Articles tagged with Storms
NASA's GOES-11 satellite indicates two areas of showers and thunderstorms that may develop in the Eastern Pacific, potentially replacing Tropical Storm Ignacio. The storm is expected to weaken due to adverse conditions, including cooler waters.
A study analyzing business return to New Orleans post-Katrina found that businesses reopening cited damage to physical locations and financing as primary concerns, while those remaining closed ranked levee protection as top concern. The study used repeated telephone surveys of businesses from December 2005 to October 2007.
Researchers captured a one-second image of gigantic jets, which are highly charged meteorological events that flash up to the lower levels of space. The study reveals that these events have comparable electrical charges to conventional lightning, but travel farther and faster due to thinner air.
NASA satellites are tracking Tropical Depression Ana as it drenches Puerto Rico and poses a threat to the US and British Virgin Islands. Ana is expected to produce heavy rainfall amounts of 2-4 inches over these regions, with isolated maximums of 6 inches in mountainous terrain.
Researchers from Caltech have observed a large system of storm clouds on Titan, revealing clouds near the equator for the first time. The discovery has significant implications for understanding the hydrological cycle on Titan and challenges previous speculations about cloud formation in dry regions.
The Tropical Rainfall Measuring Mission (TRMM) satellite captured a unique image of both tropical storm Carlos and Dolores on July 15, 2009. The image shows the horizontal pattern of rain intensity within storms, with false-colored areas indicating rainfall between 20-40 millimeters per hour.
Two NASA satellites captured images of the weakening tropical storm Dolores, which has faded into a remnant low pressure area. The storms' winds and clouds were tracked using QuikScat and CloudSat, revealing intense rainfall and towering cloud formations.
The study documents the extent of flooding and damage in the Ayeyarwady River delta after Cyclone Nargis, with findings including storm surges up to 5 meters high. Researchers recommend implementing a cyclone education program, developing flood maps, and constructing cyclone-safe buildings to reduce future loss of life.
The NCAR system combines satellite data, computer weather models, and AI techniques to identify rapidly evolving storms and potential areas of turbulence. Pilots on selected transoceanic routes will receive real-time turbulence updates, providing critical situational awareness.
Magnetic blast waves can pinpoint and predict the location where space storms dissipate energy, which is equivalent to 50 gigawatts of power or 10 large power stations. The eye of the storm is located in space beyond low-Earth orbits, providing advance warning of arrival.
The NASA TRMM satellite shows Cyclone Bijli's intense rainfall, peaking at 129 millimeters (5.07 inches) in Bangladesh, causing heavy flooding and tropical storm-force winds. The animation tracks the storm's development from birth to landfall on April 17, 2009.
Scientists have successfully resolved features of cells as small as 20-30 nanometers using Stochastic Optical Reconstruction Microscopy (STORM), a new 'super-resolution' fluorescence microscopy technique. This breakthrough allows for the visualization of cellular structures at the level where they work.
Researchers at MIT aim to improve weather forecasting by using robotic aircraft and advanced flight plans that consider millions of variables. The goal is to gain more time for planning, saving lives and reducing the impact on customers.
Using NASA satellite data, forecasters can now more accurately predict the timing of two out of three dust events. This capability is crucial for issuing early warnings to populations at risk for dust-related health complications.
A NASA study confirms a link between rising Arctic storm activity and accelerated sea ice drift, which may serve as a negative feedback mechanism for global warming. The research suggests that the Arctic's capacity to absorb carbon dioxide could increase, offering a potential solution to climate change.
New research links human-driven changes in westerly winds to hotter and drier springs in the US Southwest. The shift in winter storm tracks has resulted in less precipitation and warmer conditions earlier in the year, affecting snowpack, hydrology, and water resources.
Researchers found that Saharan dust storms provide essential iron minerals, enabling plants to thrive in nutrient-poor regions. This discovery sheds light on how the Atlantic Ocean supports plant growth despite being referred to as an 'ocean desert',
Astronomers capture high-resolution images of Jupiter's turbulent atmosphere using NASA's Hubble Space Telescope and the W. M. Keck Observatory. The images reveal increased changes in the planet's atmosphere, including a color change from white to red near the Great Red Spot.
A team of scientists from Johns Hopkins University used data from NASA's New Horizons spacecraft and multiple telescopes to observe the high winds in Jupiter's Little Red Spot. The winds have increased substantially over previous storms, with maximum speeds reaching 384 miles per hour, surpassing Category 5 storm thresholds.
