Articles tagged with Hurricanes
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The American Physiological Society is offering $2,000 Katrina grants to graduate students and postdoctoral fellows affected by the hurricane. Over 40 universities are providing assistance with laboratory space, research assistance, fellowships, housing, meals, and stipends.
The Linked Environments Atmospheric Discovery project aims to create a high-speed computing infrastructure for timely and accurate weather forecasts. The system will pool data from various sources, including ground sensors, satellites, and radars, to launch hundreds of simulations at the same time, resulting in more accurate predictions.
According to Irvine, no animals had to be euthanized due to lack of space after Hurricane Charley. She studied how human attitudes and myths influence emergency workers' approach to free-roaming animals during disasters.
A growing coastal population is set to experience more frequent and intense natural disasters due to climate change. Healthy ecosystems such as coral reefs and mangrove forests can provide natural barriers and absorb the impact of these disasters, whereas man-made structures are less effective.
Researchers have developed a new technique using oxygen isotopes in tree rings to identify past hurricanes. By analyzing late-season growth, they found records of all known hurricanes that hit the Southeastern US over the past 50 years, and even back as far as 1450 AD.
During NRL's Slope to Shelf Energetics and Exchange Dynamics field experiment, six current profiler moorings deployed on the continental shelf directly measured large waves up to 27.7 meters high during Hurricane Ivan. The measurements provide valuable data for assessing potential impacts of energetic storm waves on offshore structures.
A new study reveals that ocean spray plays a crucial role in lubricating the swirling winds of hurricanes and cyclones. The researchers found that large water droplets kicked up by rough seas can inhibit turbulence, allowing winds to build to speeds approaching 200 miles per hour.
Scientists at NASA have developed a way to process radar data from the Tropical Rainfall Measuring Mission (TRMM) satellite, providing 3D snapshots of hurricanes. This allows forecasters to access information on heavy rainfall rates and cloud heights within three hours, helping them make more accurate forecasts.
The study found that homes built under the Florida Building Code since 2002 sustained less damage than those built between 1994 and 2001. The research also highlighted the effectiveness of recent code requirements, such as reinforced garage doors, in reducing hurricane-related damage.
Researchers will monitor oceanic thunderstorms to study why some systems develop into tropical cyclones and some do not. The data could support development of a more accurate and timely warning system to help safeguard property and lives.
Climate expert Kevin Trenberth warns that hurricanes will intensify due to global warming, fueled by rising ocean temperatures and increased atmospheric water vapor. This may lead to heavier rains and an increased risk of flooding at landfall, particularly in the US coastline.
Researchers found that ozone levels are closely related to the formation, intensification and movement of hurricanes. The study's findings can help improve predicted tracks and lead to better tracking of storms. Ozone data can provide a clearer view of a hurricane's eye, aiding in storm position pinpointing.
Researchers found a strong relationship between ozone levels and hurricane behavior, enabling better tracking and forecasting. Ozone data helps pinpoint the storm's eye, leading to more accurate predictions of hurricane movement.
Researchers have developed a new model that accurately forecasts US hurricane activity, enabling skilful seasonal predictions to benefit individuals and decision-makers. The model uses height-averaged winds as a predictor, exhibiting significant linkages to US landfalling hurricanes.
Scientists are investigating ways to stop rapid deterioration and restore marsh land in Louisiana's southern coastal wetlands, which are losing a football field-sized area every 35 minutes. The consequences of losing the wetlands will be far-reaching, affecting oil and gas prices, causing them to rise everywhere.
Researchers study the impact of hurricanes on coral reefs in South Florida, finding a temporary removal of invasive seaweed. However, experts caution that without addressing nutrient pollution and its root causes, reefs will remain vulnerable to similar problems.
The CBLAST-Hurricane project is using new ocean probes to collect data on water conditions before, during, and after hurricanes. This information helps scientists develop better models to predict a hurricane's development, which can inform the size of storm surges that pose a threat to ships in port.
The study combined three computer models to investigate the effect of surface waves and wind on hurricane dynamics. The team found a new characterization of the effect of surface waves on air-sea momentum under hurricane wind forcing, which is necessary for accurate predictions of track and intensity.
Researchers analyzed 324 combinations of public and private wind speed and damage models, finding vastly different results due to varying inputs. Creating a centralized database of wind speeds and requiring insurance companies to divulge more information about damage claims could help improve the accuracy of these models.
The USGS and NASA have surveyed the islands, providing detailed elevation maps of the 'first line of defense,' which is less than half the average east coast elevation. The maps show that up to 70% of the first line of defense would be inundated by storm surge associated with Categories 1-5 hurricanes.
