ERRORS IN SIX AND TWELVE HOUR PREDICTIONS OF UPPER LEVEL WINDS
Abstract
REVEALS THAT SUBJECTIVE FORECASTS ARE LINEARLY RELATED TO THE WIND AT THE BEGINNING OF THE FORECAST INTERVAL. THIS RELATIONSHIP ENABLES THE DEVELOPMENT OF A REGRESSION EQUATION BETWEEN FORECAST ERROR AND PERSISTENCE ERROR MAKING IT POSSIBLE TO EXTEND THE RESULTS DERIVED FROM THIS SAMPLE. THE VARIATION OF FORECAST AND PERSISTENCE ERRORS WITH GEOGRAPHY, LEVEL AND SEASON IS DISCUSSED. THE MAXIMUM ADVANTAGE OF SUBJECTIVE FORECASTS OVER PERSISTENCE IS 10( FOR 6-HR PERIODS AND 20( FOR 12-HR PERIODS
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1962
- Accession Number
- AD0285796
Entities
People
- E. M. Darling Jr
Organizations
- Air Force Cambridge Research Laboratories