Articles tagged with Radar
Tropical Storm Washi's rainfall analysis revealed widespread heavy rain throughout the entire storm. The storm showed improved organization and thunderstorms spiraling into its center, with feeder bands converging near Mindanao.
The ARM Climate Research Facility has deployed 18 new scanning radars to study the lifecycle of clouds. These radars provide unprecedented data on cloud formation, structure, and evolution.
Tropical Storm Alenga is strengthening due to warm sea surface temperatures and low wind shear, with maximum sustained winds reaching up to 63 mph. The storm is forecast to continue intensifying before encountering strong westerly wind shear and weakening.
TRMM data revealed a narrow line of moderate to very heavy rainfall associated with the cold front, accompanied by tornadoes and strong winds. The analysis showed the area of heavy rain was confined to a specific region, highlighting the severity of the storm.
Prof. Richard Isralowitz of Ben-Gurion University of the Negev received a US National Distinguished International Scientist Award for his work as director of the Regional Alcohol and Drug Abuse Resources (RADAR) Center. RADAR focuses on substance use issues among Israeli and former Soviet Union-origin youth and adults.
The Office of Naval Research is pursuing an Affordable Common Radar Architecture (ACRA) to upgrade the Navy's aging combat ship radar systems. The ACRA design features a novel architecture with two separate antennas to control cost and improve upgradeability.
Scientists have successfully observed a tsunami using high-frequency radar, which can detect changes in ocean currents and track wave movement. This innovation could lead to improved early warning systems for coastal regions like Southeast Asia and the East Coast.
Researchers discussed using Doppler weather radar to track bat behavior and effectiveness of acoustic deterrents in reducing bat fatalities at wind farms. Aeroecology also explored the role of atmospheric conditions in flight behavior, with studies on golf courses as potential habitats for roosting bats and the importance of insectivor...
Tropical Storm Nock-ten has been a big rainmaker across the Philippines for two days, with NASA tracking its heavy rainfall using TRMM satellite data. The storm's 3-D image revealed towering convective storms near the center of circulation, extending to heights above 15km, associated with future strengthening.
Two NASA satellites confirmed Tropical Storm Bret's heaviest rainfall on the eastern side of the storm, with one satellite measuring powerful thunderstorms. The storms' strength was indicated by cloud-top temperatures measured by the Atmospheric Infrared Sounder.
A new algorithm using GPS data from a tracking system can predict and prevent collisions between small aircraft. Researchers at MIT have developed the algorithm to address the challenge of false alarms while allowing for some error margin.
Hurricane Adrian has plenty of strong thunderstorms over 9 miles high, fueled by warm ocean water. The storm's eye is confirmed by NASA's infrared image, with coldest cloud top temperatures as cold as -63 Fahrenheit.
The West Coast high-frequency radar network, operated by Scripps Institution of Oceanography, provides kilometer-scale current observations out to 150 kilometers offshore and 2,500 kilometers of shoreline. This network allows for the determination of geographic differences in coastal surface circulation and characterization of phenomen...
Gina Hodges, a University of Oklahoma graduate student, has been awarded $30,000 annually for three years to research flash flood prediction using next-generation radar observations and stormscale rainfall forecasts. Her goal is to improve current methods to protect public lives and property.
The TRMM satellite detected massive thunderstorms and very heavy rainfall along a powerful cold front moving through the eastern United States on April 28, 2011. Tornadoes spawned by these storms caused significant loss of life, with at least 128 deaths in Alabama and 15 in Georgia.
Researchers at Georgia Tech have developed a radar system that can detect concussions by analyzing a person's gait pattern. The system, which is faster and less intrusive than existing techniques, uses a 10.5 GHz continuous wave radar to identify anomalies in an individual's walk. This could help coaches and commanders quickly decide i...
The Global Human Settlements Layer (GHSL) uses advanced algorithms to automatically analyze medium resolution satellite data, providing fast and precise mapping of built-up areas worldwide. This enables regular monitoring of human settlement changes and improved damage analysis in disaster-stricken areas.
Researchers are using radar technology to monitor and study airborne organisms, requiring collaboration between disciplines like ecology, computer science, and engineering. This advancement offers insights into animal migration patterns, invasive species, and ecosystem sustainability.
Researchers created a 'perfumery radar' system to classify perfume families, closely matching expert descriptions. The tool speeds up perfume development, saving time and money for manufacturers.
Researchers developed a shoe-embedded radar system to aid pedestrian navigation, reducing errors in GPS-less situations. The technology uses inertial measurement units (IMUs) with an independent radar sensor to track movement and position.