A team of researchers has developed a unified theory of lightning discharges, explaining how different types of lightning form. The study reveals that blue jets and bolts from the blue are triggered by specific charge imbalances in clouds, with the height of the cloud influencing their formation.
Researchers Phoebe Lam and James Bishop found that the Kamchatka Peninsula and Kuril Islands are the key sources of iron in the Western North Pacific, contrary to previous assumptions. This discovery has significant implications for understanding climate change and the role of iron in the ocean carbon cycle.
The latest guide from USDA Forest Service highlights energy conservation as the most significant benefit of urban trees in temperate interior West. A mature hardwood tree can bring annual savings of $40 in electricity and $15 in heating costs, while reducing power plant emissions.
Scientists found that summer storms in the Southeast drop more rainfall on weekdays than weekends. The study suggests that atmospheric pollution from humans may be driving this trend, as pollution levels peak midweek.
Researchers found that El Nino winters lead to altered jet stream positions, resulting in intensified storm activity in several US regions. The study analyzed daily records of snow and rainfall events over 49 US winters, finding a connection between ENSO events and increased probability of severe winter storms.
Research into giant perturbations on Jupiter reveals that jet streams go deep into the planet's atmosphere, with storms forming among deepest clouds. The team used a combination of telescopes to observe the phenomenon, finding surprising similarities with previous cases.
A new 11-year solar cycle is expected to bring increased risks for power grids, communications, GPS signals, and cell phones. The first sunspot appeared in the Northern Hemisphere, marking the beginning of Solar Cycle 24.
Researchers at CU-Boulder predict wetter storms in the Arctic and mid-latitudes due to global warming, with increased precipitation over individual storms but no clear trend in net precipitation. Higher CO2 levels warm the atmosphere, leading to more water-holding capacity and increased storm moisture content.
A study by Princeton University engineers reveals that cities can increase the intensity of summer thunderstorms, with rainfall up to 30% higher than surrounding areas. The researchers also found that urban environments can alter a storm's life cycle and lead to more flash flooding.
A Dartmouth economist projects steady growth in 401(k) retirement savings, citing the growing importance of personal savings plans. Most concerns about a pension crisis are overstated, with future retirees expected to have substantial wealth, five times that of current retirees.
Researchers found that specialized diets of bat species may contribute to their extinction risk. Contrary to previous studies, dietary breadth was not related to geographic range size or wing structure.
A NASA airborne expedition will investigate how chemical compounds are transported into the stratosphere, affecting cloud formation and climate. The mission aims to document the life cycle of widespread clouds and understand their impact on a warming climate.
A CU-Boulder team is part of a massive field campaign studying tropical storms' impact on global warming and stratospheric ozone depletion. The team will use three NASA aircraft, seven satellites, and other instruments to collect data on chemical compounds, high-altitude clouds, and their influence on the Earth's radiation budget.
CMEs can produce radiation storms, but detecting them through radio signals may provide warning to astronauts and satellite operators. Strong CME shocks accelerate particles in the solar wind, producing both radio signals and radiation storms.
A 10% increase in urban green space could reduce surface temperatures by as much as 4°C, effectively 'climate proofing' cities. However, this may not significantly impact the amount of rainwater captured and retained by urban areas.
Speaker Pelosi and Senator Alexander receive the George E. Brown Jr. Science, Engineering and Technology Leadership Award for their roles in promoting US innovation and competitiveness. They were chosen for leading the House Democrats' Innovation Agenda and championing science research.
Scientists forecast a moderately strong or weak solar storm cycle starting in March 2008 and peaking in October 2011 or August 2012. The panel's predictions are evenly split on the intensity of the cycle, with some expecting a record-breaker.
A Texas A&M University researcher has found that severe pollution from China and India is intensifying storm tracks over the Pacific Ocean, leading to more frequent and severe weather events worldwide. The study suggests a direct link between human-made pollution and climate change.
A scientific team has developed the world's first engineering model to predict how coral reefs will be affected by intense storms. The model takes into account factors such as colony shape, sea-bed strength, and wave force to estimate the likelihood of coral damage.
A new National Research Council report emphasizes the physical risks of extended space journeys due to space radiation. The report recommends developing storm shelters to protect astronauts from harmful radiation, as well as improving space engineering techniques and enhancing solar forecasting.
Researchers found that loblolly pines growing under elevated carbon-dioxide concentrations fared better during and after a major ice storm than those with current levels. The study suggests that forests may suffer less damage during each ice storm event in a future with higher atmospheric CO2.
