AN ANALYSIS OF NUMERICAL CLOUD FORECASTS. A STATISTICAL ANALYSIS OF TOTAL CLOUD COVER FORECASTS PRODUCED BY TWO AIR WEATHER SERVICE NUMERICAL PROGRAMS.

Abstract

The Air Weather Service, USAF, has a requirement to provide total cloud cover forecasts for the northern hemisphere. Three approaches were made to provide numerical forecasting programs to meet this requirement: (1) A 'Dynamic Cloud Forecasting Model' based upon forecasting the trajectories of air parcels; (2) A '4-layer Cloud Forecasting Model' based upon the forecasting of adiabatic vertical velocities and a statistical correlation between cloud cover and the forecast dewpoint depression; and (3) a 'Multiple-discriminant Analysis' program developed by applying statistical techniques to determine a minimum number of predictors which would most efficiently forecast total cloud cover by statistical methods.

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1965
Accession Number
AD0620439

Entities

People

  • Robert Edward De Michaels

Organizations

  • Saint Louis University

Tags

DTIC Thesaurus Topics

  • Cloud Cover
  • Clouds
  • Computing-Related Activities
  • Data Science
  • Delphi Method
  • Depression
  • Hemispheres
  • Information Science
  • Interdisciplinary Science
  • Mathematical Analysis
  • Mathematics
  • Northern Hemisphere
  • Regression Analysis
  • Statistical Analysis
  • Statistics

Fields of Study

  • Environmental science

Readers

  • Atmospheric Science/Meteorology
  • Computational Modeling and Simulation