Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Stephen S. Weygandt"'
Autor:
Eric P. James, Curtis R. Alexander, David C. Dowell, Stephen S. Weygandt, Stanley G. Benjamin, Geoffrey S. Manikin, John M. Brown, Joseph B. Olson, Ming Hu, Tatiana G. Smirnova, Terra Ladwig, Jaymes S. Kenyon, David D. Turner
Publikováno v:
Weather and Forecasting. 37:1397-1417
The High-Resolution Rapid Refresh (HRRR) is a convection-allowing implementation of the Advanced Research version of the Weather Research and Forecast (WRF-ARW) Model that covers the conterminous United States and Alaska and runs hourly (for CONUS; e
Autor:
Stephen S. Weygandt, Stanley G. Benjamin, Ming Hu, Curtis R. Alexander, Tatiana G. Smirnova, Eric P. James
Publikováno v:
Weather and Forecasting. 37:1419-1434
A technique for model initialization using three-dimensional radar reflectivity data has been developed and applied within the NOAA 13-km Rapid Refresh (RAP) and 3-km High-Resolution Rapid Refresh (HRRR) regional forecast systems. This technique enab
Autor:
David C. Dowell, Curtis R. Alexander, Eric P. James, Stephen S. Weygandt, Stanley G. Benjamin, Geoffrey S. Manikin, Benjamin T. Blake, John M. Brown, Joseph B. Olson, Ming Hu, Tatiana G. Smirnova, Terra Ladwig, Jaymes S. Kenyon, Ravan Ahmadov, David D. Turner, Jeffrey D. Duda, Trevor I. Alcott
Publikováno v:
Weather and Forecasting. 37:1371-1395
The High-Resolution Rapid Refresh (HRRR) is a convection-allowing implementation of the Advanced Research version of the Weather Research and Forecasting (WRF-ARW) Model with hourly data assimilation that covers the conterminous United States and Ala
Autor:
Stanley G. Benjamin, Haidao Lin, Stephen S. Weygandt, Yujie Pan, Ming Hu, Kefeng Zhu, Ming Xue
Publikováno v:
Advances in Atmospheric Sciences. 36:1308-1326
A regional ensemble Kalman filter (EnKF) data assimilation (DA) and forecast system was recently established based on the Gridpoint Statistical Interpolation (GSI) analysis system. The EnKF DA system was tested with continuous three-hourly updated cy
Autor:
John M. Brown, Stanley G. Benjamin, Therese T. Ladwig, Patrick Minnis, Stephen S. Weygandt, David D. Turner, Ming Hu, Eric James, Curtis R. Alexander, William L. Smith, Andrew K. Heidinger
Publikováno v:
Monthly Weather Review.
Accurate cloud and precipitation forecasts are a fundamental component of short-range data assimilation/model prediction systems such as the NOAA 3-km High-Resolution Rapid Refresh (HRRR) or the 13-km Rapid Refresh (RAP). To reduce cloud and precipit
Autor:
Stephen S. Weygandt, Jeffrey S. Whitaker, David C. Dowell, Stanley G. Benjamin, Ming Hu, Therese T. Ladwig, Curtis R. Alexander
Publikováno v:
Monthly Weather Review. 145:4205-4225
The Rapid Refresh (RAP) is an hourly updated regional meteorological data assimilation/short-range model forecast system running operationally at NOAA/National Centers for Environmental Prediction (NCEP) using the community Gridpoint Statistical Inte
Publikováno v:
Weather and Forecasting. 32:1781-1800
This study describes the initial application of radiance bias correction and channel selection in the hourly updated Rapid Refresh model. For this initial application, data from the Atmospheric Infrared Sounder (AIRS) are used; this dataset gives atm
Publikováno v:
Weather and Forecasting. 32:1273-1287
Assimilation of satellite radiance data in limited-area, rapidly updating weather model/assimilation systems poses unique challenges compared to those for global model systems. Principal among these is the severe data restriction posed by the short d
Autor:
Curtis R. Alexander, Stephen S. Weygandt, John M. Brown, David C. Dowell, Eric James, Stanley G. Benjamin, Haidao Lin, Joseph B. Olson, Ming Hu, Georg Grell, William R. Moninger, Tatiana G. Smirnova, Jaymes S. Kenyon, Steven E. Peckham, Tracy Lorraine Smith, Geoffrey S. Manikin
Publikováno v:
Monthly Weather Review. 144:1669-1694
The Rapid Refresh (RAP), an hourly updated assimilation and model forecast system, replaced the Rapid Update Cycle (RUC) as an operational regional analysis and forecast system among the suite of models at the NOAA/National Centers for Environmental
Autor:
Ming Hu, Stephen S. Weygandt, Ming Xue, Xuguang Wang, Yujie Pan, Stanley G. Benjamin, Kefeng Zhu, Jeffrey S. Whitaker
Publikováno v:
Monthly Weather Review. 142:3756-3780
A coupled ensemble square root filter–three-dimensional ensemble-variational hybrid (EnSRF–En3DVar) data assimilation (DA) system is developed for the operational Rapid Refresh (RAP) forecasting system. The En3DVar hybrid system employs the exten