Hey Ray! What Causes The Line At The Confluence Of The Three Rivers In Pittsburgh
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.
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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"?
Pittsburgh has a lot of bridges -- 446 of them! With bridges, there are additional things to be alert for in colder weather, such as ice.
Late in winter, people usually start looking for signs that spring is on the way. The most popular is Punxsutawney Phil. The groundhog isn't the only animal though.
We have talked about how each snowfall is different. How snow is created is different, too.
The hardest season to predict weather is winter, mainly because of snow.
The Moon is neat to watch because it has several different looks during its 27 day cycle. It sometimes looks like a fingernail. Other times it looks like half of a pie, and other times it is a bright, shiny disk in the sky.
Often, I get asked, "Why are you called a meteorologist when you study and predict weather, not meteors?"
The term "polar vortex" may sound like a cold version of a "sharknado", but unlike a sharknado, the polar vortex is a real, meteorological thing.
Standing on Earth and looking out, the Earth looks flat from our very limited view. We know the Earth isn't flat, though. Did you know Earth isn't a perfect sphere either?
After a snowfall, we all like to brag about how much fell, so it is important to measure snow properly. While it sounds like an easy task, you must follow some rules.
Unlike a certain popular television show, we know that winter is coming and exactly when it will get here.
You may have heard about the Christmas Star that will become visible in the December sky. What is it, how rare is it, and how do you see this "star"? Meteorologist Ray Petelin has the answers.
When it comes to thunderstorms, can you really tell how far away a storm is by counting the seconds between the flash of lightning and the rumble of thunder? The answer is yes, but there's a little more to it.
Ever since people looked for ways to predict the weather, one of those ways has been using caterpillars to determine the severity of an impending winter. Ray Petelin explains the theories in a new Hey Ray!
This time of year, it's a common weather question: What is the difference between hurricanes and nor'easters? Ray Petelin is here to explain!
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!