Weather

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Breaking the ice: while scientists increasingly understand why Antarctic sea ice is growing, it remains tricky to forecast. Australian Antarctic Division

Expanding sea ice is causing headaches for Antarctic stations

Antarctica's sea ice is changing in ways that scientists didn't predict, and is now causing headaches for Antarctic stations.
Clumps of thunderstorms are driving increases in rain over tropical oceans. Image courtesy of the Earth Science and Remote Sensing Unit, NASA Johnson Space Center

The tropics are getting wetter: the reason could be clumpy storms

For a long time climate models have forecast increasing rainfall in tropics. Now we know part of the reason: clumpy thunderstorms.
Surging tides from Cyclone Marcia hit Main Beach in Yeppoon, Queensland, with the storm packing wind gusts close to 300 kilometres an hour. AAP Image/Karin Calvert

The role of social media as cyclones batter Australia

Emergency services are using social media to help spread warnings as two tropical cyclones batter Australia. It can also help them with relief efforts once the worst of the severe weather has passed.
Sometimes you don’t need a measuring stick to come up with an assessment: really, really deep. katorisi

Where do those snowfall totals on the nightly news come from?

The Blue Hill Observatory, a few miles south of Boston, recently recorded the deepest snow cover in their 130-year history, an incredible 46 inches. Earlier this month, Bangor, Maine tied their own record…
Despite adjustments to temperature data in the Arctic, the overall global warming trend remains the same. Flickr/P J Hansen

Global warming trend unaffected by ‘fiddling’ with temperature data

Attacks on institutions that keep records of global temperatures, such as NASA, the US National Oceanic and Atmospheric Administration, the UK Met Office, and Australia’s Bureau of Meteorology, continue…
Adjusted data from Australian weather stations has been peer-reviewed before. But the government’s new technical panel could still offer useful advice. Bidgee/Wikimedia Commons

Bureau’s weather records to be reviewed again – sure, why not?

The federal government’s new “Technical Advisory Forum” on weather data, announced by parliamentary environment secretary Bob Baldwin last week, will “review and provide advice on Australia’s official…
What does Paraguay have to do with the global temperature record? dany13/Flickr

Why scientists adjust temperature records, and how you can too

An article in The Australian today has once again raised the question of why scientists, in trying to estimate how the global and regional surface temperatures of Earth may have changed over the past century…
El Niño means drought in Australia – and floods in America. Len Matthews

El Niño could mean 2015 is even hotter than last year’s scorcher

It’s confirmed: 2014 produced the highest global temperatures since records began in the 1880s. As if that’s not cause enough for concern, this year threatens to see the return of El Niño, which like some…
Could climate change be making flying more unsafe? KamrenB Photography

Could climate change have played a role in the AirAsia crash?

On December 28, AirAsia flight QZ8501 crashed into the sea between Indonesia and Singapore. Shortly before the crash, the pilots requested an alteration to the flight route due to severe weather. While…

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