Articles tagged with Weather Forecasting
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Researchers emphasize the need for improved computer models of black carbon and other aerosol pollutants to accurately forecast health and climate impacts. The use of satellite data from NASA-funded projects has shown that air pollution can be transported across continents, with significant effects on local and regional climate.
Cyclone Giovanna was regaining strength in the warm waters of the Mozambique Channel, with strongest thunderstorms west of its center. The storm's maximum sustained winds reached 50 knots and is expected to move slowly westward across the channel.
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.
The Space Weather Laboratory will implement ensemble forecasting, producing up to 100 computerized forecasts simultaneously, improving the reliability of space weather alerts. This new capability is crucial for protecting astronauts and NASA spacecraft from potential harm during periods of increased solar activity.
Researchers are developing new flight system programming that combines data analysis with aviation know-how to create safer skies. The project aims to improve the accuracy and timeliness of flight data, reducing the risk of accidents caused by outdated or incorrect information.
The National Polar-orbiting Operational Environmental Satellite System Preparatory Project has been renamed Suomi NPP in recognition of Verner Suomi's contributions to weather forecasting and climate change research. The new name reflects the mission's objective of advancing scientific knowledge of Earth and improving weather forecasts.
Tropical Cyclone Funso is intensifying in the Mozambique Channel, bringing heavy rainfall to Mozambique and Madagascar. The storm's strengthening clouds indicate a potential threat to residents still recovering from Tropical Depression Dando.
Scientists have developed a framework for predicting tornado activity up to a month out, giving communities a chance to plan and potentially aid in the understanding of whether tornadoes are growing more frequent due to climate warming.
Tropical Storm Heidi is forecast to make landfall today along Western Australia's Pilbara coast, bringing heavy rainfall and gusty winds. The storm's center is still north of the coast, with maximum sustained winds increasing to 63 mph.
A new study uses weather forecasting models to predict the spread of brain tumors, demonstrating the feasibility of a mathematical approach. The model, known as LETKF, provides accurate and efficient predictions of tumor growth and spread, taking into account errors in model parameters and measurement uncertainties.
Tropical Storm Washi is expected to make landfall in Surigao del Sur early tomorrow afternoon and will bring heavy rainfall and gusty winds to the region. Residents are advised to prepare for the storm's arrival, as it has been classified as a Category 1 tropical cyclone with maximum sustained winds near 35 knots.
A study proposes a common root for record-breaking rainfall and historic tornado outbreaks in the US. Researchers link these events to a rare coupling between polar and subtropical jet streams originating in the western Pacific. This phenomenon, known as a 'superjet,' can carry twice as much energy as typical jet streams.
The NCAR wind forecasting system has improved the accuracy of wind energy forecasts by 35%, allowing Xcel Energy to harness wind more effectively and save ratepayers millions of dollars yearly. The system uses cutting-edge computer models and real-time observations to provide high-resolution forecasts, updated every 15 minutes.
The Advanced Technology Microwave Sounder (ATMS) instrument on board NASA's NPP satellite acquired its first measurements in November 2011. The data will be used to improve short-term weather forecasts up to 5-7 days in advance, and provide critical information for climate research.
Bioengineers from Rice University are testing a new law of biology to predict when critically ill patients will worsen, and which treatment is likely to prevent it. The study aims to provide clinicians with a patient-specific 'forecast' using data from electrocardiograms and other vital signs.
An international research project led by ONR aims to improve long-range weather forecasts and seasonal outlooks by studying the Madden-Julian Oscillation in the Indian Ocean. The study will provide valuable insights into climate modeling and refine global climate computer models.
NASA's TRMM satellite provided critical clues to Philippe's strengthening, revealing towering thunderstorms and intense rainfall. The satellite's data showed deep convective towers reaching heights of over 13km, indicating the storm was intensifying.
Typhoon Nesat is expected to make landfall in the northern Philippines, bringing heavy rainfall, gusty winds, and dangerous surf. The storm has maximum sustained winds near 80 knots (92 mph/148 kmh) and is forecast to cross Luzon and move into the South China Sea.
A new model has successfully predicted Arctic sea ice conditions up to five years into the future. The research shows that measuring ice thickness in September can provide a reliable gauge for the summer's low ebb. This prediction is important for shipping, oil exploration, and conservation efforts.
Researchers gather data in the Indian Ocean to understand tropical weather patterns and their effects on global climate. The six-month field campaign aims to improve long-range weather forecasts and seasonal outlooks.
