نتایج جستجو برای: nwp

تعداد نتایج: 938  

2009
Victor M. Zavala Emil M. Constantinescu Mihai Anitescu

We analyze the impacts of adopting advanced weather forecasting systems at different levels of the decision-making hierarchy of the power grid. Using case studies, we show that state-of-the-art numerical weather prediction (NWP) models can provide high-precision forecasts and uncertainty information that can significantly enhance the performance of planning, scheduling, energy management, and f...

2003
Z. N. Kogan Y. L. Kogan

Continental low stratiform clouds cover the sky about 23% of the time during the fall, winter, and spring months and play a significant role in the Earth’ radiation budget. Information about cloud structure and variability is crucial in determining areal averages of cloud radiative and microphysical properties such as over numerical weather prediction (NWP) or Global Climate Model grid cells. N...

2013
David B. Mechem

Accurate predictions of cloud and precipitation processes in the marine boundary layer are critical to U.S. Navy operations, as well as being more broadly important to improving seasonable predictability and the performance of NWP models. The major goal of the project is to develop and test state-of-theart boundary layer and microphysical parameterizations in order to better represent the conti...

2008
K. W. Hoppel N. L. Baker L. Coy S. D. Eckermann J. P. McCormack D. E. Siskind

Assimilation of stratospheric and mesospheric temperatures from MLS and SABER into a global NWP model K. W. Hoppel, N. L. Baker, L. Coy, S. D. Eckermann, J. P. McCormack, G. E. Nedoluha, and D. E. Siskind Naval Research Laboratory, Washington, WA, USA Naval Research Laboratory, Monterey, CA, USA Received: 17 March 2008 – Accepted: 7 April 2008 – Published: 7 May 2008 Correspondence to: K. Hoppe...

2006
J. P. McCormack S. D. Eckermann D. E. Siskind T. J. McGee

CHEM2D-OPP: A new linearized gas-phase ozone photochemistry parameterization for high-altitude NWP and climate models J. P. McCormack, S. D. Eckermann, D. E. Siskind, and T. J. McGee E. O. Hulburt Center for Space Research, Naval Research Laboratory (NRL), Washington DC, USA NASA Goddard Space Flight Center (GSFC), Greenbelt, Maryland, USA Received: 6 June 2006 – Accepted: 8 June 2006 – Publish...

Simplifications used in regional climate models decrease the accuracy of the regional climate models. To overcome this deficiency, usually a statistical technique of MOS is used to improve the skill of gridded outputs of the Numerical Weather Prediction (NWP) models. In this paper, an experimental synoptic-climatology based method has been used to calibrate, and decrease amount of errors in GFS...

Journal: :Quarterly Journal of the Royal Meteorological Society 2011

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