Fall equinox to winter solstice; how a cataclysmic event caused us to have seasons on Earth

AUSTIN (KXAN) - The changing of the seasons can be a time of celebration around the world, even in areas where the temperature remains close to a hundred degrees, even in the fall.

The thing is... temperature doesn't mark the change of the seasons.

In this First Warning Weather University lesson, chief meteorologist Nick Bannin takes a closer look at the seasons and what exactly is behind them.

In this lesson you will learn about:

• Why the Earth doesn't stand up right.
• Why seasons are different depending on which hemisphere you live in.
• A little Latin that explains spring and fall.

Other FWWU lessons for you and your family:

• Why does it feel hotter when its more humid out?
• Is there a best time of the year to play golf?
• How does the weather impact your allergies?