The American Meteorological Society (AMS) is showcasing recent advancements in hurricane forecasting, climate trends, and the long-term impact of CO2 emissions. A new study reveals improved forecast capabilities, while another paper examines the causes of seasonal and regional climate trends over the United States.
In 2008, NASA satellites tracked five tropical cyclones that hit Hispaniola, causing widespread destruction and loss of life. The storms, including Fay, Gustav, Hanna, Ike, and Kyle, brought torrential rainfall and flooding to the island, resulting in over 800 reported deaths or missing persons.
A new study in the Journal of Consumer Research found that donations are driven by overlap between donors and recipients, rather than cause-worthiness. Women tend to donate more to victims of natural disasters like Hurricane Katrina, while men donate more to victims of terrorist attacks.
The NASA Hurricane Web Page offers daily storm updates, stunning video animations, educational tools, and historic storm information on all storms since 2005. Researchers gather data from various satellites to understand factors that determine why a tropical cyclone strengthens or weakens.
Research suggests that human activity may not have a detectable impact on Atlantic hurricanes, but warming may lead to more intense storms. Century-long records show rising tropical storm counts from the mid-1800s, while hurricane counts remain stable.
Researchers found a significant increase in morbidity rates among older adults affected by Hurricane Katrina, with emergency department visits and hospitalization rates also rising. Displacement played a major role in health outcomes, with survivors experiencing moderate to severe damage to their homes and financial instability.
The study reveals that marshes lost elevation after Hurricane Ike, contrary to expectations. Damage to the coastline sparks debates around public access and private property issues. Researcher Dr. Rusty Feagin's findings highlight the importance of preserving natural processes to mitigate the effects of future storms.
Scientists can now access valuable hurricane research information and easy data access to a collection of multi-sensor datasets via the NASA Hurricane Data Analysis tool. The tool allows users to visualize key parameters, such as area plots and animations, for tropical cyclones around the world.
Scientists explore relationship between sea surface temperature and seasonal hurricane activity, finding differing interpretations of observational record can imply vastly different futures. The 'relative' SST hypothesis suggests a similar recent past trend with natural climate variability, while the local SST hypothesis predicts highe...
Researchers found Hurricane Ike significantly reshaped the seafloor, erasing shell-gravel ridges and creating 'erosional pits' up to five feet deep. The storm also mobilized sediments over large regions, with most movement associated with the back surge.
A team of researchers from Dartmouth College's National Center for Disaster Mental Health Research will study the mental health impact of Hurricane Ike in Galveston, Texas. The three concurrent studies focus on stress management, Internet-based self-help tools, and cognitive behavioral therapy to aid survivors' recovery.
Researchers will examine three decades of hurricane activity in unprecedented detail using a combination of climate and regional weather models. The goal is to better inform coastal communities and industries affected by changes in hurricanes.
The American Physiological Society has established a $50,000 relief fund for graduate students and postdoctoral fellows who lost belongings or incurred relocation costs due to Hurricane Ike. The grants aim to help recipients get back on their feet and continue their contributions to the field of physiology.
Researchers found that 52% of respondents reported poor mental health, while 48% reported poor physical health, with some issues tripling after the hurricane. The study highlights the need for continued support and interventions to address long-term health problems in disaster survivors.
Researchers are conducting the first-ever tests on a full-scale house to simulate hurricane-force winds, using pressure boxes to create realistic conditions. The goal is to understand how buildings fail and make them safer through basic additions and amendments.
A new NASA study reveals that Saharan dry air and dust likely contributed to the quieter-than-expected 2007 hurricane season. The research found a correlation between the extent of dry air and dust in the North Atlantic and lower sea surface temperatures, atmospheric stability, and reduced hurricane formation.
A new study suggests that global warming may lead to fewer hurricanes forming, but those that do could intensify. The research uses more accurate computer models to simulate hurricane formation and finds that warmer ocean temperatures suppress formation rather than encouraging it.
A recent survey conducted by Harvard T.H. Chan School of Public Health found that nearly one-third of those affected by Hurricane Katrina report they are very prepared if a major hurricane were to strike their communities in the next six months. Key concerns include having enough fresh water and medical care, with 42% and 41% of respon...
The University of Miami's CSTARS will host a library of high-quality images collected via spaceborne C-Band Synthetic Aperture Radar (SAR) to aid in understanding hurricane and typhoon dynamics. The database will provide approved scientists with free access to imagery that can help shape storm models and resource distribution.
A study found that severe housing damage is a key factor behind socioeconomic disparities in psychological distress after Hurricane Katrina. The research also revealed that blacks were substantially more likely to experience serious psychological distress, with almost one-third reporting high levels of distress.
