Accession Number:

AD0776226

Title:

A Description of Linear and Nonlinear Computational Instability,

Descriptive Note:

Corporate Author:

ENVIRONMENTAL PREDICTION RESEARCH FACILITY (NAVY) MONTEREY CALIF

Personal Author(s):

• Haney,O.

Report Date:

1972-04-01

Pagination or Media Count:

13.0

Abstract:

A brief review and description of the problems of linear and nonlinear computational instability in numerical weather prediction models is presented. The phenomenon called aliasing error which misrepresents very short waves as long waves in a space grid is described. References to authoritative sources on the subject are provided. Author

Descriptors:

• *Weather forecasting
• Numerical integration
• Computations
• Linear systems
• Nonlinear systems
• Instability

Subject Categories:

• Meteorology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE