Articles tagged with Storms
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Scientists used two jets to film sprites at 10,000 frames per second, capturing movies that shed light on this poorly understood phenomenon. The research aims to study the forces behind sprite formation and its connection to lightning and atmospheric energy exchange.
Researchers have discovered a new method to predict solar flares by measuring gamma radiation emitted when atoms decay. The system could provide up to 2-day advance warning, allowing operators to minimize impact and astronauts to shield themselves from lethal radiation.
A new device developed by NASA measures formaldehyde levels at low and high altitudes, revealing that 30-40% of pollution is transported during storms. The instrument offers a factor-of-10 improvement in size, sensitivity, and complexity over existing devices.
A team of Harvard researchers has found a connection between climate change, ozone depletion, and an increase in skin cancer incidence. The study suggests that climate change may lead to more damaging ultraviolet (UV) radiation reaching the Earth's surface, resulting in higher rates of skin cancer. The research also raises concerns abo...
The RBSP mission seeks to characterize the Van Allen Radiation Belts, which contain 99% of the universe's electrified gas. The study will address questions about particle origins, mechanisms giving them extreme speed and energy, and their effects on Earth's magnetosphere.
Tropical Storm Khanun is expected to increase in power and affect South and North Korea as it moves northward through the Yellow Sea. The TRMM satellite provided a 3-D view of Khanun's rainfall structure, showing powerful convective storms near the center pushing to heights of about 17 kilometers.
A new warning system can forecast radiation from solar storms nearly three hours in advance, allowing astronauts and air crews to take protective action. The system uses data from neutron monitors installed at the South Pole to estimate the intensity of high-energy particles that arrive on Earth first.
A powerful summer derecho moved from Illinois to the Mid-Atlantic states, bringing destruction and wind gusts of up to 90 mph. NASA satellites captured the event's progression and aftermath, including extensive power outages and massive blackouts.
Tropical depression Dokuri has weakened but remains a threat to the Philippines, with strong convection and thunderstorms being pushed away from its center. NASA's infrared satellite imagery shows cold cloud top temperatures indicating strong uplift, and warnings are in effect for several provinces.
New research highlights the impact of atmospheric gravity waves caused by thunderstorms on air safety, leading to a call for rewritten guidelines. The study reveals that thunderstorms can produce unexpected turbulence more than 100km away from storm cells, posing risks to passengers.
Tropical depression Doksuri was born in the western North Pacific Ocean on June 26, 2012. The NASA Terra satellite captured an infrared image revealing higher thunderstorms around the center of the cyclone.
Tropical storm Talim brought almost 600 mm of rainfall to southern Taiwan, with intense rainfall rates reaching 50mm/hr in the Strait of Taiwan. The TRMM satellite captured powerful storms near Talim's center, indicating heights of up to 16km.
Tropical Storm Talim formed in the South China Sea on June 18, with NASA's TRMM satellite capturing moderate to heavy rainfall data. The storm is currently moving northeastward at 11 knots and is expected to weaken as it passes through the Strait of Taiwan.
Tropical Storm Talim is experiencing its heaviest rainfall in the south and western quadrants, with some areas reaching Vietnam. The storm is expected to strengthen as it moves northeast towards Taiwan, with sea surface temperatures allowing it to continue its trajectory.
Tropical Storm Guchol is consolidating convection and thunderstorms over its low-level circulation center. The storm's slow development is hindered by dry air along its northern edge, resulting in a smaller size.
Researchers analyzed 100 intense North Atlantic storms, finding that around 30% had the potential to produce sting jets. These storms often originated from warmer latitudes, causing strong surface winds. The study highlights the need for improved forecasting and consideration of sting jet risks by insurance companies and policymakers.
Scientists are targeting thunderstorms in Alabama, Colorado, and Oklahoma to discover the influence of thunderstorms on air just beneath the stratosphere. The Deep Convective Clouds & Chemistry (DC3) Experiment will explore how thunderstorms affect climate by forming upper-atmosphere ozone, a greenhouse gas with a strong warming effect.
Researchers launch DC3 experiment to understand thunderstorms' influence on air just beneath the stratosphere, a little-explored region that affects Earth's climate. They aim to explore ozone formation and its impact on climate change by tracking pollutants and chemical reactions.
Researchers in The Journal of Geology found that plain ocean waves, aided by strong storms, can move giant boulders inland. By comparing old maps to modern photos, the team showed that sections of the ridges have moved significantly since 1839.