Researchers will analyze social and economic impacts of atmospheric blocking events from the 20th century. They aim to develop new methods for spotting and predicting this rare weather phenomenon, which can trigger extreme conditions such as heat waves and flooding.
NASA's Aqua satellite revealed powerful convection in System 94W, strengthening it into Tropical Storm Sonca. Infrared data showed cloud temperatures and heights, aiding forecasters in predicting the storm's behavior.
Researchers at UCLA have developed a new algorithm that improves climate forecast accuracy by 16 months, enabling more precise predictions for agriculture and industry, while also helping identify El Niño events
Tropical Storm Maria is approaching the Lesser Antilles in the Caribbean Sea with maximum sustained winds near 45 mph. The storm may bring 3-5 inches of rainfall to the region, with isolated totals as high as 8 inches.
Hurricane Irene strengthened into a major hurricane on the GOES-13 satellite video, reaching Category 3 status with 115mph winds. The storm is expected to make landfall in eastern North Carolina as a major hurricane, bringing devastating damage and heavy rainfall.
A new computational model developed by researchers at Ohio State University can forecast where cholera outbreaks are likely to occur in Haiti. The model takes into account various factors, including environmental conditions and human contact, to identify typical patterns of cholera outbreaks and hotspots where control efforts are needed.
NASA's GOES-13 satellite captured the formation of Tropical Storm Don, which strengthened into a tropical depression and then storm over two days. The storm is expected to bring isolated showers and tropical storm-force winds to Texas coast, potentially providing drought relief.
Tropical Storm Nock-ten is forecast to bring heavy rainfall, gusty winds, and localized flooding to central Philippines. The storm is expected to weaken over land but re-energize once it enters the South China Sea.
The tenth tropical depression has formed in the western North Pacific Ocean, bringing rains to the central Philippines as observed on infrared imagery from NASA's Aqua satellite. The system is moving northwest at 9 knots and is expected to slowly intensify over the next two days, making landfall northeast of Hong Kong later this week.
Researchers from UGA found a significant relationship between autumn snow extent in specific regions of Eurasia and temperatures across North America during the subsequent winter. Years with extensive autumn snow in northwest Eurasia were associated with winter temperatures seven degrees lower near the center of North America.
Tropical Storm Beatriz rapidly weakened after making landfall in Mexico's western mountains, transforming from a strong tropical storm to a weak tropical depression within six hours. The storm's remnants are now moving over cooler sea surface temperatures with a slim chance of regenerating due to sub-80°F waters.
Research finds that paved surfaces in cities like Houston can lead to stagnant air and increased pollution by altering wind patterns. By adding parks and lakes, cities may be able to improve air quality by blowing away pollutants.
The NASA National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) climate and weather satellite has completed all environmental testing, including thermal vacuum testing. The successful test paves the way for the satellite's planned launch on October 25.
The California Energy Commission is funding $1.4 million in renewable energy research at UC San Diego, including advanced solar forecasting and energy storage systems. The investment will help accelerate the development of clean energy technologies and achieve California's 33% Renewable Energy Portfolio Standard by 2020.
A low pressure area over northern Illinois has created conditions for severe weather in the eastern third of the US. The GOES-13 Satellite captured an image of strong thunderstorms with a high risk area stretching from southern Arkansas to northeastern Texas.
OU School of Meteorology faculty are leading predictability research initiatives, exploring various weather phenomena and their impacts. The team aims to improve forecasting for severe weather events like landslides, tornadoes, and thunderstorms by advancing tools like the SEGMENT modeling system.
Researchers developed a method to use passive microwave satellite imagery to monitor hurricane structure and intensity changes, revealing patterns in storm dynamics. This allows for a 30-hour window before a storm hits its maximum strength, enabling forecasters to issue earlier warnings and evacuate areas at risk.
Tropical Storm Errol has strengthened overnight and developed into a well-defined center of circulation, with strong thunderstorms and cold cloud tops. The storm is expected to bring heavy rainfall, rough surf, and gusty winds along the northern coast of Western Australia.
Researchers at North Carolina State University have developed software that creates a privacy mode for Android systems, giving users flexible control over personal information. The TISSA prototype includes four possible privacy settings for each application, allowing users to customize the level of information accessed.
A new computer-generated forecast provides pilots with critical weather information on the likelihood of encountering in-flight icing conditions. The Forecast Icing Product with Severity (FIP-Severity) offers 12-hour forecasts that help users plan safe flight paths, reducing accidents and costs related to icing hazards.
