Sentences with phrase «computer weather models»
She has also led the agency's work to prepare for a probable gap in data from the series of polar - orbiting satellites that feed observations to NOAA's computer weather models.
https://www.scientificamerican.com/ Not exact matches
Huss gathered more than 100 years of field measurements, aerial photographs, and local weather logs pertaining to 30 large Swiss glaciers to build computer models of each, identifying fast melt in the 1940s and in the past couple of decades.
Now a computer scientist who works on weather - prediction models at the National Oceanic and Atmospheric Administration (NOAA), Price says science and technology were always topics around his house growing up.
To find out more about how meteorologists use forecasting models to get ahead of Mother Nature as well as the limitations of this technology, Scientific American spoke with Thomas Else, chief meteorologist and director of meteorological services and computer programming for Hackettstown, N.J. - based weather forecasting consulting firm Weather Works LLC.
They also used a physically based computer model of the hydrologic cycle, which takes daily weather observations and computes the snow accumulation, melting, and runoff to estimate the total snowpack in the western U.S.
After plugging all this information into computer models, they found that access to scientific information has a minimal effect on the public's opinion about climate change, while weather extremes have no noticeable effect whatsoever (which slightly contrasts with a 2011 study).
[The weather] information's based on computer models out of America, which is sort of marginal value, and they don't have any local information.
Although meteorologists now rely heavily on computer models (numerical weather prediction), it is still relatively common to use techniques and conceptual models that were developed before computers were powerful enough to make predictions accurately or efficiently.
To see whether this increase in crops has influenced the region's unusual weather, researchers at the Massachusetts Institute of Technology in Cambridge used computers to model five different 30 - year climate simulations, based on data from 1982 to 2011.
They said the real strength of the Jacobson study — now in press at the Journal of Geophysical Research - Atmospheres — is that it relies on a new computer model of climate, air pollution and weather that accounts for several different ways black carbon influences the environment.
This finding was reinforced by computer models of the general circulation of the atmosphere, the fruit of a long effort to learn how to predict (and perhaps even deliberately change) the weather.
• EXTREME WEATHER New radar and satellite technologies will allow forecasters to build better computer models for extreme weather events, such as tornadoes and hurrWEATHER New radar and satellite technologies will allow forecasters to build better computer models for extreme weather events, such as tornadoes and hurrweather events, such as tornadoes and hurricanes.
Now, in a new $ 62 million, 5 - year program, the network of doomsday machines is expanding to simulate hurricanes and tornadoes and is joining forces with computer modeling to study how things too big for a physical test — such as nuclear reactors or even an entire city — will weather what Mother Nature throws at them.
Computer model finds historical patterns In order to learn that this atmospheric pattern exists in advance of heat waves, Teng and her co-authors had to look far back in the history of heat waves — from before weather records were kept.
Modern weather forecasting relies on complicated computer models of the atmosphere.
The researchers compared 100 years of weather records from the Arctic and 50 - plus years of those kept on Antarctica with the results of four computer models.
New radar technology will allow forecasters to better «see» extreme weather, as will potential improvements to satellite technology, as well as computer models that run on more powerful supercomputers.
Their data will be used in computer models to improve weather forecasts, including hurricane tracks and intensities, severe thunderstorms and floods.
Computer - generated models are essential for or scientists to predict the nature and magnitude of weather systems, including their changes and patterns.
EWeLiNE combines these data with other atmospheric observations — from ground - based weather stations, radar and satellites — and sophisticated computer models predict power generation over the next 48 hours or so.
Lapenta foresees a day in the next decade when the increasing capabilities of new radars and satellites will be coupled with an evolving generation of finely detailed weather - prediction models running in real time on computers at speeds exceeding a quintillion computations a second.
He will enter it all into a computer model that simulates water flow and nitrogen transport under various irrigation and weather conditions, so that researchers can get the full picture of what is happening underground.
Many recent events - discoveries from sediment cores in New York, drought in Australia and the western United States, data from increasingly sophisticated computer models - lead to a conclusion that the weather driving many of the globe's great breadbaskets will become hotter, drier and more unpredictable.
He says he's confident that the day will come when wildland fires will be forecast using computer models just as accurately as we now can forecast the next day's weather.
In order to demonstrate these links, PhD student Sil Lanckriet (Department of Geography, Ghent University) analyzed weather data since the 1950s, as delivered from a meteorological computer model.