Researchers at Virginia Tech are developing a computational platform to calculate wind loads and structural capacities of low-rise buildings. The goal is to appreciably reduce damage and increase safety for residential, institutional, and commercial structures vulnerable to extreme winds.
The TRMM satellite has provided new insights into rainfall patterns in tropical cyclones, revealing that heaviest rains fall within 50km of a storm's center. This study improves forecast accuracy and can help with the development of better weather forecasts.
Researchers develop a new Coupled Wave-Wind model to estimate hurricane speed and intensity, incorporating surface breaking waves. The improved model aims to enhance forecast skills and mitigate natural hazards caused by hurricanes.
A single individual of the Cozumel Thrasher, a bird species believed to be extinct for over 35 years, has been confirmed by field biologists. The rediscovery opens possibilities for establishing protected areas and conserving this unique species and its habitat.
Hurricanes stimulate phytoplankton growth, leading to increased chlorophyll levels and carbon dioxide absorption. Bigger storms cause larger blooms, affecting the upper ocean's ecology and potentially influencing climate change.
A team of scientists found that the estuaries were resilient and recovered quickly from the storms, with most shellfish and finfish populations returning to normal. However, blue crabs took longer to recover due to overfishing and floodwaters disrupting their migration patterns.
A new UNC study found that child abuse brain injuries were five times more common in the hardest-hit counties after Hurricane Floyd, while non-abuse injuries increased by over 10 times. The research suggests that families affected by the disaster experienced heightened stress, poverty, and depression.
NIST develops standardized emergency response software and proposes industry-government collaboration to enhance interoperability. The proposed Electronic Emergency Response Framework will provide decision-makers with easily accessible modeling and simulation tools.
The SeaWinds scatterometer on NASA's QuikSCAT satellite provides ocean surface wind speed and direction measurements, leading to improved storm predictions at sea. This increased accuracy brings economic savings and reduces weather-related loss of life, especially in global shipping.
A study by NASA researchers found that tropical cyclones with 'hot towers' in their eyewall are twice as likely to intensify within six hours. The researchers used TRMM satellite data to compile global statistics on hot tower occurrence and define a nine-mile high threshold for classification.
The USWRP's improvements to the global computer forecast model developed at NOAA's Environmental Modeling Center have led to a significant boost in hurricane track forecast accuracy. Since 2000, NHC forecasts have benefited from these advancements, predicting Atlantic tropical cyclones' tracks about 35% more accurately than prior to 2000.
The CBLAST project aims to provide more accurate predictions of hurricane intensity, landfall, and storm surge using new data-collection instruments and computer models. This research will help save lives and reduce economic losses for citizens and the Navy.
The DOWs will deploy at or near the coast in the direct path of the storm, collecting high-resolution data and rapid-scan Doppler radar data from inside the eye. The Rapid-DOW can visualize three-dimensional volumes in 5 to 10 seconds, observing boundary layer rolls, wind gusts, and other phenomena as they evolve.
Clemson researchers are using innovative 'wind towers' to gather high-resolution wind speed data near the ground, crucial for developing hurricane-resistant homes. The device's output will be used to refine building codes and potentially reduce construction costs.
NASA satellites sample critical 'ingredients' to predict hurricane formation, including sea surface temperature of at least 82 F, rotating winds, air temperature, and humidity. The data helps forecasters determine storm strength, location, and tracks.
Dr. Ginis receives two-year grant to improve hurricane forecasting model and enhance storm prediction capabilities. The model, developed in collaboration with NOAA scientists, aims to better understand and predict extreme winds and heavy rain causing $5 billion in annual damages.
A study published in the American Journal of Public Health found that Hurricane Floyd caused substantial changes in healthcare patterns that lasted for over a year. The storm led to increased use of emergency rooms and outpatient services, particularly among Medicaid recipients, with estimated costs of $13.3 million.
A research paper analyzed ice crystals from Hurricane Nora's cirrus clouds, revealing the presence of sea salt and plankton. The study found that hurricane winds transported marine life particles to high altitudes, affecting ice crystal growth and shape.
Scientists are developing new approaches to disaster prevention, including tools for wildfire management and prediction systems for heavy rainfall and landslides. These initiatives aim to reduce the impact of extreme weather events on communities.
The Dialogue-Assisted Visual Environment for Geoinformation (DAVE_G) is a new system that enables crisis managers to visualize geospatial information on a large map using verbal and gesture commands. The system aims to improve decision-making in emergency management by providing real-time access to critical data.