Researchers at MIT are exploring a new method to measure hurricane strength using underwater microphones, which could lead to cheaper early-warning systems. The approach was validated by measurements from Hurricane Gert in 1999, providing accurate results comparable to aircraft-based methods.
The National Hurricane Center will implement a new technique, VORTRAC, to continually monitor landfalling storms in the United States. VORTRAC uses existing coastal Doppler radars to provide details on hurricane winds and central pressure every six minutes.
The 'eye of a hurricane' on Venus is an enormous 2000 km-wide vortex with a central core that appears bright in thermal infrared images, indicating high atmospheric gas movement. Scientists are still unsure what creates the complex and dynamic nature of this feature.
A 0.5°C increase in sea surface temperature is associated with a 40% increase in hurricane activity and frequency in the tropical North Atlantic region. The research, conducted by University College London scientists, quantifies the link between sea surface warming and hurricane activity for the first time.
A study of 1,043 residents found that almost half had evidence of an anxiety or mood disorder five to seven months after the hurricane. The rate was highest among New Orleans residents, who were more likely to develop such disorders following physical adversity, property loss, and stressors associated with the slow government response.
University of Wisconsin-Madison scientists have found that a basin-wide circulation pattern drives Atlantic hurricane activity. The study reveals that Atlantic hurricanes will be more sensitive to climate changes than storms in other ocean basins, with warmer oceans indicating ideal conditions for development. Understanding this relati...
Four distinct skin disorders were found in construction workers who helped repair buildings after Hurricane Katrina and Hurricane Rita. These disorders affected 42.6% of the workers, with papular urticaria being the most common, followed by bacterial folliculitis and fiberglass dermatitis.
A NASA study found that Hurricane Katrina killed or severely damaged 320 million trees in Gulf Coast forests, weakening their ability to store carbon from the atmosphere. This has led to these forests releasing large quantities of carbon dioxide into the atmosphere, potentially amplifying climate warming.
A comprehensive survey of Hurricane Katrina survivors found a significant increase in mental disorders, including depression and anxiety-mood disorders. The prevalence of PTSD also doubled in some areas, with no change in others.
Researchers can now investigate the relationship between eyewall lightning outbreaks and hurricane strength using highly-sensitive sensors thousands of miles from the storm. The study, supported by NASA and the U.S. Office of Naval Research, uses data from a network of new sensors to improve hurricane forecasts and potentially save lives.
ESA's Envisat and ERS-2 satellites track Hurricane Dean's path and strength, providing timely warnings with high-resolution cloud structure and wind field data. The satellites' instruments also measure sea surface temperature and height, allowing researchers to predict the hurricane's potential impact on the Yucatan Peninsula.
Sea surface temperatures are crucial for tropical cyclone formation, and recent data shows warming in the Gulf of Mexico, Caribbean, and eastern Atlantic. This warming contributed to Hurricane Dean and Tropical Storm Erin, with forecasters warning that the upcoming hurricane season will be a mixed bag.
Researchers at Carnegie Mellon University and Harvard University found that perceived neediness, rather than race, drives charitable giving to Hurricane Katrina victims. Within subgroups of whites, racial bias affects giving to blacks, while non-identifying whites give more to blacks.
Researchers Shepherd and Knutson discuss the ongoing debate over global warming's influence on hurricanes, citing a need for a balanced perspective. The authors argue that significantly more research is needed to determine if a global warming influence is detectable in observed hurricane records.
A study found a reversal of gender distribution among patients presenting to the sleep center after Hurricane Katrina, with increased complaints of insomnia and decreased daytime fatigue. The results suggest that disaster relief can disrupt sleep patterns, affecting physical health and emotional well-being.
The ASCE panel's report confirms the city's vulnerability to hurricanes and recommends steps to reduce damage. The panel estimates that New Orleans residents' pre-Katrina risk was 1,000-fold higher than considered minimally acceptable.
Researchers at Woods Hole Oceanographic Institution compiled longest-ever record of Atlantic hurricane strikes, revealing strong connection between El Niño/Southern Oscillation and West African monsoon. Long-term trends indicate periods of more frequent intense hurricanes from 5,000 to 3,600 years ago and 1700 AD to present.
A new technique called VORTRAC will provide a detailed 3D view of hurricane winds every six minutes, allowing forecasters to determine the storm's strength as it approaches land. This will enable rapid alerts for coastal communities if the hurricane suddenly intensifies or weakens.
Computer simulations of Hurricane Bonnie's movement show that pockets of warm humid air flowing from the hurricane's eye to its ring of thunderstorms boost energy, increasing storm strength. This 'turbocharger' effect helps hurricanes remain intense despite weakening influences like cooler ocean temperatures and wind shear.
