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Why Rain on Snow in the California Mountains Worries Scientists
For much of the United States, storms with heavy rainfall can coincide with seasonal snow cover. When that happens, the resulting runoff of water can be much greater than what is produced from rain or snowmelt alone. The combination has resulted in some of the nation’s most destructive and costly floods.
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High-Fidelity Simulation Offers Insight into 2013 Chelyabinsk Meteor
On the morning of Feb. 15, 2013, a small asteroid exploded over Chelyabinsk, Russia, sending a loud shockwave and sonic boom across the region, damaging buildings and leaving around 1,200 people injured. Meteoric events are natural disasters and, just like any other natural disaster, we can do more to be prepared. “They are not high-probability events, but we shouldn’t dismiss them as science fiction either,” says one scientist.
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How to Deal with Winter Droughts and Water Shortages
Warmer winters and sparse rainfall have dried up southern Europe. Water scarcity in Italy, France and other countries is threatening this year’s harvests. What to do?
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Building a Database on Public Response to Severe Weather Hazards
The public is being surveyed on perceptions and response to flash floods, tornados, severe thunderstorms and winter weather under a grant from the National Oceanic and Atmospheric Administration.
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Crowdsourced Reports Can Quickly Identify an Earthquake’s Impact
Within minutes, a statistical model based on a global database of public reports of ground shaking can be used to identify an earthquake as a high- or low-impact event, according to a new study.
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Ohio Chemical Spill Draws Focus on Railroad Dangers
The U.S. has one of the most extensive rail networks in the world, but diminishing safety standards puts people and the environment at risk. The latest accident has drawn sharp focus onto the safety standards of the highly profitable freight rail industry and its prolific lobbying against regulation.
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The Train Derailment in Ohio Was a Disaster Waiting to Happen
The derailment of a freight train filled with volatile chemicals in rural Ohio earlier this month captured the headlines, but researchers and chemical spill experts say it’s a situation that plays out far too often across the country. Trains carry hazardous chemicals everyday. They’re also dangerously unregulated.
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The Most Advanced Bay Area Earthquake Simulations to Be Publicly Available
Accurately modeling the effects of an earthquake is possible, but it requires intricate physics-based models that can only be run on advanced supercomputers. The data from such models are invaluable for the earthquake research community and engineers seeking to build and retrofit earthquake-resilient homes, businesses, and infrastructure. Supercomputer-generated simulations will soon be accessible on an open-access website.
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Next-Generation Storm Forecasting Project Aims to Save Lives
Severe storms have greatly impacted the Southeastern United States over the years. A key to dealing with storms and minimizing their severity is early forecasting and detection.
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Can Space Dust Slow Global Warming?
Scientists believe dust launched from the moon could reduce solar radiation enough to lessen the impact of climate change.
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Train Derailments Get More Headlines, but Truck Crashes Involving Hazardous Chemicals Are More Frequent and Deadly in U.S.
Highway crash of hazmat-carrying trucks do not draw national attention the way train derailments do, or trigger a flood of calls for more trucking regulation like the U.S. is seeing for train regulation. Truck crashes tend to be local and less dramatic than a pile of derailed train cars on fire, even if they’re deadlier. Federal data shows that rail has had far fewer incidents, deaths and damage when moving hazardous materials in the U.S. than trucks.
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Breakthrough Alert Messaging for a Mobile Public
It is in the Wildland Urban Interface (WUI) that the danger and damage from the growing risk of wildfires is most prevalent. Of paramount importance is alerting people in the path of fires and enabling their safe evacuation from the area.
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Homes in Flood Zones Are Overvalued by Billions: Study
Flooding is a costly and deadly natural hazard across the United States, and climate change will only make floods more frequent and more destructive. Failure to account for climate change means low-income homeowners could see their home values plunge.
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Earthquake in Turkey Exposes Gap Between Seismic Knowledge and Action – but It Is Possible to Prepare
The final death toll is likely to place the recent earthquake in Turkey and Syria among the worst natural disaster. The sobering question to us, as disaster mitigation scholars, is whether this enormous loss of lives, homes and livelihoods could have been avoided. There is no way to prevent an earthquake from occurring, but what can be prevented – or at least curtailed – is the scale of the calamity caused by these inevitable tremors.
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Mitigating the Impact of Extreme Weather and Climate Uncertainty on Reservoirs
Abrupt weather extremes, changing climate and frequent natural hazards such as floods and droughts create challenges for our nation’s aging reservoir systems. Researchers are working to help mitigate these problems.
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The long view
Climate Change Is a National Security Risk
Climate change is affecting practically everything on Earth, from natural systems to human endeavors. National security is no exception. The U.S. Defense Department recognizes that climate change is a “threat multiplier” as it exacerbates existing environmental stresses and security risks.
Damaging Thunderstorm Winds Increasing in Central U.S.
Destructive winds that flow out of thunderstorms in the central United States are becoming more widespread with warming temperatures. The central U.S. experienced a fivefold increase in the geographic area affected by damaging thunderstorm straight line winds in the past 40 years.
New Model Adds Human Reactions to Flood Risk Assessment
Researchers have created a land change model that simulates interactions between urban growth, increased flooding and how humans adapt in response. The new model could offer a more realistic assessment of risk for urban planners, natural resource managers and other local government stakeholders.
First 10 Months of 2023 See Record 25 Billion-Dollar Disasters
NOAA confirmed another billion-dollar disaster in October, bringing the total to a record 25 disasters in the first 10 months — the largest number of disasters for any year since NOAA has kept track of these types of events. The Mississippi River’s water level dropped to historic lows along parts of the river.