Severe storms prompt tornado warnings as Pittsburgh area braces for more wet weather
Sunday's bout of severe weather prompted tornado warnings across parts of Allegheny, Washington and Westmoreland counties.
Shelf clouds and wall clouds | Hey Ray
Some cloud formations can look scary, and they can be a sign of a storm. Here's how they form and what they are.
Storm damage in Butler County is from a tornado, National Weather Service says
We're in for a lot of rain, and storms are possible on Wednesday.
The Cone of Silence | Hey Ray
If you've heard the term "The Cone of Silence," it's more than something from TV or movies; it's also scientific!
Finding something special in a deck of cards | Hey Ray
Once you shuffle a deck of cards, something really special can happen!
A unique look at the history of units of measurement | Hey Ray
Meteorologist Ray Petelin shows us some other weird ways we measure in this edition of Hey Ray.
Rare smiley face will light up Pittsburgh-area sky on Friday morning
The sky in the Pittsburgh area may smile back at you on Friday, April 25.
Esplanade developers face challenges building on brownfield
The riverfront site of the proposed Esplanade on the North Side is a brownfield — a piece of land contaminated by former industry.
Lightning striking in the same place more than once seems unlikely | Hey Ray
Some may wonder if lightning can strike in the same place twice, and if a human can survive multiple strikes.
Paper popper noise makers | Hey Ray
Remember making paper popper noise makers in school? Well, you might not realize, there's a lot of science behind them!
Severe weather prompts tornado watches, warnings across Pittsburgh area
A round of severe weather prompted several watches and warnings across the Pittsburgh area on Sunday.
Pi can be used to measure many different things including hat size | Hey Ray
Pi is a ratio that can be used to measure many different things including someone's hat size.
Scattered storms develop across Pittsburgh area Sunday
Isolated showers and storms will be northwest of Pittsburgh and more storm chances are in the area for the weekend.
"Blood moon" lunar eclipse lights up western Pennsylvania skies
The total eclipse began Friday at 2:26 a.m. and lasted for nearly an hour, ending at 3:31 a.m.
Here's how to watch the "blood moon" total lunar eclipse in Pittsburgh
Early Friday morning, the Pittsburgh region will be treated to a total lunar eclipse, and the weather looks like it will be cooperative.