. and Israeli military operation Saturday.
Americans weighed in on how long a conflict with Iran might last and what Congress should do.
Early on Saturday, the U.S. and Israel launched a military operation in Iran, and Pennsylvania's elected officials have responded.
There are always deals to be had at places like Sam's Club and TJ Maxx, but there are ways to get even bigger discounts.
Ollie's Bargain Outlet in Greensburg has temporarily closed after the Pennsylvania Department of Agriculture found a rodent infestation this week.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
Each year, the American Customer Satisfaction Index releases its survey of supermarkets, and several Pittsburgh grocers got high marks.
Former patients of Dr. Carl Medgaus are running out of time to try to recover money for unfinished dental work.
Chef Crystal Baldwin is here to spice things up with a flavorful Moroccan salmon that might just become your new Friday tradition.
Pittsburgh’s past is coming to life with a swirl of cocktails, the hum of live music, and the delicious aroma of local bites! Daisy Jade was live at the Heinz History Center with a sneak peek.
PTL hosts Heather Abraham and David Highfield discuss Pittsburgh culture, trending news and social media, food, sports, and more.
Antiques appraiser Dr. Lori is examining more of your family treasures and heirlooms.
Bubba from 100.7 STAR joins PTL for another edition of Pop Talk Live!
From freshly washed cars to air conditioning units to entire porches, dust is blanketing one Westmoreland County neighborhood.
Former patients of Dr. Carl Medgaus are running out of time to try to recover money for unfinished dental work.
The Woodland Hills school board has been a lightning rod of controversy since putting Superintendent Joe Maluchnik on administrative leave three months ago.
Almost suddenly, Allegheny County has seen a dramatic drop in the number of people dying.
News organizations in the Pittsburgh area are coming together to help each other survive.
Fish fries can be a quandary for people with heart and other medical issues.
With a measles outbreak in Pennsylvania, local health experts want to send a message to families.
Cracking down on the price of prescription drugs is a hefty task.
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.
Marat Khusnutdinov and Casey Mittelstadt scored less than a minute apart early in the first period and the Boston Bruins held on for a 2-1 victory over the Pittsburgh Penguins on Tuesday night.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Pittsburgh has fired women's basketball coach Tory Verdi.
Pitt's season didn't end the way they wanted it to last year but Mason Heintschel said he's excited to take the next step in his second year with the team.
Bryan Rust, Ben Kindel and Justin Brazeau each had a goal and an assist, helping the Pittsburgh Penguins beat the Vegas Golden Knights 5-0.
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 lawsuit accuses Nippon of prioritizing revenue over worker safety.
West Virginia took a major step in the fight against child pornography Thursday, after the state filed a first lawsuit of its kind against Apple.
The countdown is on, as the NFL Draft comes to Pittsburgh and America turns 250 years old.
Hillary Knight, Megan Keller and Jack and Quinn Hughes made a surprise appearance during "Heated Rivalry" star Connor Storrie's opening monologue on "SNL."
The medical drama "The Pitt" has certainly put a lot of eyes on Pittsburgh, and while the stories are fiction, the show highlights some very real things about the city.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
A Romanian court on Thursday rejected an appeal by American rapper Wiz Khalifa to annul his nine-month jail sentence handed down for drug possession.
The Pentagon released the names of four Army Reserve soldiers who were killed in a drone attack in Kuwait over the weekend, marking the first U.S. deaths in the conflict with Iran.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
A Pittsburgh-area boy set out to collect 300 cereal boxes to help feed classmates in need. But he's crushed his goal, thanks to KDKA-TV viewers.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
A stunning video shows a brick shattering the front door of a restaurant in Ambridge before a man hurls himself through the broken glass. Shelley Bortz reports.
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.