Articles tagged with Weather Forecasting
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Scientists have improved weather and climate forecast models by using new Terra data to measure albedo, revealing regional variability in the Sahara Desert and Arabian Peninsula. This correlation will help fine-tune weather and climate models, enabling more accurate predictions.
NASA's QuikSCAT satellite data reveals two ITCZs: a northern zone near the equator and a southern zone south of the equator. The southern zone is weaker due to cooler ocean water, affecting wind speeds and precipitation patterns globally.
The Antarctic Mesoscale Prediction System (AMPS) successfully predicted a brief window of favorable weather, allowing helicopters to bring the last passengers aboard. The forecasting support helped guide the ice-strengthened ship SA Agulhas to retrieve the stranded vessel and crew from near Antarctica.
The NOAA-17 satellite has been successfully launched into orbit, providing improved imaging and sounding capabilities for weather forecasting and climate monitoring. The spacecraft will collect meteorological data and transmit it to users worldwide.
The FLAMBE project utilizes geostationary satellites to detect and monitor forest fires every half-hour, providing early warnings of haze events. The system also estimates burned areas, smoke fluxes, and radiative impacts, complementing NASA's Terra satellite products for improved global climate understanding.
The new tool helps decision makers utilize long-range forecasts by explaining and evaluating their performance. It allows users to customize evaluations based on lead-times, seasons, and locations relevant to their specific needs.
The National Center for Atmospheric Research (NCAR) has won a $3.8 million NASA grant to develop the core software for an Earth System Modeling Framework. The framework will enable models to work together, assimilate observational data, and produce more realistic simulations of weather and climate.
A massive weather study is underway in Kansas, Oklahoma, and Texas, using six aircraft and 30 ground sensors to track water vapor and predict heavy rain. The IHOP2002 project aims to improve forecasts from 1 to 12 hours ahead of heavy rain, which could help in flash-flood safety and other applications.
The new model traces water vapor from its source in the atmosphere to where it falls back to Earth, providing a clearer picture of how water moves. This allows for more accurate weather forecasts by identifying regional sources of atmospheric moisture.
Researchers developed a Web-based display, CIP, to describe current icing conditions, which goes into service this week for meteorologists and airline dispatchers. A companion tool, FIP (Forecast Icing Potential), forecasts potential icing up to 12 hours ahead but is still in development.
A new method significantly improves U.S. seasonal forecast accuracy by analyzing changes in sea surface temperatures across various ocean basins. The approach raises the bar for seasonal and inter-annual climate forecasts, with increases in predictability noted during spring and summer months.
A University of Maine professor has developed a classification system to help weather forecasters and the public understand the likely impacts of winter storms. The system assigns an intensity index and category score based on air pressure and forward speed, providing insights into storm strength and duration.
A new research project could help forecast floods and associated cholera outbreaks in Bangladesh, aiding farmers and improving quality of life. The team will use computer modeling to pinpoint Indian Ocean conditions and rainfall patterns, enabling local forecasts that can aid communities.
Researchers have discovered a new source of information to aid in weather forecasting, leveraging shifts in stratospheric winds to predict surface weather two months in advance. The study reveals that changes in the stratosphere can influence storm tracks and extreme cold events in the Northern hemisphere.
Researchers are testing new advanced weather technology to monitor rainfall in watershed basins as small as one square kilometer. The technology will provide more precise and accurate flood and flash flood warnings, helping emergency management officials prepare for events.
The TRANSMAP system combines land and marine data to provide real-time information on road conditions and weather forecasts. It allows users to view current and historic data from multiple sensors, as well as overlay maps from the state's Geographic Information System.
Researchers at the University of Massachusetts are flying into the eyes of hurricanes using advanced airborne sensors to gather real-time data. The new IWRAP system will provide finer resolution than previous systems, enabling better predictions about storm intensity and potential path.
A broad consortium of scientists proposes developing ecological forecasting to forecast environmental changes, protect ecosystems, and predict the impacts of global warming. The initiative aims to improve planning and decision-making by providing reliable forecasts of ecosystem state and services.
The Scripps Institution of Oceanography has developed a groundbreaking wildfire forecast for the western United States, using statistical methods to predict fire seasons and fuel availability. The 2001 forecast suggests a much milder wildfire season compared to 2000, which burned over 7 million acres and caused $1.6 billion in damage.
