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RISGlobal Circuit Response to Seasonal Variations in Global Surface Air Temperature
Publisher: American Meteorological Society
Abstract: Comparisons are made between the seasonal behavior of the global electrical circuit and the surface air temperature for the Tropics and for the globe. Positive correlations between global circuit parameters and temperature ...
Quasi-Lagrangian Measurements in Convective Boundary Layer Plumes and Their Implications for the Calculation of CAPE
Publisher: American Meteorological Society
Abstract: Measurements were made to determine the level of origin of air parcels participating in natural convection. Lagrangian measurements of conservative variables are ideal for this purpose. A simple remotely piloted vehicle ...
Meteorological and Electrical Conditions Associated with Positive Cloud-to-Ground Lightning
Publisher: American Meteorological Society
Abstract: Meteorological and electrical conditions associated with the occurrence of positive cloud-to-ground (CG) lightning (i.e., lightning that lowers positive charge to ground) are examined. Results from case studies in winter ...
The Down Upper Doppler and Electricity Experiment (DUNDEE): Overview and Preliminary Results
Publisher: American Meteorological Society
Abstract: DUNDEE (Down Under Doppler and Electricity Experiment) is described. DUNDEE was carded out in the vicinity of Darwin, Northern Territory, Australia, during the wet seasons of November 1988 through February 1989, and November ...
Diurnal Variations of Global Thunderstorms and Electrified Shower Clouds and Their Contribution to the Global Electrical Circuit
Publisher: American Meteorological Society
Abstract: The long-standing mainstay of support for C. T. R. Wilson?s global circuit hypothesis is the similarity between the diurnal variation of thunderstorm days in universal time and the Carnegie curve of electrical potential ...
Use of Weather Radar for Flood Forecasting in the Sieve River Basin: A Sensitivity Analysis
Publisher: American Meteorological Society
Abstract: Weather radar, in combination with a distributed rainfall-runoff model, promises to significantly improve real-time flood forecasting. This paper investigates the value of radar-derived precipitation in forecasting streamflow ...
A Radar Study of the Plasma and Geometry of Lightning
Publisher: American Meteorological Society
Abstract: Radar measurements and model studies are combined to investigate the plasma condition and the physical structure of lightning in thunderclouds. The lightning radar target is inferred to be an arclike plasma whose temperature ...
Variability of CONUS Lightning in 2003–12 and Associated Impacts
Publisher: American Meteorological Society
Abstract: hanges in lightning characteristics over the conterminous United States (CONUS) are examined to support the National Climate Assessment (NCA) program. Details of the variability of cloud-to-ground (CG) lightning characteristics ...
The Identification and Verification of Hazardous Convective Cells over Oceans Using Visible and Infrared Satellite Observations
Publisher: American Meteorological Society
Abstract: Three algorithms based on geostationary visible and infrared (IR) observations are used to identify convective cells that do (or may) present a hazard to aviation over the oceans. The performance of these algorithms in ...