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RISStructure of the Cold Front Observed in SESAME-AVE III and its Comparison with the Hoskins-Bretherton Frontogenesis Model
Publisher: American Meteorological Society
Abstract: A cold front which passed through the dense network of the SESAME-AVE (Severe Environmental Storms and Mesoscale Experiment?Atmospheric Variability Experiment) on 25?26 April 1979 was investigated. Rawinsonde data collected ...
Estimation of Large-Scale Vertical Motion over the Central United States for Summer
Publisher: American Meteorological Society
Abstract: We investigate the method-dependence of large-scale vertical motion (LSVM) estimates given by four variants of the kinematic approach (Endlich-Clark triangle; Chien-Smith pentagon; Objective analysis; Kung optimization) ...
Arctic Cloud Fraction and Radiative Fluxes in Atmospheric Reanalyses
Publisher: American Meteorological Society
Abstract: Arctic radiative fluxes, cloud fraction, and cloud radiative forcing are evaluated from four currently available reanalysis models using data from the North Slope of Alaska (NSA) Barrow site of the Atmospheric Radiation ...
Arctic Precipitation and Evaporation: Model Results and Observational Estimates
Publisher: American Meteorological Society
Abstract: Observational estimates of precipitation and evaporation over the Arctic Ocean and its terrestrial watersheds are compared with corresponding values from the climate model simulations of the Atmospheric Model Intercomparison ...
Heat and Freshwater Budgets of the Caribbean Sea with Revised Estimates for the Central American Seas
Publisher: American Meteorological Society
Abstract: Monthly multi-annual mean heat budgets are calculated for the Caribbean Sea; previous results from the Gulf of Mexico are included to portray fields for the combined Central American seas. Oceanic heat storage rates (QT) ...
Investigation of the Large-Scale Atmospheric Moisture Field over the Midwestern United States in Relation to Summer Precipitation. Part II: Recycling of Local Evapotranspiration and Association with Soil Moisture and Crop Yields
Publisher: American Meteorological Society
Abstract: The relative contributions of locally evapotranspired (i.e., recycled) moisture versus externally advected water vapor for the growing-season precipitation of the U.S. Corn Belt and surrounding areas (1.23 ? 106 km2) are ...
Investigation of Large-Scale Atmospheric Moisture Budget and Land Surface Interactions over U.S. Southern Great Plains including for CLASIC (June 2007)
Publisher: American Meteorological Society
Abstract: he atmospheric moisture budget and surface interactions for the southern Great Plains are evaluated for contrasting May?June periods (1998, 2002, 2006, and 2007) as background for the Cloud and Land Surface Interaction ...
Investigation of the Large-Scale Atmospheric Moisture Field over the Midwestern United States in relation to Summer Precipitation. Part I: Relationships between Moisture Budget Components on Different Timescales
Publisher: American Meteorological Society
Abstract: Atmospheric moisture budget components are evaluated for a large area (1.23 ? 106 km2) in the midwestern United States for all 12-h (1200?0000, 0000?1200 UTC) and 24-h (1200?1200 UTC) periods during the contrasting summers ...
Low-Frequency Variability and Evolution of North American Cold Air Outbreaks
Publisher: American Meteorological Society
Abstract: Hourly data from 17 relatively evenly distributed stations east of the Rocky Mountains during 54 winter seasons (1948/49 through 2001/02) are used to evaluate the low-frequency variability of extreme cold air outbreaks ...