Weather Explained

FOX6 Chief Meteorologist Tom Wachs explains the difference between dew point and relative humidity.

FOX6 Chief Tom Wachs explains how ground-level ozone forms.

FOX6's Tom Wachs talks about the 1984 Barneveld tornado.

FOX6's Tom Wachs explains what a cap is, and how it can prevent thunderstorms from forming.

FOX6's Tom Wachs talks about how visible satellite works -- and what we can see when conditions are right.

FOX6's Tom Wachs breaks down what you need to know about the free 2025 Storm Spotter Training.

FOX6's Tom Wachs answers the question about dew point -- and dropping below zero. It turns out, yes, it can.

What a mess on Groundhog Day in 2011. FOX6's Tom Wachs shows you the snowfall totals from that date in Milwaukee history.

FOX6's Lisa Michaels explains was causing strong winds, which can often lead to a wind advisory.

FOX6 Chief Meteorologist Tom Wachs explains the concept of freezing mist -- and tells you how it is created.

FOX6 Weather Expert Holly Baker explains what causes advection fog.

FOX6 Chief Meteorologist explains the ingredients needed for lake effect snow.

FOX6 Weather Expert Stephanie Barichello explains the National Weather Services new snow squall warning -- and why it is so different.

The FOX6 Weather Experts offer a winter outlook as southeast Wisconsin begins the cold weather months.

FOX6's Tom Wachs reacquaints us with the winter weather alerts we'll expect to see this upcoming season.

FOX6 Chief Meteorologist Rob Haswell explains how the different types of precipitation form -- as we enter the time of year where more of this is happening.

Thunder is obviously very loud, but sometimes it can be exceptionally loud. FOX6 Chief Meteorologist Tom Wachs explains how a temperature inversion can really make the thunder go boom.

FOX6 Chief Meteorologist Rob Haswell talks through the key tropical ingredients needed to make a hurricane.