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RISRole of Topography in Forcing Low-Level Jets in the Central United States during the 1993 Flood-Altered Terrain Simulations
Publisher: American Meteorological Society
Abstract: Regional model sensitivity simulations in which the height of elevated terrain was reduced to explore simulated changes in features of the low-level jet (LLJ) are presented. Such an approach has not been reported, and it ...
On the Effect of Relative Timing of Diurnal and Large-Scale Forcing on Summer Extreme Rainfall Characteristics over the Central United States
Publisher: American Meteorological Society
Abstract: Impacts of diurnal radiative forcing on flow and rainfall patterns during summer flood and drought conditions (1993 and 1988, respectively) in the central United States were investigated using a regional climate model. The ...
On the Potential Change in Surface Water Vapor Deposition over the Continental United States due to Increases in Atmospheric Greenhouse Gases
Publisher: American Meteorological Society
Abstract: Characteristics of surface water vapor deposition (WVD) over the continental United States under the present climate and a future climate scenario reflecting the mid-twenty-first-century increased greenhouse gas concentrations ...
Modulating Effects of Planetary Wave 3 on a Stratospheric Sudden Warming Event in 2005
Publisher: American Meteorological Society
Abstract: he Eliassen?Palm flux (EPF) and Plumb?s wave activity flux (WAF) were computed, using ERA-Interim data, to analyze the influence of planetary wave 3 on a stratospheric sudden warming event from 17 February to 15 March 2005 ...
Modeling Soybean Rust Spore Escape from Infected Canopies: Model Description and Preliminary Results
Publisher: American Meteorological Society
Abstract: Asian soybean rust, caused by Phakopsora pachyrhizi, an airborne fungal pathogen, is an annual threat to U.S. soybean production. The disease is spread during the growing season by fungal spores that are transported from ...
Effects of Aerosol Solubility and Regeneration on Warm-Phase Orographic Clouds and Precipitation Simulated by a Detailed Bin Microphysical Scheme
Publisher: American Meteorological Society
Abstract: This study evaluates the possible impact of aerosol solubility and regeneration on warm-phase orographic clouds and precipitation. The sensitivity evaluation is performed by simulating cloud formation over two identical ...
Intermodel Variability and Mechanism Attribution of Central and Southeastern U.S. Anomalous Cooling in the Twentieth Century as Simulated by CMIP5 Models
Publisher: American Meteorological Society
Abstract: ome parts of the United States, especially the southeastern and central portion, cooled by up to 2°C during the twentieth century, while the global mean temperature rose by 0.6°C (0.76°C from 1901 to 2006). Studies have ...
Comparative Experiments with MAPS on Different Parameterization Schemes for Surface Moisture Flux and Boundary-Layer Processes
Publisher: American Meteorological Society
Abstract: This study compares several formulations parameterizing the surface moisture flux and boundary-layer processes using the ?-σ hybrid-b model of the Mesoscale Analysis and Prediction System (MAPS) within both 1D and 3D ...
Influences of Model Parameterization Schemes on the Response of Rainfall to Soil Moisture in the Central United States
Publisher: American Meteorological Society
Abstract: The sensitivities of soil moisture impacts on summer rainfall in the central United States to different commonly used cumulus parameterization and surface flux schemes are examined using the PSU-NCAR MMS under different ...
Long Simulation of Regional Climate as a Sequence of Short Segments
Publisher: American Meteorological Society
Abstract: Regional climate simulations are long time integrations over an open system where the atmosphere over part of the model domain (boundary zones) is updated periodically. Model reinitialization after a long period of integration ...