A hydrologist explains why the region is known as Flash Flood Alley and how its geography and geology can lead to heavy downpours and sudden, destructive floods.
Articles on Flooding
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A second low forming off the NSW coast may have given anxious residents a reprieve by pulling energy away from the huge storm lashing the coast.
Risk models can’t rely just on the past anymore. A team of geoscientists suggests new ways to forecast evolving hazards in real time as cascading disaster risk worsens.
Living with a river rather than fighting it was how medieval people were able to survive
Right now, it’s not insurance companies we should worry about. It is the unfolding, real-time collapse of insurance for households, businesses and communities.
Researchers worked with Indigenous Rangers to map life in 34 estuaries across NSW using environmental DNA - and made a host of unexpected discoveries.
Flooding in eastern NSW shows just how vulnerable rural catchments and regional communities are to extreme and extended rainfall events.
Research shows hospital administrators can better plan for how they’d cope if a disaster or terrorist attack impacts a hospital’s ability to function as normal.
Many volunteer first responders will have loved ones also affected by the Mid North Coast floods in NSW.
In some areas of NSW, more than 200 mm of rain has fallen in 24 hours. At the same time, dry conditions have gripped much of the continent.
New research shows successive NZ governments keep opting for expensive short-term fixes after floods and other disasters. But there are two other choices available.
Somalia’s competitiveness in global markets has weakened owing to climate change and conflict.
The Trump administration wants to abolish FEMA and hand disaster recovery over to states. But local officials are best positioned to help local people in a crisis.
New evidence supports theory of ‘Zanclean megaflood’ 5 million years ago.
Refugee camps in Ethiopia need to be made more liveable. Creating wetlands to provide greenery, absorb flash floods and purify polluted water may help.
Ancient practices hold important lessons for farmers facing drying lands, but they were often more complex than modern societies realize. Glacier loss adds to the challenge today.
The worst flooding in 50 years has turned parts of western Queensland into an inland sea, stranding communities and livestock. It’s so vast, it’s set to completely fill Lake Eyre.
When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.
It’s too early to make a full estimate of the costs of Alfred’s impacts. But previous natural disasters give us a framework for thinking about them.
The damage from ex-Cyclone Alfred could have been so much worse – and we may not be so lucky next time. As the clean up begins, let’s build back better.
Top contributors
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ARC Future Fellow and Associate Professor in Climate Science, ARC Centre of Excellence for 21st Century Weather, The University of Melbourne
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Adjunct Professor of Environmental Geography, CQUniversity Australia
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Professor of Geology and Environmental Geosciences, University of Dayton
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Professor and Director of the Institute for Water Research, Rhodes University
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Professor of Sociology, Rice University
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Senior Research Associate, Institute for Environment and Human Security (UNU-EHS), United Nations University
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Regius Professor of Meteorology and Climate Science, University of Reading
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Professor of Physical Geography, University of the Witwatersrand
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Professor of Landscape Architecture and Urban Planning, Texas A&M University
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Professor Emeritus of Climate and Space Sciences and Engineering, University of Michigan
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Distinguished Scholar, National Center for Atmospheric Research; Affiliate Faculty, University of Auckland, Waipapa Taumata Rau
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Research Fellow, Australian Rivers Institute, Griffith University
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Senior Research Fellow, The University Centre for Rural Health, University of Sydney
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Professor Emeritus of Risk Management and Insurance, Georgia State University
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Professor, Department of Forest Resources Management, University of British Columbia