The IBEX and TWINS missions observed a solar storm on April 5, 2010, revealing the impact on Earth's magnetosphere. The data provides insights into how solar energy affects the magnetosphere, enabling better protection for satellites against space weather hazards.
Tropical Storm Daphne brought heavy rainfall and flooding to the Fuji Islands in Fiji, causing at least three deaths and thousands of evacuations. The storm's rainfall totals reached over 600 millimeters, with some areas experiencing intense rain within a wide band of precipitation.
Tropical Storm Daphne strengthened overnight, with NASA's Terra satellite capturing its cloud extent using infrared imagery. The MODIS image showed a more rounded cloud shape, indicating lessened wind shear. Maximum sustained winds near 50 knots were reported, with the storm speeding southeast at 25 knots.
Cyclone Lua is strengthening as it approaches the Pilbara coast in Northern Australia, with forecasters predicting a landfall on March 17. The storm's cloud top temperatures indicate signs of strengthening, including compact clouds and tropical storm-force winds extending out to 160 nautical miles.
NASA's models predict two CMEs will impact Earth and Mars, causing severe geomagnetic storms and aurora at low latitudes. The flares, part of the sun's normal 11-year solar cycle, were triggered by an active region named AR 1429.
Researchers found a link between large dust storms on southern Iceland and accelerated glacial melting, while also increasing nutrients in the North Atlantic Ocean. The iron-rich dust boosts ocean primary productivity and stimulates marine biota growth, drawing down CO2 from the atmosphere.
A new European Union system forecast space weather launches, providing frequent and reliable web-based forecasts to protect satellite operators from space radiation damage. The system uses satellite data, ground-based measurements, and computer models to predict space weather for the region where most satellites orbit the Earth.
Cyclone Giovanna made landfall in eastern Madagascar with winds gusting to 120 mph, bringing heavy rain and strong winds. The storm is expected to move into the Mozambique Channel, where it will quickly reorganize due to warm waters.
Researchers found El Niño's warm sea surface temperatures and the North Atlantic Oscillation's fluctuation contributed to extreme winter storms in the US. The study used a computer model to simulate the atmosphere and isolated the role of sea surface temperatures in driving snowstorms.
Tropical Cyclone Jasmine has a 20nautical mile-wide eye visible in NASA imagery passing between Vanuatu and New Caledonia. Forecasters predict peak wind speed reached and weakening over the week.
Cyclone Jasmine is strengthening as it approaches Vanuatu and New Caledonia, with forecasters predicting hurricane-force winds and heavy rainfall. The storm's current track takes it between the two island nations, with its center expected to pass nearby on February 8.
Tropical Depression Iggy is being battered by wind shear, causing its strongest thunderstorms to be pushed away from the center. This leads to the storm's collapse, as convection must be stacked like a haystack to maintain the cyclone's structure.
Researchers at Yale University predict that tropical cyclones will cause $109 billion in damages globally by 2100, with climate change exacerbating the issue. The US and China are expected to bear the brunt of the damage, while small island nations like those in the Caribbean will be disproportionately affected.
Cyclone Iggy still has a lot of strength due to cold cloud tops around its center, with temperatures below -63°F (-52.7°C). The storm is expected to weaken as it encounters strong wind shear and cooler waters, potentially leading to dissipation before landfall.
Cyclone Funso is a 400-nautical-mile-wide storm over the Southern Indian Ocean, moving south-southeast from the Mozambique Channel. NASA's Aqua satellite captured an image of the storm on January 26, showing its depth and extent.
A study of extreme coastal storms in the Western Mediterranean found that these events redistribute marine organic carbon, supporting life in deeper waters and enhancing carbon sequestration. The severe damage to coastal environments must also be considered when evaluating human-induced climate change's impact on ocean ecosystems.
Tropical Storm Washi dumped heavy rains over Mindanao, triggering catastrophic flash floods and mudslides. Rainfall totals reached 200-400 mm along the east coast, equivalent to four months of rainfall in Washington, D.C.
Researchers found that surgery to snip nerves related to the sympathetic nervous system on both sides of the chest can help control dangerous incessant ventricular arrhythmias. Four out of six study patients completely responded with no more arrhythmias, and one patient had a partial response.
Five NASA Goddard scientists have been selected to participate in the Mars Science Laboratory (MSL) and Cassini missions. Dr. Jennifer Eigenbrode will study high-energy ionizing radiation on Mars' sediments, while Dr. Daniel Glavin will investigate amines of biological origin using new Sample Analysis at Mars protocols. Dr. Michael Smi...