Dr. Hongbin Li receives a three-year AFRL contract to study distributed radar systems and improve object detection, developing networked radar capabilities with high spatial resolution and accuracy. The goal is to combine software and hardware for efficient data communication and achieve better bandwidth from multiple radar sensors.
Physicists and engineers have installed a radar system on the Falkland Islands to monitor upper atmosphere activity that creates the Southern Lights. The radar station, part of the international Super Dual Auroral Radar Network, will help climatologists understand the link between the upper and lower atmospheres.
Sea levels around Falkland Islands rose by 0.75mm/year between 1842 and early 1980s, but accelerated to 2.5mm/year since 1992, consistent with global warming observations
System 99L is showing increased organization in the Caribbean Sea, with improved cloud structure and rainfall patterns. Heavy rainfall is expected for the Cayman Islands and Jamaica over the next couple of days.
NASA's CloudSat satellite observed a powerful heat engine in Typhoon Malakas, with strong convection and heavy rainfall reported. The storm had maximum winds of around 115 mph and a minimum central pressure of 965 millibars.
Tropical Storm Chanthu has a large area of moderate to very heavy rainfall near the southeast China coast, with rain rates reaching up to 2 inches per hour. The storm is forecast to pass just north of Hainan Island and make landfall near Luichow Peninsula in southern China mainland on July 22.
Researchers have discovered changes in lake levels on Titan, with the southern hemisphere experiencing a 1-meter-per-year drop in lake depth. The decrease is attributed to seasonal evaporation of liquid methane from lakes, which are composed mainly of this substance.
TRMM satellite data shows Typhoon Conson with a well-formed eye and high thunderstorms dropping rainfall at 2 inches per hour. The storm's intensification is linked to hot towers, indicating it had reached typhoon status.
Researchers use radar and camera data to reconstruct the formation of two enigmatic features in Mars' northern ice cap: a massive canyon and spiral troughs. Wind erosion is found to be the primary force shaping these complex structures, revealing a detailed climate history.
Researchers have reconstructed the formation of two curious features in Mars' northern ice cap, including Chasma Boreale and spiral troughs, revealing that wind shapes polar ice caps over millions of years. The study provides new evidence of climate change on Mars and vindicates an early explanation for the spiral troughs.
The OU-PRIME research weather radar captured fine details of the storms never seen before with any radar. Researchers believe this unique data set will reveal new discoveries about tornado genesis and severe storms for years to come.
TRMM measured intense rainfall rates near the center and along the Indian coastline, generating storms with hot towers extending up to 14.5 kilometers high. Cyclone Laila's maximum sustained winds reached 50 knots at landfall, prompting forecasts of heavy rainfall, gusty winds, and rough seas for affected regions.
The VORTEX2 project, the most ambitious tornado study in history, aims to surround tornadoes with an unprecedented fleet of mobile radars and cutting-edge tools. The study seeks to improve tornado warnings and short-term severe weather forecasts by examining how tornadoes form and the patterns of damage they cause.
The SPALINET lidar network aims to improve aerosol measurement quality in the Iberian Peninsula and Canary Islands. By combining satellite and ground-based data, researchers can better understand aerosol transport and impact on global radiation balance.
Cyclone Paul has moved back toward the Gulf of Carpentaria, with a cyclone watch in effect for coastal communities. TRMM satellite data shows light to moderate rainfall over land and isolated heavy rain over the Gulf.
Cyclone Paul intensified slowly and became a Category 2 cyclone with wind gusts of up to 140 kph. TRMM data showed a deep convective tower penetrating up to 9 miles high, associated with intense rain in the northwestern eyewall.
Tropical cyclone Edzani has strengthened due to low wind shear and warm ocean temperatures, with heavy thunderstorms near its center. The storm is expected to continue intensifying over the next two days before hitting cooler waters.
Researchers have developed a method to calculate precisely the correct type and level of noise to add, improving detection of precancerous lesions and reducing false positives by up to 36%.
The TRMM satellite captured rainfall data on Tropical Depression 05B, showing a large area of rainfall near the storm's center. The system has weakened into a tropical depression, with cloud heights dropping over time.
A new study published in Nature suggests that accurate monitoring of carbon stored in drier tropical forests requires data from local communities. The researchers propose that at least 50% of REDD payments should be made directly to forest dwellers, ensuring their property rights and means of subsistence are protected.