Researchers at Penn State aim to improve flood prediction by evaluating past storms with different forecasting methods. They found that convective parameterization schemes can help forecast rainfall, but the best scheme varies depending on the season and atmospheric conditions.
Researchers at Johns Hopkins University Applied Physics Laboratory have developed a system to measure magnetic and electrical fields over large areas of the ionosphere, providing the first continuous monitoring of electric currents between space and the upper atmosphere. The advanced system will enable improved understanding and foreca...
New satellite-generated rain maps provide more accurate tropical rainfall measurements, helping manage water resources and understand El Niño-La Niña patterns. The TRMM satellite's high-resolution data also enables better weather forecasting and climate projections.
The Harvard Ocean Prediction System (HOPS) is a modular system that provides forecasts of ocean weather and information about ocean life. HOPS has been used to predict the location of crash debris from EgyptAir Flight 990 and identify promising waters for commercial fishing.
The Web Weather for Kids website has won an award for its online weather forecasting contest, which aims to engage middle schoolers in predicting the weather. The site's success is attributed to its interactive and educational content, which teaches students about thunderstorms, tornadoes, and other phenomena.
The Colorado State University hurricane forecast team predicts a moderate 2000 season with fewer storms than recent years. This is attributed to the La Niña phenomenon weakening by next season, which should reduce its enhancing effect on hurricane formation in the Atlantic Basin.
Researchers developed a model to predict bird flight patterns, enabling pilots to adjust their routes and altitudes. The model can forecast bird locations and altitudes hours in advance, reducing the risk of bird strikes and damage to windshields and turbine engine blades.
The SHOWEX experiment aims to better predict wave formation and severity, improving navigation safety at sea and weather forecasting. Researchers will use a range of instruments, including aircraft, craft, buoys, and subsurface sensors, to study wave components and their interactions.
Researchers at Penn State have developed a new mobile data access system (MDAS) that enables efficient access to diverse data sources through both wired and wireless connections. The system uses multidatabases to provide integrated access to multiple databases with a single query, reducing traffic jams caused by simultaneous queries.
The new satellite-based tools provide unprecedented insights into tropical cyclones, allowing scientists to break them down into their component parts. This 'data fusion' technique enables the development of advanced hurricane forecasting methods, such as Wavetrak, which sheds light on the origin and intensity of these storms.
The Office of Naval Research is testing a new weather radar system that delivers potentially superior at-sea weather information. The system, which uses the Navy's SPY-1 phased array radar, will provide direct weather feedback and input to tactical weather forecasts.
Researchers at U of T used nonlinear dynamics techniques to predict seizures and identified a dynamic regime - type III intermittency - that takes place during seizures. This approach may improve techniques to control the brain's transition to seizure, offering new hope for patients with intractable epilepsy.
The Colorado State University hurricane forecast team predicts a highly active 1999 hurricane season with landfall probabilities above average for the East Coast and Florida Peninsula. The team expects four major hurricanes with minimum winds of 111 mph, which historically cause most hurricane-spawned destruction.
Climate forecasts can have a mixed impact on different groups, with benefits for large fishing companies and losses for small-scale fishermen. Researchers are calling for better dissemination of climate information to address these issues.
A new heat-health watch/warning system will be installed in Rome by summer 2000, giving health officials up to 60 hours' notice of deadly weather. The system has already protected people from killer heat in Philadelphia and Washington D.C., and may be launched in Shanghai and other cities if effective.
Researchers can now forecast long-term climate cycles, such as the El Niño Southern Oscillation and Pacific Decadal Oscillation. By understanding these cycles, policymakers can develop strategies to lessen climate-related effects, potentially ensuring cultural survival.
The CloudSat spacecraft will produce detailed three-dimensional images of vertical cloud structures, missing from current weather forecasting models. Colorado State technology also contributes to a second NASA mission studying aerosols and thin clouds, enhancing climate change understanding.
The Colorado State University hurricane forecast team predicts 14 named storms, 9 hurricanes, and 4 intense hurricanes for the 1999 season. The U.S. Atlantic coast has a higher probability of being hit by major storms, with the Gulf Coast facing an increased risk of landfall.
