Australian Government Bureau of Meteorology

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Ever had a question about the weather or the work of the Bureau? Watch the #AskBOM series for answers from our experts.

AskBOM:What is the monsoon?

A monsoon is a time of the year when seasonal winds generate widespread, persistent rain across a broad region. Climatologist Greg Browning explains how the Australian monsoon delivers the vast majority of annual rainfall across most of our tropical north and can feed into humidity and thunderstorms in the south. Read more at

AskBOM: What is a severe thunderstorm?

Severe thunderstorms are built differently from other storms, meaning they can last last many hours and travel long distances— potentially causing considerable damage. Read more at

AskBOM: Why do we have different climates across Australia?

If you're travelling across Australia, you'll notice a huge variety in our terrain. This is because Australia covers a large range of climate zones. These are regions of the world that experience similar temperature and rainfall. This video explains the different climate zone.

AskBOM: How does a weather radar work?

Australia has the fourth-largest weather radar network in the world, with more than 60 radars. But what's inside those big golf ball shapes, and how do weather radars work? For more information, visit

AskBOM: What is a cold front?

A cold front is a feature we see every day on weather maps, particularly through southern parts of Australia. This video explains the meteorology behind a cold front and typical impacts, including abrupt changes in temperature, wind speed and direction, and rainfall.

AskBOM: What is 'feels like' temperature?

There's the air temperature, and there's what it 'Feels like'. Bureau of Meteorology senior meteorologist Jenny explains how we calculate and forecast 'apparent temperature'—taking into account wind chill and humidity.