Researchers used coral reefs to study the impact of hurricanes on ocean health and climate patterns. By comparing high- and low-frequency hurricane areas, they established a model for analyzing older fossil reefs.
Researchers found that less than two feet of water can noticeably reduce landfall decay in hurricanes. However, surface roughness significantly reduces wind speed and evaporation, which fuels a hurricane's intensity.
Experts say preparing for natural disasters can also help mitigate the impact of terrorist attacks, emphasizing the importance of comprehensive approaches to risk management. Communities must consider all potential risks and develop disaster plans that address various types of hazards.
Since 1992's Category 5 Hurricane Andrew, NASA satellites have provided critical data to improve hurricane forecasts. The Tropical Rainfall Measuring Mission (TRMM), QuikSCAT, and Aqua satellites offer insights into rainfall intensity, wind patterns, and ocean temperatures.
Researchers from NOAA's National Sea Grant College Program explore the impact of selective fishing on fish populations and develop acoustic sensing methods to improve hurricane predictions. Tsunami forecasting also receives attention with a model specifically designed for Hawaii's unique terrain.
Princeton students have created a comprehensive map of the US's natural hazard risks, revealing that large events like hurricanes and earthquakes drive costs. The data also suggests a 30-year east-to-west oscillation in hurricane tracks, potentially shifting their trajectory northward.
A Scripps research study uses remote imaging techniques to accurately measure breaking waves, providing insights into ocean currents, heat transfer, and aerosol production. The findings will inform two new projects aiming to understand hurricane dynamics and thermodynamics.
Researchers found the warmest portion of a hurricane's eye is approximately 3.5 miles high, corresponding to falling pressure and destructive winds. The data provided a comprehensive 3D image of the inner core, revealing how heat from rising air powers the storm.
Researchers found high concentrations of small ice crystals at the top of Hurricane Humberto, reflecting more sunlight and creating a temperature contrast that may contribute to its strength. The discovery is being entered into computer models to improve hurricane predictions.
Scientists discover ozone reduces common spoilage bacteria in seafood processing facilities, extending shelf life. Researchers also study hurricane-resistant retrofits on damaged houses to reduce storm damage.
A Penn State study found that disasters like Hurricane Hugo increase marriages, births, and divorces in affected areas. The study analyzed marriage, birth, and divorce records in South Carolina before and after the hurricane, finding a significant increase in all three life changes in disaster-affected counties.
Researchers are using fractal mathematics to measure past events and forecast future hurricane events with increased accuracy. The technique has been shown to provide a deeper level of understanding of complex systems in nature, enabling better forecasting of hazardous natural phenomena.
Researchers have developed a new method to detect potential tropical cyclones using satellite data, allowing for earlier warning times of up to 40 hours. This technique uses wind speed data from the SeaWinds scatterometer on NASA's QuikSCAT satellite to identify areas of rotating winds.
A University of Maine professor has developed a classification system to help weather forecasters and the public understand the likely impacts of winter storms. The system assigns an intensity index and category score based on air pressure and forward speed, providing insights into storm strength and duration.
A team of students and researchers from Clemson University test eight houses in coastal South Carolina to determine the most effective hurricane retrofits. The study uses various methods, including cranes and vacuum chambers, to simulate real-life conditions and evaluate the performance of different retrofit measures.
Researchers have used Empirical Mode Decomposition to analyze patterns in tropical storm occurrences along the East Coast. The technique reveals four distinct cycles, or modes, that determine the number of hurricanes making landfall each year.
Researchers from CU-Boulder are using tiny, unmanned planes to monitor conditions like temperature, humidity, and wind speed during tropical storms. The flights will provide high-resolution video footage and help understand sea-surface changes during hurricanes.
Researchers at the University of Massachusetts are flying into the eyes of hurricanes using advanced airborne sensors to gather real-time data. The new IWRAP system will provide finer resolution than previous systems, enabling better predictions about storm intensity and potential path.
Researchers at Clemson University are testing 15 houses with hurricane-resistant retrofits to determine their effectiveness. The study aims to provide more accurate estimates of retrofit costs and benefits, helping homeowners decide whether the expense is worth it.
Researchers at the University of Florida have concluded that the few remaining populations of beach mice on the Florida and Alabama coasts are in substantial danger of extinction from hurricanes and continuing loss of habitat to development. The study predicts a 37-57% chance of extinction in 25 years and a 59-80% chance in 50 years.