New computer models begin to suggest how changes in the sun's strength might change weather patterns
To attribute any specific extreme weather event — such as the downpours that caused flooding in Pakistan or Australia, for example — requires running such computer models thousands of times to detect any possible human impact amidst all the natural influences on a given day's weather.
To predict hail storms, or weather in general, scientists have developed mathematically based physics models of the atmosphere and the complex processes within, and computer codes that represent these physical processes on a grid consisting of millions of points.
Researchers have now used a computer model to assess the possible effects of smoke on the region's weather that day.
Tell it to the judge Even as enhanced computer modeling and more precise measurement bring control of extreme weather closer, those pushing the envelope find themselves facing the same hurdle as Bernard Vonnegut and his colleagues at General Electric half a century ago: the risk of getting sued.
Researchers at Harvard University, the University of Utah and the National Center for Atmospheric Research say they were able to accurately measure carbon dioxide emitted in Salt Lake City using ground stations, weather and land - use data, and a computer model.
In an attempt to save more lives and livelihoods through improvements in forecasting extreme weather — as well to make preparations to cope with such events — the U.S. National Oceanic and Atmospheric Administration is investing in improved radar systems, more advanced computer modeling and better satellite systems.
Based on a computer model that used the air - sampling data and weather patterns, IRSN concluded in early October 2017 that the ruthenium most likely originated in the southern Urals; its German counterpart agreed.
April 23, 2018 - A new earth modeling system unveiled today will have weather - scale resolution and use advanced computers to simulate aspects of Earth's variability and anticipate decadal changes that will critically impact the U.S. energy sector in coming years.
By pulling together the maximum possible computer resource, and running these weather forecast models thousands of times — and for alternative carbon dioxide levels — a picture can be built of how often severe storms can be expected.
In addition, atmospheric scientist Dr. Hendrik Tennekes, a scientific pioneer in the development of numerical weather prediction and former director of research at The Netherlands» Royal National Meteorological Institute, recently compared scientists who promote computer models predicting future climate doom to unlicensed «software engineers.»
PNNL researchers use a host of cutting - edge tools — including weather radars, research aircraft, computer models and satellite measurements — to explore these complex interactions.
The scientists used standard climate computer models to come up with the extreme future weather conditions.
People who work in this field, called atmospheric scientists, use computers and math to model the properties of Earth's atmosphere that drive weather, climate and the movement of gases and pollutants through the air.
Researchers also combine their observations and data with computer models that try to replicate weather and sea ice conditions in the Arctic.
With national and local computer models forecasting a major winter storm — including heavy snow, strong winds and coastal flooding — for Long Island this coming weekend, Central Veterinary Associates (CVA) is reminding pet owners that freezing temperatures and blustery weather can have an adverse effect on the well - being of their animal.
These are million dollar computer enhanced machines that are fed into other computers that do nothing but compute complex weather models.
The authors compared recently constructed temperature data sets from Antarctica, based on data from ice cores and ground weather stations, to 20th century simulations from computer models used by scientists to simulate global climate.
... as long as weather satellites show that the atmosphere is not warming, I can not put much faith into theoretical computer models that claim to represent the atmosphere but contradict what the atmosphere tells us.
Specific examples of additional impacts include a reduction in capital equipment acquisitions across the entire lab with computing alone sliding from $ 7 million to $ 3 million, the elimination of NCAR's lidar research facility as well as the extra-solar planet program, delays in computer modeling and prediction efforts for both weather and climate, reductions in the solar coronal observing program, a reduction in the number of post doctoral appointments, reduction of the societal impacts program, and widespread deferred maintenance and delays in equipment and instrument acquisition and replacement.
A national center is appropriate to host major super computers, data centers, instrumented aircraft, radars and other instruments, community weather and climate models, and teams of scientists working together on large problems that are difficult to do in single universities.
This whole business of trying to incorporate hurricane intensity and frequency into computer models should be decoupled because hurricanes are short - lived weather events and are not «climate.»
Typo, first para under reananlyses: «Since weather forecasts (the «analyses») have got much better over the years because computers are faster and models are more skillful.»
This may be a bit pedantic, but I take issue with the claim «[R] eanalyses are effectively the weather forecasts you would have got over the years if we had modern computers and models available».
Scientists have suspected that pollution from airborne dust and soot play a role in cloud development, but a recent pairing of observed weather data along with computer modeling confirms it.