Sometimes air goes up past the condensation level then falls back below the condensation level, then up, then below, again and again. This creates clouds that are stripy, often with lines between the clouds.
Robert Lawry/Author provided
Clouds formed by rising warm air currents are called 'convection clouds'. Because of all the rising air coming up, these clouds can be bumpy on top, sometimes looking like cotton wool or cauliflower.
It’s unlikely NSW will get the sustained rain needed to break the drought.
A new outlook from the Bureau of Meteorology forecasts a dry, warm spring – and not the sustained rain we need.
If you live in a place where the weather moves west to east, then an old proverb could help you predict the weather.
The "red sky" proverb has endured across cultures for centuries, and modern science can explain why this is so.
A weather radar mast at Wagga Wagga, NSW.
A government proposal for weather radars to share frequencies with telecommunications providers has prompted fears for the accuracy of the Bureau of Meteorology's weather radar.
Brrr! It’s cold in here!
Winter is here, and many farmers are still waiting on their 'autumn break' of heavy rain. Unfortunately, it looks like it will be a dry, warm winter – although the snow season will likely be good.
The complex low weather system currently swirling over south-eastern Australia.
Bureau of Meteorology
Rapidly dropping temperatures, rain and wind are hitting south-eastern Australia, due to a perfect combination of warm seas and low-pressure systems.
Much of Australia is set for a hot April.
Record-breaking April heat is likely to continue for at least another month.
It’s more important to know whether there’ll be any weather than what the weather will be.
Photo by Loren Gu on Unsplash
The Bureau of Meteorology's climate outlook for April to June is 'neutral', but that doesn't mean we're flying blind, weather-wise.
Australia veered from very wet to very dry in a year of wide-ranging weather extremes.
AAP Image/Mal Fairclough
Last year saw plenty of warm weather around the country, but other notable events included dry months in the southeast, some very cold winter nights, and record-warm dry season days in the north.
Thredbo, scene of the latest attack on the Bureau of Meteorology’s methods.
AAP Image/Alison Godfrey
Three years ago The Australian newspaper launched a broadside at the Bureau of Meteorology. But when it did it again this week, it seemed to get less traction from the top echelons of government.
Predicting rainfall in the Murray-Darling Basin is a crucial job, the new report’s authors say.
Australia is not investing enough in climate monitoring capabilities, potentially leaving farmers and other vulnerable communities high and dry when trying to access crucial weather information.
The stereotype of the conventionally attractive female weather reporter is alive and well on Australian television.
The weather segment at the end of news bulletins has stuck to a familiar format for more than 50 years. But the question of who should actually present the weather has been in a constant state of flux.
What exactly does research say on heatwaves and hot days?
AAP Image/Tracey Nearmy
Climate Council CEO Amanda McKenzie told Q&A that heatwaves were 'worsening' in Australia and 'hot days' had doubled in the last 50 years. Let's take a look at the evidence.
Climate Council CEO Amanda McKenzie, speaking on Q&A.
Response from a spokesperson from the Climate Council in relation to an article on CEO Amanda McKenzie’s claims about worsening heatwaves and increasing numbers of hot days in Australia.
Old weather diaries are becoming important in climate research.
Linden Ashcroft/State Library of New South Wales
High-quality climate records only go back to the start of the 20th century. But using handwritten letters, journals and tables, researchers have access to data going back to the 18th century.
Cape Grim, on the northwest tip of Tasmania, is exposed to some of the cleanest air in the world.
CSIRO/Bureau of Meteorology
Cape Grim's air pollution station has recorded some of the biggest changes to the world's atmosphere over the past 40 years.
A large thunderstorm rolls over Sydney in 2015.
AAP Image/Newzulu/Haig Gilchrist
Severe storms bring a complex mixture of weather conditions, often in a very localised area. This unpredictability can make them very damaging, and very hard to study too.
Australia’s oceans are heating up.
The new State of the Climate report outlines Australia's rising temperatures and its regional rainfall declines - and the trends that are locked in for the coming few decades due to greenhouse emissions.
Tropical Cyclone Carlos approaches Western Australia in February 2011.
NASA Goddard Space Flight Center/Flickr
Australia is facing an above-average cyclone season, with at least 11 cyclones likely in the region.
China may be undertaking more cyber attacks than the Australian government has admitted.
It's no surprise that China represents a cyber threat to Australia. But the government has been reluctant to state this fact and needs to respond more decisively.