The National Weather Service in State College confirmed an EF0 tornado struck near Lock Haven.
The company said the weather accounted for more than $100 million in losses the first quarter of 2014.
Learn the definition of flash flooding and differences between flash flood watches and warnings.
How can you stay healthy and save money? Pedal more.
A late season storm blanket parts of Colorado with a heavy snowfall.
Dr. Richard Spinrad was appointed by President Obama.
Our perception of weather is usually confined to the right here and right now. The Climate Assessment looks at changes across the entire planet.
Here is a look at how April ranked to other Aprils.
Want to reduce air pollution and protect your health?
While the word turbulence may bring up thoughts of a bumpy flight, some birds appreciate it.
It's the time of the year that sky starts to rumble more often. How can you be safe?
National Arbor Day is April 25. Celebrate by learning about trees, volunteering or planting a tree at home!
How is engineering helping to solve some of our biggest environmental challenges?
The planet is in the habitable zone of a star approximately 500 light years from Earth.
Greenhouse gases often perceived as a negative, but without them, our Earth would be quite harsh. What is the Greenhouse Effect?
Clouds will probably spoil our view of a total lunar eclipse tonight.
April showers bring May Flowers and we usually have plenty of those showers here in Central Pennsylvania.
While the snow was on the ground for much of the winter, there has been a distinct trend to less spring snow cover.
While this winter was colder than average here, the same can't be said for the arctic.
The Cherry Blossoms around the Washington Monuments and Tidal Basin are a little later than usual this year. The date of the blossoms do change with the climate.
March was a cold, but relatively dry month.
A major earthquake struck off of the coast of Chile and has triggered a tsunami.
As we think of spring cleaning, let's also think of keeping the environment safe.
Pollen season is upon us but are changes in our climate changing the allergy season?
As the weather warms and the snow melts, our attention starts to think about spring planting.
Ski season is going strong into March.
It has been a cold winter here in Central Pennsylvania, but was it cold for everyone?
Sochi is among the warmest cities to have hosted the Winter Olympics. How are they pulling it off?
PennDOT has reduced the speed limit on some area roads with snow returning.
Here is a summary of snow reports from viewers and the National Weather Service.
The latest round of winter weather is impacting much of the region with snow and slick roads.
PennDOT has reduced the speed limit on some major routes to 45 mph.
Birds have smart strategies for surviving cold weather.
Hundreds of thousands of PA residents lost power from Wednesday's storm.
What is the climate like for the host location of this year's Winter Olympics?
Normal speed limits are slowly being restored to major roadways.
Communities are asking drivers move their cars from streets so they can be cleared.
Meteorologist Steve Newton explains how snow totals could drop once snow changes to sleet and freezing rain.
More than half a foot of snow fell in some places from the latest winter storm.
The reduction is to the speed limit plow trucks operate.
While Punxsutawney Phil lives a sheltered life, what do the other groundhogs do during our harsh winters?
Less than 3" of snow crippled one of the nation's largest cities earlier this week.
Beet juice is becoming a safe deicer for roads.
Despite the recent cold weather locally, the numbers for 2013 show more of the planet warm then cold.
See some of the images viewers emailed in to WTAJ of what they saw from this weekend's snowstorm.
For the first time since 1993, the number of record lows nationwide has outnumbered the number of record highs.
This is likely the best start to the ski season in about a decade.
LED lightning can give you as bright of a show without risk or spending as much.
November was a colder and snowier than average. How does it stack up to past Novembers?
Team coverage from the ice storm as it moved through the region Tuesday night.