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RISThe Influence of Helicity on Numerically Simulated Convective Storms
Publisher: American Meteorological Society
Abstract: A three-dimensional numerical cloud model is used to investigate the influence of storm-relative environmental helicity (SREH) on convective storm structure and evolution, with a particular emphasis on the identification ...
Local Adjustment of the Background Error Correlation for Surface Analyses over Complex Terrain
Publisher: American Meteorological Society
Abstract: The terrain between grid points is used to modify locally the background error correlation matrix in an objective analysis system. This modification helps to reduce the influence across mountain barriers of corrections to ...
A Cloud Climatology of the Southern Great Plains ARM CART
Publisher: American Meteorological Society
Abstract: Cloud amount statistics from three different sources were processed and compared. Surface observations from a National Centers for Environmental Prediction dataset were used. The data (Edited Cloud Report; ECR) consist of ...
A Fetch-Based Statistical Method to Bias Correct and Downscale Wind Speed over Unresolved Water Bodies
Publisher: American Meteorological Society
Abstract: AbstractThis paper presents a method to bias correct and downscale wind speed over water bodies that are unresolved by numerical weather prediction (NWP) models and analyses. The dependency of wind speeds over water bodies ...
Statistically and Dynamically Downscaled, Calibrated, Probabilistic 10-m Wind Vector Forecasts Using Ensemble Model Output Statistics
Publisher: American Meteorological Society
Abstract: AbstractA computationally efficient method is developed that performs gridded postprocessing of ensemble 10-m wind vector forecasts. An expansive set of idealized WRF Model simulations are generated to provide physically ...
The Impact of High-Resolution Sea Surface Temperatures on the Simulated Nocturnal Florida Marine Boundary Layer
Publisher: American Meteorological Society
Abstract: High- and low-resolution sea surface temperature (SST) analysis products are used to initialize the Weather Research and Forecasting (WRF) Model for May 2004 for short-term forecasts over Florida and surrounding waters. ...
Evaluation of a Wind-Wave System for Ensemble Tropical Cyclone Wave Forecasting. Part I: Winds
Publisher: American Meteorological Society
Abstract: computationally efficient method of producing tropical cyclone (TC) wind analyses is developed and tested, using a hindcast methodology, for 12 Gulf of Mexico storms. The analyses are created by blending synthetic data, ...
Evaluation of the National Hurricane Center’s Tropical Cyclone Wind Speed Probability Forecast Product
Publisher: American Meteorological Society
Abstract: A tropical cyclone (TC) wind speed probability forecast product developed at the Cooperative Institute for Research in the Atmosphere (CIRA) and adopted by the National Hurricane Center (NHC) is evaluated for U.S. ...
Probability Distributions and Threshold Selection for Monte Carlo–Type Tropical Cyclone Wind Speed Forecasts
Publisher: American Meteorological Society
Abstract: robabilistic wind speed forecasts for tropical cyclones from Monte Carlo?type simulations are assessed within a theoretical framework for a simple unbiased Gaussian system that is based on feature size and location error ...
Near-Real-Time Applications of a Mesoscale Analysis System to Complex Terrain
Publisher: American Meteorological Society
Abstract: Several mesoscale data analysis systems are reviewed, of which one is then adapted and applied to the complex terrain of northwest Utah and the western United States. The analysis system relies on the simple, but computationally ...