Sentences with phrase «in numerical weather»

In the present study, we follow the same philosophy in the definition of reliability and interpretation of the rank histogram as Y12, which is analogous to how it is commonly used in numerical weather prediction.

The ECMWF atmospheric module is evaluated every day in numerical weather prediction mode, and also each month for the seasonal forecasts.

An assessment of the SST influence on surface wind stress in numerical weather prediction and climate models

Thus, in numerical weather prediction out to a mere few days, one tends to neglect the intrinsic variability of the oceans and concentrates on the atmosphere, with sea surface temperatures prescribed as a boundary condition; the sea surface temperature field can either be kept constant in time or allowed to vary in some prescribed manner, e.g., according to a diurnal cycle.

The European Centre for Medium - Range Weather Forecasts (ECMWF) is an international organisation which specialises in numerical weather and is supported by and provides services to many European states, including the UK.

Much of this progress is due to advances in numerical weather prediction, that is, the use of computer models which approximate the fluid motions of the atmosphere to create forecasts of the weather at some time in the future.

The European Centre for Medium - Range Weather Forecasts (ECMWF) is an international organisation which specialises in numerical weather prediction and is supported by many European states.

The results can be applied in numerical weather prediction, weather services and climate research, for example in the speciality areas of solar energy forecasting and aviation support.

Ensemble forecasting is a method used in numerical weather prediction.

It began with a discussion on a topic on which they agreed — how the U.S. had fallen behind Europe in numerical weather prediction.

Similar conclusions are reached in a numerical weather prediction context by T. Jung et al. at ECMWF (GRL 2011: http://www.agu.org/pubs/crossref/2011/2011GL046786.shtml) who performed very detailed sensitivity analysis of the origin of the very persistent negative NAO (blocked phase) during the winter of 2009 - 10.

This claim is complemented with a broad literature synthesis of past work in numerical weather prediction, observations, dynamical theory, and modeling in the central U.S. Importantly, the discussion also distills some notoriously confusing aspects of the super-parameterization approach into clear language and diagrams, which are a constructive contribution to the literature.

Boyle, J.S., et al., 2005: Diagnosis of Community Atmospheric Model 2 (CAM2) in numerical weather forecast configuration at Atmospheric Radiation Measurement (ARM) sites.

The coming revolution in numerical weather prediction [link] Dessler, Mauritsen and Stevens...

I was working for the Omani Meteorological Department when the implementation of a numerical weather forecasting model prompted the need for some local knowledge in numerical weather predictions.

«Consequently, global «water vapor winds» are estimated from the movement of these features and used in numerical weather models to improve long - range forecasts,» Chesters said.

Not exact matches

Armed with their model, the researchers want to identify and understand deficiencies in state - of - the - art numerical weather models that prevent them from predicting weather on these subseasonal time scales.

«It's impressive, considering that current state - of - the - art numerical weather models, such as NOA's Global Forecast System, or the European Centre for Medium - Range Weather Forecasts» operational model, are only skillful up to one to two weeks in advance,» says paper co-author Cory Baggett, a postdoctoral researcher in the Barnes and Maloney labs.

On the basis of magnetic data collected in real time and a chain of suitable numerical models it will eventually prove possible, rather as in conventional meteorology, to forecast space weather and prevent the impact of solar storms on Earth.

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.&raquIn 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.&raquin 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.»

New technique targets numerical errors related to time evolution in weather and climate models

Previously, Kelly was a Postdoctoral Fellow and Research Associate at the University of Washington and the University of Victoria in British Columbia, Canada where she studied the role of the changing Arctic sea ice cover on global circulation, weather, and climate using a hierarchy of numerical global climate models.

Space research at our institute is conducted within two Research Programmes: planetary research and numerical modelling in Earth Observation, and ground - based observations and space weather applications in Arctic Research.

Specializing in the parameterization of land - atmosphere exchange for use in Global Climate, Regional Mesoscale, and Local Cloud - Resolving numerical weather prediction models.

They can be simulated to some degree in high resolution cloud resolving models; not sure about [numerical weather prediction] models, probably not in climate models.

