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RISA Simulation and Diagnostic Study of Water Vapor Image Dry Bands
Publisher: American Meteorological Society
Abstract: A Limited Area Mesoscale Prediction System (LAMPS) model simulation and special 3-hour radiosonde dataset are used to investigate warm (dry) bands in 6,7 ?m water vapor satellite imagery on 6?7 March 1982. The purpose is ...
Seasonal, Regional, and Storm-Scale Variability of Cloud-to-Ground Lightning Characteristics in Florida
Publisher: American Meteorological Society
Abstract: easonal, regional, and storm-scale variations of cloud-to-ground (CG) lightning characteristics in Florida are presented. Strong positive CG (+CG) and negative CG (?CG) flashes (i.e., having large peak current) are emphasized ...
Diagnosis of Vertical Motion from VAS Retrievals
Publisher: American Meteorological Society
Abstract: Satellite-derived temperature profiles are used to determine if reliable estimates of synoptic-scale vertical motion can be obtained from the adiabatic, vorticity, and omega equation techniques. The period of study contains ...
Time Trends of VAS Satellite-derived Soundings
Publisher: American Meteorological Society
Abstract: Time tendencies of operationally prepared Visible-Infrared Spin Scan Radiometer (VISSR) Atmospheric Sounder (VAS) retrievals and derived products are evaluated by comparing them against corresponding tendencies from ...
An Investigation of Convection behind the Cape Canaveral Sea-Breeze Front
Publisher: American Meteorological Society
Abstract: A three-dimensional numerical simulation of land?water circulations near Cape Canaveral, Florida, is performed using the Advanced Regional Prediction System. The role of Kelvin?Helmholtz instability (KHI) in determining ...
A Perfect Prognosis Scheme for Forecasting Warm-Season Lightning over Florida
Publisher: American Meteorological Society
Abstract: This study develops and evaluates a statistical scheme for forecasting warm-season lightning over Florida. Four warm seasons of analysis data from the Rapid Update Cycle (RUC) and lightning data from the National Lightning ...
An Assessment of VAS-Derived Retrievals and Parameters Used in Thunderstorm Forecasting
Publisher: American Meteorological Society
Abstract: Operational VAS satellite retrievals and derived parameters used in forecasting severe local storms were evaluated against corresponding radiosonde values. VAS products also were compared with the first-guess input to the ...
Pre- and Postupgrade Distributions of NLDN Reported Cloud-to-Ground Lightning Characteristics in the Contiguous United States
Publisher: American Meteorological Society
Abstract: The National Lightning Detection Network (NLDN) underwent a major upgrade during 2002?03 that increased its sensitivity and improved its performance. It is important to examine cloud-to-ground (CG) lightning distributions ...
An Analysis of Mesoscale VAS Retrievals Using Statistical Structure Functions
Publisher: American Meteorological Society
Abstract: Statistical structure functions are used to evaluate sounding data from the 6?7 March day of the 1982 AVE/VAS Ground Truth Field Experiment. Functional analyses are performed for five observation times starting at 1200 GMT ...
A Kinetic Energy Analysis of the Meso β-Scale Severe Storm Environment
Publisher: American Meteorological Society
Abstract: An area of intense thunderstorms occurred within the special rawinsonde network collecting data on 20?21 May 1979, the fifth day of the Atmospheric Variability Experiment-Severe Environmental Storms and Mesoscale Experiment ...