The US is shifting to a new set of climate ‘normals’ – data sets averaged over the past 30 years. But normal is a relative concept in a time of climate change.
In an unchanging climate, we would expect record-breaking temperatures to get rarer as the observation record grows longer. But in the real world the opposite is true - because we are driving up temperatures.
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.
A new analysis suggests that weather records have not yet had time to capture the full effects of climate change, some of which are likely to take centuries to play out.
The record floods of 1954 and 1974 still stand as Lismore’s high-water marks. But Tropical Cyclone Debbie delivered her deluge far more abruptly than the rains that triggered those historic floods.
A new millennium-long record reveals that Australia has suffered longer droughts and wet periods than those recorded in the past century’s weather observations.
Former PM’s business advisor Maurice Newman recently claimed that satellite temperature data tell a different story to data collected on the ground. He’s right - but that’s how it’s meant to be.
Melbourne, Canberra and much of southern Australia have shivered through a cold winter. But on a longer view, record cold snaps are disappearing, while Australian heat records continue to be broken.
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…
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…
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…