-- Pete Wetzel, Ph. D., Research Meteorologist at NASA Goddard Space Flight Center, specializing in parameterizing the interactions between the land surface and the atmosphere for Global Climate, Regional Mesoscale, and local Cloud - resolving numerical weather prediction models.

Sea surface temperature (SST) measured from Earth Observation Satellites in considerable spatial detail and at high frequency, is increasingly required for use in the context of operational monitoring and forecasting of the ocean, for assimilation into coupled ocean - atmosphere model systems and for applications in short - term numerical weather prediction and longer term climate change detection.

The study group was headed by the noted American meteorologist Jule G. Charney, who played an important role in developing numerical weather prediction and was Alfred P. Sloan Professor of Meteorology at the Massachusetts Institute of Technology.

Type 2 dynamic downscaling refers to regional weather (or climate) simulations in which the regional model's initial atmospheric conditions are forgotten (i.e., the predictions do not depend on the specific initial conditions), but results still depend on the lateral boundary conditions from a global numerical weather prediction where initial observed atmospheric conditions are not yet forgotten, or are from a global reanalysis.

«Radiation calculations in global numerical weather prediction (NWP) and climate models are usually performed in 3 - hourly time intervals in order to reduce the computational cost.

Atmospheric Scientist Tennekes: «Sun may cause some cooling» — «No evidence at all for catastrophic global warming» — July 14, 2008 (By 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.)

A cell refers to a point location and hypothetical wind development site in the Canadian domain collocated with a numerical weather prediction (NWP) grid point.

Pelletier, J. D., and V. R. Baker (2011), The role of weathering in the formation of bedrock valleys on Earth and Mars: A numerical modeling investigation, J. Geophys.

That requires considerable sensitivity research with state - of - the art numerical weather prediction (and climate) models... This hand - waving theory may not hold up when a rigorous scientific hypothesis is tested, yet McKibben does not provide a citation or reference aside from Masters» quotations, which are not peer - reviewed in the slightest.»

«We have groups doing numerical weather prediction, hurricanes, climate, oceans, but in the international arena, countries have whole institutions doing the functions of these individual groups,» said Dr. Ronald J. Stouffer, who designs and runs climate models at the Geophysical Fluid Dynamics Laboratory in Princeton, N.J., a top Commerce Department center for weather and climate work.

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, and an internationally recognized expert in atmospheric boundary layer processes, «I find the Doomsday picture Al Gore is painting - a six - meter sea level rise, fifteen times the IPCC number - entirely without merit,» Tennekes wrote.

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.&raquIn 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.&raquin 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.»

Point two suggested an alternative between «This needs to be demonstrated either in the context of a more comprehensive scale analysis that includes the Navier Stokes equations» and «numerical model simulations using mesoscale or weather or climate models.»

Tennekes, is an scientific pioneer in the development of numerical weather prediction and former director of research at The Netherlands» Royal National Meteorological Institute, and an internationally recognized expert in atmospheric boundary layer processes.

The regional numerical weather prediction system is complementary to global systems operated in international cooperation.

This information is critical for numerical weather prediction models; both in data assimilation, and in creating re-analyses.

Previously, Kelly was a Postdoctoral Fellow and Research Associate at the University of Washington and the University of Victoria in British Columbia, Canada where she studied the role of the changing Arctic sea ice cover on global circulation, weather, and climate using a hierarchy of numerical global climate models.

In 1922, the British mathematician and physicist Lewis Fry Richardson published a more complete numerical system for weather prediction.

Calculations for numerical weather prediction were limited to what could be managed in a few hours by the rudimentary digital computers — banks of thousands of glowing vacuum tubes that frequently burned out, connected by spaghetti - tangles of wiring.

This issue has arisen on past threads and Jerry has been asked by me, and others, to quantify the «false» (or possibly parameterized) viscosity used in these weather models, so those familiar with numerical modeling can form an impression of whether or not the magnitude used is actually unphysical or just represents an approximation abhorrent to Jerry.

We use the rank histogram approach (AH10, Y12) which is often used in the field of numerical weather prediction (Jolliffe and Primo 2008, hereafter JP08).

It is worth noting that some high - resolution operational numerical weather prediction models have demonstrated reasonable ability in forecasting tropical cyclones.