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RISOn the Summertime Strengthening of the Northern Hemisphere Pacific Sea Level Pressure Anticyclone
Publisher: American Meteorological Society
Abstract: This study revisits the question posed by Hoskins on why the Northern Hemisphere Pacific sea level pressure (SLP) anticyclone is strongest and maximally extended in summer when the Hadley cell descent in the northern ...
Residual Diagnosis of Diabatic Heating from ERA-40 and NCEP Reanalyses: Intercomparisons with TRMM
Publisher: American Meteorological Society
Abstract: Diabatic heating is diagnosed from the 40-yr ECMWF Re-Analysis (ERA-40) circulation as a residue in the thermodynamic equation. The heating distribution is compared with the heating structure diagnosed from NCEP and 15-yr ...
A Diagnosis of the 1979–2005 Extreme Rainfall Events in the Southeastern United States with Isentropic Moisture Tracing
Publisher: American Meteorological Society
Abstract: A detailed analysis is performed to better understand the interannual and subseasonal variability of moisture sources of major recent dry (1980, 1990, and 2000) and wet (1994, 2003, and 2005) June?August (JJA) seasons in ...
Dynamic Downscaling of the North American Monsoon with the NCEP–Scripps Regional Spectral Model from the NCEP CFS Global Model
Publisher: American Meteorological Society
Abstract: The June?September (JJAS) 2000?07 NCEP coupled Climate Forecasting System (CFS) global hindcasts are downscaled over the North and South American continents with the NCEP?Scripps Regional Spectral Model (RSM) with anomaly ...
Consequences of Urban Stability Conditions for Computational Fluid Dynamics Simulations of Urban Dispersion
Publisher: American Meteorological Society
Abstract: The validity of omitting stability considerations when simulating transport and dispersion in the urban environment is explored using observations from the Joint Urban 2003 field experiment and computational fluid dynamics ...
Source Inversion for Contaminant Plume Dispersion in Urban Environments Using Building-Resolving Simulations
Publisher: American Meteorological Society
Abstract: The ability to determine the source of a contaminant plume in urban environments is crucial for emergency-response applications. Locating the source and determining its strength based on downwind concentration measurements, ...
A Validation of FEM3MP with Joint Urban 2003 Data
Publisher: American Meteorological Society
Abstract: Under the sponsorship of the U.S. Department of Energy and U.S. Department of Homeland Security, a computational fluid dynamics (CFD) model for simulating airflow and dispersion of chemical/biological agents released in ...
Flow around a Complex Building: Experimental and Large-Eddy Simulation Comparisons
Publisher: American Meteorological Society
Abstract: A field program to study atmospheric releases around a complex building was performed in the summers of 1999 and 2000. The focus of this paper is to compare field data with a large-eddy simulation (LES) code to assess the ...
Flow around a Complex Building: Comparisons between Experiments and a Reynolds-Averaged Navier–Stokes Approach
Publisher: American Meteorological Society
Abstract: An experiment investigating flow around a single complex building was performed in 2000. Sonic anemometers were placed around the building, and two-dimensional wind velocities were recorded. An energy-budget and wind-measuring ...
Evaluation of GEOS Precipitation Flagging for SMAP Soil Moisture Retrieval Accuracy
Publisher: American Meteorological Society