A study by UCLA researchers found that Hurricane Katrina evacuees held deep distrust towards public health authorities, citing issues with competency, equity, and honesty. The researchers recommend increasing community representation in disaster planning to address these concerns.
A new high-resolution computer model has been developed to better understand how air-sea interactions affect hurricane intensity. The model uses detailed data from the Coupled Boundary Layer Air-Sea Transfer (CBLAST) field program, which provided unprecedented information about ocean and sea surface conditions near hurricanes.
The study reports on a case-based approach to managing forest ecosystems before and after hurricanes, considering risk assessment and outcome mitigation strategies. Key findings include the importance of stand spacing, tree height, and species selection in reducing hurricane damage, as well as the need for long-term recovery plans.
Climate model simulations indicate a robust increase in wind shear in the tropical Atlantic, which could counteract global warming's effects on hurricane intensity. The study suggests that increased wind shear may inhibit both hurricane development and intensification.
A NASA study suggests that tiny dust particles may have contributed to the relatively calm 2006 Atlantic hurricane season by cooling ocean waters. The research found that Saharan dust concentrations played a major role in shaping the season, potentially even initiating pre-existing conditions due to El Niño.
Researchers directly derived air-sea momentum exchange from ocean current observations under Hurricane Ivan, confirming the trend that momentum transfer decreases at high wind speeds. The findings improve storm surge modeling and have significant implications for ocean circulation and numerical model accuracy.
A primary care health network in Fort Worth, Texas, took responsibility for 3,700 Hurricane Katrina evacuees, providing medical care for nearly half of them. The network prevented its emergency department from being overwhelmed by creating a triage center and referring evacuees to primary care clinics. The authors reflect on valuable l...
A study led by LSU Professor Kam-biu Liu reveals that the chances of a Category 4 or 5 hurricane directly hitting any Gulf location are approximately 0.03 percent annually, contradicting previous assumptions.
NASA scientists studied thunderstorms off the African coast using satellites and airplanes to better understand hurricane formation. They discovered that dust plumes from the Saharan Air Layer can suppress hurricane development, but the exact mechanisms are unclear.
Researchers have discovered that rapid hurricane intensity changes can be attributed to clouds outside the eye forming a new eyewall. This finding has significant implications for hurricane forecasting, as it may enable forecasters to predict when a storm will change intensity and how strong it will become.
Scientists at the University of Wisconsin-Madison found that warmer temperatures contribute to increased hurricane intensity in the Atlantic Ocean. However, this trend does not hold up in other oceans, highlighting the need for further research.
The LSU School of Social Work is offering group interventions to reduce long-term consequences of post-hurricane trauma in elementary school-aged children. The program aims to help caregivers cope with their children's emotions and reactions to the disaster.
The 2006 Atlantic hurricane season had near-normal activity with nine named storms, including five hurricanes, due to cooler sea surface temperatures and the shift of the Bermuda High. This resulted in stronger winds and reduced thunderstorm formation.
Researchers gathered precise wind measurements in a hurricane using NASA's ER-2 aircraft and NOAA's P-3 aircraft. This data helps advance the understanding of complex storms, allowing for more accurate forecasts and potential improvements in replicating hurricane development.
Michael Hernandez, a junior at University of Miami, won Outstanding Student Poster in geosciences category at SACNAS national conference. His research compared CHAMP radio occultations with global model forecasts during the 2005 hurricane season.
Florida Institute of Technology (Florida Tech) has received two grants to continue and develop a new hurricane model. The first grant is $220,000 from the Florida Department of Financial Affairs Office of Insurance Regulation to predict hurricane insurance losses for commercial buildings. The team will also maintain an existing enginee...
Sea levels are expected to rise by 11.8-37.5 inches in NYC by the 2080s, with hurricane storm surges posing a significant threat. A recent study predicts that even small sea level increases could cause extensive flooding and transportation disruptions.
Researchers at University of Wisconsin-Madison found a link between dust storms and hurricane frequency in Atlantic, suggesting that dust may help suppress brewing hurricanes. The study suggests that long-term changes in hurricanes may be related to multiple factors.
Researchers found that a 'trapped wave' amplified by Hurricane Dennis's winds caused an unexpected 10-foot storm surge in Apalachee Bay. This discovery led to improved storm surge models for the entire Gulf coast from Florida to Texas.
The new Hurricane web portal provides a variety of measurements from NASA instruments, including current conditions, image galleries, event-based data, and tools. The portal also features links to various analysis software systems, such as Giovanni, allowing users to explore and analyze Earth sciences data interactively.
The NASA Scanning Radar Altimeter (SRA) captured detailed information on wave behavior in hurricanes, helping improve sea height forecasts. Ocean wave height responds rapidly to changes in a storm's wind speed, but the overall wave field is also driven by storm size and forward motion.