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Deduction of Vertical Motion in the Atmosphere from Aircraft Measurements
Publisher: American Meteorological Society
Abstract: Equations for deducing the vertical motion of air based on aircraft measurements are presented along with derivations. The equations are based on the aircraft equations of motion, but due to different assumptions, the ...
A Simulation of Alberta Cumulus
Publisher: American Meteorological Society
Abstract: A two-dimensional cloud model was used to simulate an Alberta, Canada, seeding experiment that was conducted on 24 July 1979, by the Alberta Research Council. The simulation reproduced some of the characteristics of the ...
Application of Direct Poisson Solvers to Time-Dependent Numerical Cloud Models
Publisher: American Meteorological Society
Abstract: Direct methods for solving the discrete Poisson equation on various types of regions are generally computationally faster than popular iterative techniques, but this depends somewhat on the initial solution provided the ...
The Use of a Two-Dimensional, Time-Dependent Cloud Model to Predict Convective and Stratiform Clouds and Precipitation
Publisher: American Meteorological Society
Abstract: A two-dimensional, time-dependent cloud model has been used in two field projects to forecast the convective development during the day from the morning sounding. In effect, the cloud model gives a dynamic analysis of the ...
Numerical Simulation of the Life History of a Hailstorm
Publisher: American Meteorological Society
Abstract: A two-dimensional, time-dependent cloud model has been used to simulate the evolution of hail cells and hailstorms. The model has been under development for several years tested on a few days of real data, and gives ...
Specification of the Scale and Magnitude of Thermals Used to Initiate Convection in Cloud Models
Publisher: American Meteorological Society
Abstract: Boundary layer similarity techniques are employed to specify the scale and intensity of a thermal perturbation used to initialize a cloud in a numerical cloud model. Techniques are outlined to specify the needed similarity ...
A Numerical Simulation of the 22 July 1979 HIPLEX-1 Case
Publisher: American Meteorological Society
Abstract: A HIPLEX- A cloud case has been used to describe the effects of ice-phase cloud seeding on a cold base cloud. The cast was used at the First International Cloud Modeling Workshop/Conference held in 1985 in Irsee, Federal ...
On the Computation of Gradients from Observations over Complex Terrain
Publisher: American Meteorological Society
Abstract: A mathematical scheme is developed to compute the gradients of observations taken over complex terrain. The method is applied to an artificial example to demonstrate the scheme. An application is made to surface pressure ...