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RISMesoscale Structural Evolution of Three Tropical Weather Systems Observed during PREDICT
Publisher: American Meteorological Society
Abstract: hree well-observed Atlantic tropical weather systems that occurred during the 2010 hurricane season are analyzed. One case was former Tropical Storm Gaston that failed to redevelop into a tropical cyclone; the other two ...
Thermodynamic Environments of Deep Convection in Atlantic Tropical Disturbances
Publisher: American Meteorological Society
Abstract: onditional composites of dropsondes deployed into eight tropical Atlantic weather systems during 2010 are analyzed. The samples are conditioned based on cloud-top temperature within 10 km of the dropsonde, the radius from ...
Convective Episodes in the East-Central United States
Publisher: American Meteorological Society
Abstract: Nine years of composited radar data are investigated to assess the presence of organized convective episodes in the east-central United States. In the eastern United States, the afternoon maximum in thunderstorms is ...
Using Temporal Modes of Rainfall to Evaluate the Performance of a Numerical Weather Prediction Model
Publisher: American Meteorological Society
Abstract: The authors demonstrate that much can be learned about the performance of a numerical weather prediction (NWP) model by examining the temporal modes of its simulated rainfall. Observations from the Weather Surveillance ...
Detection and Prediction of Warm Season Midtropospheric Vortices by the Rapid Update Cycle
Publisher: American Meteorological Society
Abstract: The authors perform a statistical and dynamical analysis of midtropospheric mesoscale vortices captured by analyses from the Rapid Update Cycle, version 2 (RUC-2), during the period 1 May to 31 August 1999. A total of 203 ...
Numerical Simulations of the Postsunrise Reorganization of a Nocturnal Mesoscale Convective System during 13 June IHOP_2002
Publisher: American Meteorological Society
Abstract: convection-permitting numerical model is used to simulate the postsunrise reorganization of a nocturnal mesoscale convective system (MCS) observed over western and central Oklahoma on 13 June 2002 during the International ...
Mesoscale Vertical Motions near Nocturnal Convection Initiation in PECAN
Publisher: American Meteorological Society
Abstract: adiosonde measurements from the Plains Elevated Convection at Night (PECAN) 2015 field campaign are used to diagnose mesoscale vertical motions near nocturnal convection initiation (CI). These CI events occur in distinctly ...
Correcting Propagation Effects in C-Band Polarimetric Radar Observations of Tropical Convection Using Differential Propagation Phase
Publisher: American Meteorological Society
Abstract: A propagation correction algorithm utilizing the differential propagation phase (?dp) was developed and tested on C-band polarimetric radar observations of tropical convection obtained during the Maritime Continent ...
Use of the Parcel Buoyancy Minimum (Bmin) to Diagnose Simulated Thermodynamic Destabilization. Part I: Methodology and Case Studies of MCS Initiation Environments
Publisher: American Meteorological Society
Abstract: method based on parcel theory is developed to quantify mesoscale physical processes responsible for the removal of inhibition energy for convection initiation (CI). Convection-permitting simulations of three mesoscale ...
Use of the Parcel Buoyancy Minimum (Bmin) to Diagnose Simulated Thermodynamic Destabilization. Part II: Composite Analysis of Mature MCS Environments
Publisher: American Meteorological Society
Abstract: erein, the parcel buoyancy minimum (Bmin) defined in Part I of this two-part paper is used to examine physical processes influencing thermodynamic destabilization in environments of mature simulated mesoscale convective ...