Researchers at Kansas State University developed an algorithm that enables next-generation smart adaptive radios and makes radars more effective by customizing the coding used in transmitting signals. The algorithm can be applied to various systems employing spread spectrum techniques, including cellular, satellite, and wireless networks.
Tropical Storm Ida is expected to make its official landfall during the early morning hours on Tuesday, November 10. The storm has weakened, with cold thunderstorm cloud tops not as cold as they were when Ida was a hurricane.
A study published in Geology has used InSAR to detect signs of activity in four volcanoes in Kenya's Rift Valley, showing episodic pulses of magma arriving at the crust. The findings highlight the geothermal potential of the region and pose a challenge for human hazard risk management.
Tropical Storm Neki continues to exhibit intense areas of heavy rainfall despite weakening, according to NASA's TRMM satellite. Rainfall rates reached up to 2 inches per hour in the storm's northeast and northern quadrants.
Researchers at Rensselaer Polytechnic Institute are developing next-generation radar systems that can overcome limitations in conventional radars. The new test bed will simulate systems comprised of hundreds of miniature sensors, enabling radars to be used in crowded cities and urban environments.
The TRMM satellite captured heavy rainfall rates of up to 2 inches per hour in the center of the storm. Rainfall images are false-colored with yellow, green and red areas indicating rainfall between .78 to 1.57 inches per hour.
Researchers at the University of Michigan have invented a new type of magnetron that holds potential for more compact microwave sources with faster start-up times. The invention could lead to improved radar resolution and airborne applications, benefiting the Air Force's radar capabilities.
A team led by Robert Clauer aims to build a chain of space weather instrument stations in Antarctica to better understand the effects of space weather on Earth's technologies. The project will provide insights into space plasma physics and help predict space weather conditions.
CloudSat captured a sideways view of Lana, a Category One hurricane with high clouds and cold temperatures. The satellite measured rapid wind speed and atmospheric conditions indicating a weakening storm.
The US Department of Homeland Security is developing a new technology using ground-penetrating radar to detect tunnels along the US border. This innovative system will help agents locate and plug tunnels almost as fast as criminals can dig them, reducing the threat of drug smuggling, human trafficking, and terrorist attacks.
A new study by University of Arizona professor Alexandra Kalev shows that employee involvement programs can increase both quality and diversity at the same time. Self-directed work teams and cross-training programs are found to give women and minorities more opportunities for career advancement.
Scientists are using the novel AMISR system to investigate interaction between upper atmospheric phenomena and lower atmospheric storms. The system provides a unique perspective for studying climate change and other processes linked to energy transfer from the sun to Earth's atmosphere.
Researchers at NIST developed formulas to help law enforcement officers accurately calibrate down-the-road radar devices and ballistic chronographs. The new tools provide more precise speed measurements, improving the effectiveness of crime-fighting technologies.
Newly emerging biotechnology clusters globally showcase life science expertise across various disciplines. China's Shanghai and Beijing are home to the largest groupings of biotech companies, while Brazil has strong centers in Belo Horizonte, São Paulo, and Rio de Janeiro.
The VORTEX2 project, a collaborative international study, aims to gain a better understanding of tornado formation and damage patterns. By deploying advanced weather-sensing tools, researchers hope to identify the characteristics of severe thunderstorms that produce tornadoes, ultimately leading to more accurate tornado warnings.
Researchers led by William Krabill are flying over Greenland to measure ice sheet and glacier thickness, using a combination of laser and radar instruments. The mission aims to update measurements from the Ice, Cloud and land Elevation Satellite (ICESat) and provide critical data on the future behavior of the Greenland ice sheet.
Researchers are building additional radar units to monitor global space weather and its impact on human life. The new radars will join three existing mid-latitude radars for a continuous chain of coverage from Europe to eastern Asia.
Researchers using ground-penetrating radar on NASA's Mars Reconnaissance Orbiter have discovered vast Martian glaciers of water ice under protective blankets of rocky debris. The concealed glaciers extend for tens of miles and are up to one-half mile thick, making them the largest reservoir of water ice on Mars outside the polar caps.
A new radar breast imaging system has been developed at the University of Bristol, which uses radio waves to create a 3D image of the breast without radiation risk. The system has been trialled at North Bristol NHS Trust and shows promise in detecting abnormalities earlier than current methods.
A University of Missouri engineer is working to enhance the accuracy of a landmine radar system while minimizing false alarms. He aims to create consistent radar signature patterns for landmines, differentiating them from clutter objects, to increase detection rates and reduce unnecessary military interventions.