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RISA Variational Technique for Mesoscale Objective Analysis of Air Pollution
Publisher: American Meteorological Society
Abstract: A technique for the objective analysis of air pollution based on the calculus of variations is described. Rather than find a system of diffusion coefficients which best fit a source inventory and receptor sampling, a series ...
Evaluation of the Bridger Range Winter Cloud Seeding Experiment Using Control Gages
Publisher: American Meteorological Society
Abstract: A randomized exploratory single-area cloud seeding experiment was carried out in the Bridger Range of southwestern Montana during the winters of 1969?72. Seeding was accomplished using ground-based silver iodide (AgI) ...
Microphysical Effects of Wintertime Cloud Seeding with Silver Iodide over the Rocky Mountains. Part II: Observations over the Bridger Range, Montana
Publisher: American Meteorological Society
Abstract: During January 1985 six aircraft sampling flights were made in cloud over the target area of an earlier randomized exploratory cloud seeding experiment in the Bridger Range, Montana. One of the two diver iodide (AgI) ...
The Use of Limited Surface Networks to Measure Mesoscale Phenomena
Publisher: American Meteorological Society
Abstract: Large mesonetworks have successfully demonstrated coupling of surface meteorological phenomena to convective activity. It is unrealistic however, to assume that such networks will be available for wide-area operational ...
Raingage Network Requirements from a Simulated Convective Complex Weather Modification Experiment
Publisher: American Meteorological Society
Abstract: A convective complex weather modification experiment was simulated using Monte Carlo techniques. The purpose was to estimate the optimum raingage density for evaluation of a possible future experiment. The data base consisted ...
Simulating the Influence of Type II Error on the Outcome of Past Statistical Experiments
Publisher: American Meteorological Society
Abstract: Simulations of randomized winter orographic weather modification experiments were used to explore a possible cause of the many inconclusive results from previous statistical experiments. There is increasing evidence that ...
Field Observations of the Persistence of AgI-NH4I-Acetone Ice Nuclei in Daylight
Publisher: American Meteorological Society
Abstract: A field method of estimating the persistence of a commonly used silver iodide seeding agent is described. The method involved measurement of the AgI plume structure at two downwind distances from the ground generator(s). ...
Microphysical Effects of Wintertime Cloud Seeding with Silver Iodide over the Rocky Mountains. Part I: Experimental Design and Instrumentation
Publisher: American Meteorological Society
Abstract: A series of winter orographic cloud seeding experiments is described in which the seeding agent and associated changes in cloud microphysics are monitored to within 300 m of the target areas (Montana and Colorado), and at ...
The Dispersion of Silver Iodide Particles from Ground-Based Generators over Complex Terrain. Part I: Observations with Acoustic Ice Nucleus Counters
Publisher: American Meteorological Society
Abstract: art I of this paper presents the results from a series of plume-tracing flights over the Medicine Bow and Sierra Madre Ranges in south-central Wyoming. These flights, conducted during February and early March of 2011, were ...