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Now showing items 1-9 of 9

A Study of Nocturnal Surface Wind Speed Overprediction by the WRF-ARW Model in Southeastern Texas

Source: Journal of Applied Meteorology and Climatology:;2013:;volume( 052 ):;issue: 012:;page 2638

Author(s): Ngan, Fong; Kim, Hyuncheol; Lee, Pius; Al-Wali, Khalid; Dornblaser, Bright

Publisher: American Meteorological Society

Abstract: he overprediction of surface wind speed during nighttime by the Advanced Research core of the Weather Research and Forecasting (WRF-ARW) model was investigated for a period of the Second Texas Air Quality Study (28 May?3 ...

Impact of Domain Size on Modeled Ozone Forecast for the Northeastern United States

Source: Journal of Applied Meteorology and Climatology:;2008:;volume( 047 ):;issue: 002:;page 443

Author(s): Lee, Pius; Kang, Daiwen; McQueen, Jeff; Tsidulko, Marina; Hart, Mary; DiMego, Geoff; Seaman, Nelson; Davidson, Paula

Publisher: American Meteorological Society

Abstract: This study investigates the impact of model domain extent and the specification of lateral boundary conditions on the forecast quality of air pollution constituents in a specific region of interest. A developmental version ...

Evaluation of the Operational Multiscale Environment Model with Grid Adaptivity against the European Tracer Experiment

Source: Journal of Applied Meteorology:;2001:;volume( 040 ):;issue: 009:;page 1541

Author(s): Boybeyi, Zafer; Ahmad, Nash'at N.; Bacon, David P.; Dunn, Thomas J.; Hall, Mary S.; Lee, Pius C. S.; Sarma, R. Ananthakrishna; Wait, Tim R.

Publisher: American Meteorological Society

Abstract: The Operational Multiscale Environment Model with Grid Adaptivity (OMEGA) is a multiscale nonhydrostatic atmospheric simulation system based on an adaptive unstructured grid. The basic philosophy behind the OMEGA development ...

An Operational Multiscale Hurricane Forecasting System

Source: Monthly Weather Review:;2002:;volume( 130 ):;issue: 007:;page 1830

Author(s): Gopalakrishnan, S. G.; Bacon, David P.; Ahmad, Nash'at N.; Boybeyi, Zafer; Dunn, Thomas J.; Hall, Mary S.; Jin, Yi; Lee, Pius C. S.; Mays, Douglas E.; Madala, Rangarao V.; Sarma, Ananthakrishna; Turner, Mark D.; Wait, Timothy R.

Publisher: American Meteorological Society

Abstract: The Operational Multiscale Environment model with Grid Adaptivity (OMEGA) is an atmospheric simulation system that links the latest methods in computational fluid dynamics and high-resolution gridding technologies with ...

NAQFC Developmental Forecast Guidance for Fine Particulate Matter (PM2.5)

Source: Weather and Forecasting:;2016:;volume( 032 ):;issue: 001:;page 343

Author(s): Lee, Pius; McQueen, Jeffery; Stajner, Ivanka; Huang, Jianping; Pan, Li; Tong, Daniel; Kim, Hyuncheol; Tang, Youhua; Kondragunta, Shobha; Ruminski, Mark; Lu, Sarah; Rogers, Eric; Saylor, Rick; Shafran, Perry; Huang, Ho-Chun; Gorline, Jerry; Upadhayay, Sikchya; Artz, Richard

Publisher: American Meteorological Society

Abstract: he National Air Quality Forecasting Capability (NAQFC) upgraded its modeling system that provides developmental numerical predictions of particulate matter smaller than 2.5 ?m in diameter (PM2.5) in January 2015. The ...

Improving NOAA NAQFC PM2.5 Predictions with a Bias Correction Approach

Source: Weather and Forecasting:;2016:;volume( 032 ):;issue: 002:;page 407

Author(s): Huang, Jianping; McQueen, Jeffery; Wilczak, James; Djalalova, Irina; Stajner, Ivanka; Shafran, Perry; Allured, Dave; Lee, Pius; Pan, Li; Tong, Daniel; Huang, Ho-Chun; DiMego, Geoffrey; Upadhayay, Sikchya; Delle Monache, Luca

Publisher: American Meteorological Society

Abstract: articulate matter with an aerodynamic diameter less than or equal to 2.5 ?m (PM2.5) is a critical air pollutant with important impacts on human health. It is essential to provide accurate air quality forecasts to alert ...

A Dynamically Adapting Weather and Dispersion Model: The Operational Multiscale Environment Model with Grid Adaptivity (OMEGA)

Source: Monthly Weather Review:;2000:;volume( 128 ):;issue: 007:;page 2044

Author(s): Bacon, David P.; Ahmad, Nash’at N.; Boybeyi, Zafer; Dunn, Thomas J.; Hall, Mary S.; Lee, Pius C. S.; Sarma, R. Ananthakrishna; Turner, Mark D.; Waight, Kenneth T.; Young, Steve H.; Zack, John W.

Publisher: American Meteorological Society

Abstract: The Operational Multiscale Environment Model with Grid Adaptivity (OMEGA) and its embedded Atmospheric Dispersion Model is a new atmospheric simulation system for real-time hazard prediction, conceived out of a need to ...

Linking the Eta Model with the Community Multiscale Air Quality (CMAQ) Modeling System to Build a National Air Quality Forecasting System

Source: Weather and Forecasting:;2005:;volume( 020 ):;issue: 003:;page 367

Author(s): Otte, Tanya L.; Pouliot, George; Pleim, Jonathan E.; Young, Jeffrey O.; Schere, Kenneth L.; Wong, David C.; Lee, Pius C. S.; Tsidulko, Marina; McQueen, Jeffery T.; Davidson, Paula; Mathur, Rohit; Chuang, Hui-Ya; DiMego, Geoff; Seaman, Nelson L.

Publisher: American Meteorological Society

Abstract: NOAA and the U.S. Environmental Protection Agency (EPA) have developed a national air quality forecasting (AQF) system that is based on numerical models for meteorology, emissions, and chemistry. The AQF system generates ...

Examination of the Physical Atmosphere in the Great Lakes Region and Its Potential Impact on Air Quality—Overwater Stability and Satellite Assimilation

Source: Journal of Applied Meteorology and Climatology:;2018:;volume 057:;issue 012:;page 2789

Author(s): McNider, Richard T.; Pour-Biazar, Arastoo; Doty, Kevin; White, Andrew; Wu, Yuling; Qin, Momei; Hu, Yongtao; Odman, Talat; Cleary, Patricia; Knipping, Eladio; Dornblaser, Bright; Lee, Pius; Hain, Christopher; McKeen, Stuart

Publisher: American Meteorological Society

Abstract: AbstractHigh mixing ratios of ozone along the shores of Lake Michigan have been a recurring theme over the last 40 years. Models continue to have difficulty in replicating ozone behavior in the region. Although emissions ...