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RISThe Sensitivity of a Simulated Extratropical Mesoscale Convective System to Longwave Radiation and Ice-Phase Microphysics
Publisher: American Meteorological Society
Abstract: A two-dimensional, nonhydrostatic version of the Colorado State University Regional Atmospheric Modeling System (RAMS) was applied to the simulation of a midlatitude, continental mesoscale convective system. A control ...
Evaluation of Heavy Precipitation Forecasts Using Composite-Based Methods: A Distributions-Oriented Approach
Publisher: American Meteorological Society
Abstract: Numerical forecasts of heavy warm-season precipitation events are verified using simple composite collection techniques. Various sampling methods and statistical measures are employed to evaluate the general characteristics ...
A Numerical Study of the Low-Level Jet during TAMEX IOP 5
Publisher: American Meteorological Society
Abstract: The Pennsylvania State University?National Center for Atmospheric Research Mesoscale Model Version 4 is used to simulate the cyclogenesis and the development of a low-level jet (LLJ) that occurred during the Taiwan Area ...
Circulations Associated with a Mature-to-Decaying Midlatitude Mesoscale Convective System. Part I: Surface Features—Heat Bursts and Mesolow Development
Publisher: American Meteorological Society
Abstract: This study examines surface features associated with a mature-to-dissipating midlatitude mesoscale convective system that occurred on 23?24 June 1985 during the Oklahoma-Kansas Preliminary Regional Experiment for STORM-Central. ...
Surface Wind and Upper-Ocean Variability Associated with the Madden–Julian Oscillation Simulated by the Coupled Ocean–Atmosphere Mesoscale Prediction System (COAMPS)
Publisher: American Meteorological Society
Abstract: imulation of surface wind and upper-ocean variability associated with the Madden?Julian oscillation (MJO) by a regional coupled model, the Coupled Ocean?Atmosphere Mesoscale Prediction System (COAMPS), is evaluated by the ...
Effect of Two-Way Air–Sea Coupling in High and Low Wind Speed Regimes
Publisher: American Meteorological Society
Abstract: A recent advance in the Coupled Ocean?Atmosphere Mesoscale Prediction System (COAMPS) is described and used to study two-way air?sea coupling and its impact on two different weather scenarios. The first case examines the ...
Real-Time Upper-Ocean Temperature Observations from Aircraft during Operational Hurricane Reconnaissance Missions: AXBT Demonstration Project Year One Results
Publisher: American Meteorological Society
Abstract: housands of aircraft observations of upper-ocean thermal structures have been obtained during hurricane and typhoon research field experiments in recent decades. The results from these experiments suggest a strong correlation ...
Regional Ensemble Forecasts Using the Ensemble Transform Technique
Publisher: American Meteorological Society
Abstract: A computationally inexpensive ensemble transform (ET) method for generating high-resolution initial perturbations for regional ensemble forecasts is introduced. The method provides initial perturbations that (i) have an ...
A Study of CINDY/DYNAMO MJO Suppressed Phase
Publisher: American Meteorological Society
Abstract: he diurnal variability and the environmental conditions that support the moisture resurgence of MJO events observed during the Cooperative Indian Ocean Experiment on Intraseasonal Variability (CINDY)/DYNAMO campaign in ...