The 1998 hurricane season saw a significant increase in storm frequency and intensity, with three hurricanes and four tropical storms making landfall along the US coastline. The season was attributed to warming ocean temperatures and changes in atmospheric circulation patterns.
A recent study suggests that El Nino events can be predicted several months in advance, with seasonal averages in the tropics being the most predictable. The research identifies sea surface temperature, soil wetness, vegetation, and snow cover as key factors influencing weather patterns.
The Aerosonde successfully completed the 2,000-mile, 26-hour trans-Atlantic flight, becoming the smallest aircraft to cross the Atlantic. The achievement marks a significant milestone in autonomous aviation and demonstrates the potential of unmanned aircraft as workhorses for the next century.
Researchers aim to prove robotic planes can operate autonomously over the Atlantic Ocean, improving weather forecasting. The autonomous aircraft will gather meteorological data for improved forecast accuracy and potentially detect severe weather.
A cost-benefit analysis found El Nino forecasting provides an annual economic return of 13-26% to the US agricultural industry, exceeding the government's minimum standard. The Tropical Ocean Global Atmosphere (TOGA) climate research program yields benefits worth $240-266 million annually.
Researchers have developed computer crop models to predict crop yields and prices, helping farmers make informed decisions before an El Niño event. The models combine weather and soil information with virtual farming decisions, allowing for tailored growing strategies that reduce risks and uncertainties.
Global climate factors point to more active storm era, with warmer sea surface temperatures and increased rainfall in the Sahel region. This trend contrasts with the most inactive four-year stretch within the same period, from 1991-94.
Researchers are collecting data from the lowest few thousand feet of the atmosphere, known as the boundary layer, to better understand its interactions with the surface. The Cooperative Atmosphere-Surface Exchange Study (CASES) aims to improve weather forecasting by measuring heating and evaporation rates at the surface.
A research team at Colorado State University predicts that the 1997 hurricane season will be above average, with 11 tropical storms expected to form. The team expects seven of these storms to become hurricanes, with three becoming major hurricanes, which cause 75% of all storm-spawned damage.
Scientists at NCAR are testing new forecasting methods to predict treacherous icing zones and improve pilot safety. The experiment uses weather observations, numerical models, and aircraft measurements to target large-droplet icing conditions, providing escape routes for pilots.
The study enhances lightning detection capabilities with total lightning measurements, providing more accurate forecasts of severe storms and storm morphology. This technology has the potential to improve space launch weather support and reduce delays or scrubs due to adverse weather conditions.
A new weather-forecasting system using a powerful Sun Microsystems computer is providing the Pacific Northwest region with highly accurate temperature and wind forecasts. The system helps predict weather patterns such as snow, rain, and precipitation, enabling agencies to prepare for extreme weather events and issue air-quality alerts.
A field program, FASTEX, investigates connections between coast-to-coast winter storms and Atlantic Ocean storms to enhance forecasting for both Europe and North America. The project aims to identify precursors that trigger cyclones, enabling better forecasts up to two or three days in advance.
Scientists from 11 countries investigate powerful winter storms in the North Atlantic to better forecast their impact on western Europe and the US West Coast. By studying precursors and cyclones, FASTEX aims to enhance computerized forecasts.
The FAA is testing a new deicing system that provides half-hour forecasts to aid in deicing decisions, potentially reducing cancellations and costs. The system uses data from surface weather stations, snow-weighing gauges, and Doppler radars to provide accurate predictions of snowfall accumulation.
Researchers have successfully used GPS satellites to collect accurate weather data, including temperature, pressure, and humidity, every hour of the day, for any location on Earth. This new technique fills a void in atmospheric data collection over oceans, providing valuable insights into climate change research.
Researchers using Global Positioning System (GPS) satellites have developed a new technique to collect unprecedented accurate weather data, every hour of the day, for anywhere on Earth. This breakthrough could lead to greatly improved weather forecasts within months.
Research suggests that mountains are key to determining the location of severe winter storms. The Rocky Mountains and Tibetan Plateau influence storm tracks over North America and Asia. Understanding these dynamics can lead to more accurate weather predictions and insights into the Earth's atmosphere.