Articles on Weather

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Blizzard conditions cover the Central and Northern Plains on March 13, 2019. NASA Earth Observatory

Why the Great Plains has such epic weather

What creates such dramatic storms across the US Great Plains? The key factors are topography and temperature differences.
Frozen fountain in New York City during a bomb cyclone event, Jan. 4, 2018. RW/MediaPunch/IPX

When does a winter storm become a bomb cyclone?

What raises a common winter storm to the level of 'bomb cyclone'? It's all about rapid, sharp changes in atmospheric pressure – and the scientists who coined the term meant to highlight their power.
About 100 homes in Angus, Ont. were damaged by a tornado in June 2014. Ten lost their roofs and had to be demolished. Gregory Alan Kopp, Western University

As climate changes, the way we build homes must change too

Weather-related catastrophic events have cost Canadians more than $17 billion in the past decade. That only stands to grow, unless building codes change to make homes more resilient.
The heat makes the drought even worse, because it makes the plants more thirsty so they have to drink more. Tim J Keegan/flickr

Curious Kids: why do we have a drought?

We can't make it rain. But you are already helping if you don't use more water than you need. And you can talk to your parents about the planet getting warmer, because the heat makes drought worse.
Bundled up against the cold in downtown Chicago, Sunday, Jan. 27, 2019. AP Photo/Nam Y. Huh

How frigid polar vortex blasts are connected to global warming

Life-threatening cold temperatures in the central US are caused by changes in wind circulation in the Arctic that bring cold air south. Climate change could make these events more frequent.
Meteorologists use their own experience, which helps them to decide whether the computer’s prediction is likely to be right. AAP Image/Chris Pavlich

Curious Kids: how do people know what the weather will be?

Twice every day the Bureau of Meteorology sends out the official weather forecasts for towns and cities across Australia. Here's how we work out what to say in them.
Storm clouds move over the Illawarra south of Sydney on Wednesday, November 28 2018. Sydney received more than a month’s worth of rain in just two hours, with Observatory Hill recording 84.6mm by 7am. The November average is 83.8mm. Dean Lewins/AAP

Sydney storms could be making the Queensland fires worse

Bushfires across Queensland are fanned by high winds pushed north by a strong low in NSW.
A hot summer will mean wetlands dry out faster than ever, so how will pest mosquitoes respond? Cameron Webb (NSW Health Pathology)

Will the arrival of El Niño mean fewer mosquitoes this summer?

The forecast arrival of El Niño may mean the east coast of Australia will experience an exceptionally hot and dry summer, but does this mean there will be fewer mosquitoes buzzing about?
Heart attacks increase with lower air temperature, lower atmospheric air pressure, higher wind velocity, shorter sunshine duration and colder weather. from shutterstock.com

Heart attacks more frequent in colder weather

Doctors have long acknowledged heart attacks are more likely to occur in cold weather. But now a major study has confirmed it.
The Bureau of Meteorology’s tropical cyclone outlook is out today. AAP Image/Bureau of Meteorology, Japan Meteorological Agency

Trust Me, I’m An Expert: Cyclone season approacheth, but this year there’s a twist

Cyclone season approacheth, but this year there’s a twist. The Conversation, CC BY31.4 MB (download)
Australia must come to terms with some fundamental shifts in our weather patterns. This month, Andrew Watkins from the BOM and climate scientist Joelle Gergis explore what's in store.

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