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RISEvolution of Environmental Conditions Preceding the Development of a Nocturnal Mesoscale Convective Complex
Publisher: American Meteorological Society
Abstract: A large nocturnal mesoscale convective complex (MCC) developed on 4 June 1985 during the Oklaboma-Kansas Preliminary Regional Experiment for STORM-Central (PRE-STORM) field phase. It occurred near the climatological center ...
Updraft Dynamics within a Numerically Simulated Subtropical Rainband
Publisher: American Meteorological Society
Abstract: In this study a three-dimensional numerical cloud model is used to examine the early evolution of deep convective rainbands that occur in an environment of weak to moderate buoyancy and directionally varying lower-tropospheric ...
Cloud-Resolving Simulations of Mesoscale Vortex Intensification and Its Effect on a Serial Mesoscale Convective System
Publisher: American Meteorological Society
Abstract: The authors performed numerical simulations of the 27?28 May 1998 mesoscale convective vortex (MCV) and mesoscale convective system (MCS) to understand how the MCV modulated the convection, and how the convection intensified ...
Mechanisms Influencing Cirrus Banding and Aviation Turbulence near a Convectively Enhanced Upper-Level Jet Stream
Publisher: American Meteorological Society
Abstract: echanisms supporting a cold-season aviation turbulence outbreak over the northwest Atlantic Ocean and adjacent coastal regions of North America are investigated using high-resolution numerical simulations. Two distinct ...
Influence of Balanced Motions on Heavy Precipitation within a Long-Lived Convectively Generated Vortex
Publisher: American Meteorological Society
Abstract: The forcing of heavy precipitation within a long-lived convectively generated mesoscale vortex (MCV) is investigated with the aid of diagnoses from Rapid Update Cycle gridded analyses. Organized convection within the MCV ...
Mesoscale Convective Vortices Observed during BAMEX. Part II: Influences on Secondary Deep Convection
Publisher: American Meteorological Society
Abstract: Observations from the Bow Echo and Mesoscale Convective Vortex (MCV) Experiment are used to examine the role of the five mesoscale convective vortices described in Part I on heavy precipitation during the daytime heating ...
Mesoscale Convective Vortices Observed during BAMEX. Part I: Kinematic and Thermodynamic Structure
Publisher: American Meteorological Society
Abstract: Five cases of mesoscale convective vortices (MCVs) are described from observations collected during the Bow Echo and MCV Experiment (BAMEX) over the central United States during the period from 20 May to 6 July 2003. In ...
Convection-Permitting Simulations of the Environment Supporting Widespread Turbulence within the Upper-Level Outflow of a Mesoscale Convective System
Publisher: American Meteorological Society
Abstract: Widespread moderate turbulence was recorded on three specially equipped commercial airline flights over northern Kansas near the northern edge of the extensive cirrus anvil of a nocturnal mesoscale convective system (MCS) ...
Trapped Gravity Waves and Their Association with Turbulence in a Large Thunderstorm Anvil during PECAN
Publisher: American Meteorological Society
Abstract: AbstractGeostationary Operational Environmental Satellite-14 (GOES-14) 1-km visible satellite data with 1-min frequency revealed horizontally propagating internal gravity waves emanating from tropopause-penetrating deep ...
Structure and Evolution of the 22 February 1993 TOGA COARE Squall Line: Aircraft Observations of Precipitation, Circulation, and Surface Energy Fluxes
Publisher: American Meteorological Society
Abstract: This study documents the precipitation and kinematic structure of a mature, eastward propagating, oceanic squall line system observed by instrumented aircraft during the Tropical Ocean Global Atmosphere Coupled Ocean?Atmosphere ...