The EURISGIC project aims to estimate geomagnetically induced current (GIC) risk using European archives and develop a prototype service for GIC forecasts. The project, involving 6 countries, will provide real-time solar wind measurements to improve power grid resilience.
The new Space Weather App allows users to access real-time images and data on solar events, including coronal mass ejections and X-ray outbursts. Users can customize the app to display information of interest, increasing public awareness of space weather.
Groundwater depletion in California's Central Valley poses a significant threat to the state's economy and food security, with two-thirds of the loss attributed to central valley groundwater depletion. Conversely, corals are expanding their range poleward in temperate areas as seas warm, indicating rapid modifications to coastal ecosys...
The NASA National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) climate/weather satellite is successfully completing flight environmental testing. The five-instrument suite will provide continuity of climate observations and enhance weather forecasting capabilities.
A new scientific study confirms that computer models at a European weather-forecasting center gave clear indications of the impending floods in Pakistan last July. The researchers found that if the information had been processed, forecasters could have predicted extremely accurate rainfall totals and even prevented some flooding.
NASA's Terra satellite captured an image of Cyclone Yasi on Jan. 30 at 23:20 UTC, revealing a well-formed storm that appears to be strengthening. The cyclone is forecast to continue intensifying over the next 36 hours and make landfall just south of Cairns as a large system.
A physics-based space weather prediction model is now in operation, offering a one-to-four day warning of high-speed solar plasma streams and Earth-directed coronal mass ejections. This development addresses the growing need to protect global communications infrastructure from severe space weather disruptions.
A tropical cyclone system, System 98S, is bringing heavy rainfall and gusty winds to the northwestern coast of Western Australia. The NASA TRMM satellite has captured images of moderate to heavy rainfall in the system, with areas near Kununurra experiencing light to moderate rainfall.
Kieran T. Bhatia, a meteorology and physical oceanography doctoral student, has been awarded the 12th annual Alumni Fellow at the University of Miami's Rosenstiel School. The fellowship provides tuition and stipend support for his graduate career. Bhatia is working on research related to hurricane dynamics and development.
Researchers at the University of Wisconsin-Madison found that satellite data can significantly improve forecast accuracy for thunderstorms, which can bring intense rain, hail, lightning, and tornadoes. By incorporating upper atmosphere conditions into storm prediction models, scientists can better anticipate severe weather events.
A study by Duke University scientists found that the Bermuda High's center intensified by 0.9 geopotential meters a decade from 1948 to 2007, leading to increased summer rainfall variability in the Southeast. This intensification is attributed to anthropogenic warming and is expected to continue in coming decades.
The new fog warning system provides reliable services and saves socio-economic costs, with a forecasted cost-benefit ratio of 9.4, indicating it pays itself back ten times over within ten years. The system has demonstrated minimal service breaks and real-time functionality.
Tropical Storm Richard is expected to intensify in the western Caribbean before making landfall, bringing maximum storm totals of 5-7 inches of rain and potentially flash flooding and mudslides. Residents in eastern Honduras, Guatemala, Belize and Mexico's Yucatan Peninsula are bracing for its impacts as it approaches
Researchers used Doppler weather radar data to improve forecast models for monsoon systems, reducing landfall error from 200km to 75km. This enhancement can better prepare people for heavy rains and catastrophic floods in coastal areas of India.
Tropical Storm Nicole's remnants combined with an upper-level low pressure system, dumping record rainfall on the US East Coast. Heavy rains fell across states from New England to North Carolina, breaking records at multiple airports and cities.
Tropical Storm Nicole has weakened into a remnant low pressure area off the Florida coast. A massive trough of low pressure over the eastern seaboard is streaming tropical moisture from Nicole's remnants, bringing heavy rainfall totals to the region.
Tropical Storm Malakas is expected to strengthen as it approaches Iwo To due to cold cloud top temperatures. The storm's high sea levels and northward movement pose a threat to the island.
The TRMM satellite provided a 3-D image of Hurricane Igor's cloud heights and rainfall rates, revealing towering clouds and heavy rainfall. The image showed the eye was still distinct but the southwestern portion had eroded, with heavy rainfall falling at 2 inches per hour.
A new report examines current capabilities for making climate predictions and identifies opportunities for improvement. Improvements in observational capabilities, statistical models, and data assimilation systems are needed to better understand key processes that could help improve forecasts.
Researchers conducted 18 hurricane hunter flights, including the first flight by an unmanned NASA Global Hawk over a hurricane to study intensification. The Intensity Forecast Experiment (IFEX) incorporates data from various sources to improve forecast accuracy.