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.
A new study found that dust storms significantly increase the risk of hospital illnesses for respiratory illness, especially in patients with COPD. The study showed a 5% increase in risk 2 days after a dust storm episode, highlighting the need for timely warnings to avoid air pollution exposure.
A study by Prof. Sébastien Sauvé and colleagues has discovered a strong correlation between the levels of caffeine in water and the level of bacteria, making caffeine a useful indicator of pollution due to sewerage systems.
Air pollution linked to stronger cyclones in Arabian Sea, with research suggesting aerosol buildup over India deflects sunlight, creating dimming that enables stronger storms. Scientists note a trend of increasingly strong cyclones in months preceding monsoon season.
TRMM Satellite tracks Tropical Storm Keila's formation in the Arabian Sea, showing moderate to heavy rainfall spiraling into its center. The storm made landfall in Oman and is expected to track west-southwest along the coastlines of Oman and Yemen.
A recent study suggests that increasing air pollution in the Indian sub-continent is intensifying tropical cyclones in the Arabian Sea. The weakening of wind-shear patterns over the sea allows stronger storm development, resulting in more intense storms.
Research shows that forgetting can be beneficial for memory and problem-solving. By eliminating irrelevant information, we can better retain and recall important details. This phenomenon is particularly evident in situations where updating our knowledge becomes necessary.
Scientists at Delft University of Technology have developed a new method using luminescence dating to determine the year of historic storm floods. By analyzing layers of sediment in the dunes near Heemskerk, they were able to establish that the flood occurred in either 1775 or 1776.
Tropical Depression Haitang is expected to make landfall near Hue, Vietnam tomorrow. Satellite imagery reveals cloud-top temperatures exceeding -63F, indicating strong thunderstorms and heavy rainfall ahead.
Research by Queensland University of Technology found that large dust particles can coagulate with ultrafine vehicle emissions particles, making the latter nearly invisible in their presence. This process reduces the risk of respiratory problems associated with ultrafine particle pollution.
Research highlights a significant increase in European storm frequency and strength since the late 19th century. However, Martian soil samples show moderate oxidation-reduction potential, suggesting that while oxidizing compounds may be present, life could still thrive.
Tropical Storm Muifa is filling the Yellow Sea with its cloud cover, stretching from China to South and North Korea. NASA satellites captured images showing strong thunderstorms around the eye of the storm, with the heaviest rain falling east of the center.
Researchers propose a new model, 'wrap up', explaining the evolution of low pressure systems. This model addresses weaknesses in the Norwegian meteorological model, providing a better understanding of severe weather conditions.
Tropical Storm Muifa strengthened in the western North Pacific Ocean on July 28, with highest thunderstorms located on its eastern and southern sides. A nearby high-pressure area is preventing evaporation in the storm's northern quadrant, weakening its convection.
Tropical Depression 11W is currently located southwest of Andersen Air Force Base, Guam, with maximum sustained winds near 30 knots. The storm is expected to move northwestward for the next day or two before shifting in a northeasterly direction.
Tropical Storms Bret and Cindy are currently in the open waters of the North Atlantic, hundreds of miles east-northeast of Bermuda. Both storms show strong convection with cloud top temperatures as cold as -70 Celsius, indicating high thunderstorms.
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.
Researchers at the Polytechnic University of Catalonia developed a method to evaluate coastal storm vulnerability, finding that one-third of the region's coasts are at risk of severe flooding and erosion. The study used wave data from 1958-2008 to assess the vulnerability of a 50-kilometer stretch of coastline.
Researchers at George Mason University have discovered a phenomenon called magnetic ropes, which are believed to trigger solar storms. These rope-like structures heat up to extreme temperatures and can produce a strong electric current that powers the eruption.
A new study using satellite observations and high-resolution images found that brief changes in soil moisture can affect storm generation in the Sahel region of West Africa. This could lead to improved predictive modeling for crops, which are crucial for the people affected by droughts in the area.
The Stevens Institute of Technology's Center for Science Writings awarded the 2010 book Storms of My Grandchildren by Dr. James Hansen the Green Book Award, recognizing its compelling call to action on global climate change. The award honors books that address environmental issues in a compelling way.
Researchers tracked a massive storm in Saturn's northern hemisphere, which rapidly expanded into a giant thunderstorm. The storm produced dark vortices and disrupted the atmosphere, transporting energy and material over great distances.