A new type of microscopy developed by Xiaowei Zhuang at Harvard University resolves objects as small as 20 nanometers, enabling the first ultra-resolution imaging of living biomolecules and cells. The technique, called stochastic optical reconstruction microscopy, uses glowing molecules to create high-resolution images in real-time.
Recent observations from the Cassini spacecraft and Huygens probe suggest massive methane storms on Titan, creating a 'methane cycle' similar to Earth's water cycle. These storms produce dense clouds of methane and copious precipitation of liquid drops, generating rivers and canals on Titan's surface.
Red Storm excelled in the High Performance Computing Challenge test suite, demonstrating exceptional communication bandwidth and floating-point computation capabilities. The supercomputer achieved 40 times more communications power per teraflop than IBM's Blue Gene system, marking a significant milestone in its architecture.
Researchers at Stanford University have developed a new technique that allows anyone with a computer to download images of the entire solar surface. This technology enables the early detection of solar storms on the far side of the sun, which can be detected days or weeks in advance and affect Earth's orbiting satellites, telecommunica...
A new analysis of global satellite data reveals that a warming climate has led to fewer but stronger storms in mid-latitudes, resulting in contrasting cooling and warming effects on the atmosphere. These storm changes affect the Earth's radiation and precipitation fields, leading to increased precipitation in the northern mid-latitudes.
The NCAR team predicts that Cycle 24 will produce larger-than-usual sunspots, affecting satellite orbits and power systems. Scientists developed a model tracking subsurface movements of sunspot remnants for more than 98% accurate forecasts.
Researchers predict Cycle 24 sunspots will span 2.5% of Sun's surface, peaking in 2012, with improved forecasting tool helioseismology used to analyze recent solar cycles and forecast future activity.
Researchers at Duke University captured the clearest video yet of lightning-generated sprites, revealing new details about their development and structure. The team's findings, published in Geophysical Research Letters, provide a better understanding of sprite dynamics and their possible effects on the upper atmosphere.
Researchers have detected a massive lightning storm on Saturn, with flash rates exceeding those of Voyager 1 and intensities comparable to Earth's thunderstorms. The storm has been observed since January 23 and has varied in intensity, with some 25 episodes occurring since its initial detection.
A new study finds that the quality of a dog-owner relationship has no impact on thunderstorm-phobic dogs' stress responses. However, dogs living with other dogs in the household exhibited less pronounced stress reactivity and faster recovery times.
Researchers discovered a link between GPS data and satellite images of the plasmasphere, allowing them to understand the ionosphere-thermosphere-magnetosphere as a coupled system. The study provides a new understanding of space storms and their impact on Earth's upper atmosphere.
Researchers found halophilic bacteria in non-saline Japanese soil, suggesting they originated from salt lakes in Inner Mongolia, China. The study suggests dust storms can transport bacteria across geographical boundaries, posing health risks.
A team of British, US, and French scientists have made a breakthrough in understanding the behavior of high-energy particles in the Van Allen radiation belts. They found that low-frequency radio waves cause particle acceleration and intensify the belts, contradicting long-held theory.
NASA's National Lightning Safety Awareness Week aims to educate summer swimmers, picnickers, and others on the dangers of thunderstorms. The agency's research has created lightning maps that reveal uneven global distribution of lightning strikes, indicating areas prone to storms.
A NCAR researcher used white-light images of the Sun's corona to study magnetic flux ropes, which store massive amounts of energy. The study found that these structures can form prior to a coronal mass ejection (CME), suggesting a new approach for understanding and forecasting CMEs.
A massive Christmas week snowstorm broke records for snow intensity, size, and damages across the Ohio River valley. The storm dumped record snowfall, causing over $900 million in losses, including thousands of injuries and 17 deaths.
Researchers discovered that 11 of 17 measurable chemicals in surface water were reduced after passing through the system, according to Ron Turco, soil microbiologist. The study showed that constructed wetlands can act as a holding area for recycled water, providing a sustainable solution for irrigation and flood prevention.
Researchers found that air pollution can convert insoluble iron into a soluble form, making it available to phytoplankton. This process is important for ocean fertility and carbon dioxide absorption, with small dust storms producing enough soluble iron to fertilize the ocean.
States are finding alternative routes to expand health insurance coverage, including new revenue sources and private-sector partnerships. Medicaid's role is being reevaluated to make programs more affordable and sustainable, with a focus on addressing underlying cost increases and increasing access for vulnerable populations.
Scientists at UCSB study the relationship between recent severe storms and increased oil emissions from the Coal Oil Point seep field. Researchers estimate current oil emissions are many times pre-storm levels, with new areas of seepage appearing and gas driving the flow.