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Thesis - University Access Only
Master of Science (MS)
Mathematics and Statistics
The Climate Prediction Center (CPC) issues seasonal 30-60-90 day forecasts in the United States and are used for planning purposes on a nation-wide scale. Categorical forecasting using the concept of equal chance (EC) determines whether a forecast is above normal (A) or below normal (B) for future monthly outlooks. CPC forecasting is too broad in scope for local forecasting systems. Thus, the need for more effective small scale local forecasting is the subject of this analysis. The purpose of this study is to predict and compare a neural and analog network model relative to the CPC seasonal forecasts. The tools generated from the model are referenced against historical sixty-year half standard deviation values to determine categorical forecasts. The results are paired with actual observed categorical forecasts to populate a 3x3 contingency table for each climate division in the study. Measures of the skill of forecasting are initially measured using the Heidke skill score. Furthermore, due to the ordinal nature of the forecast variables, the marginal probability scores are weighted giving penalties to forecasts that are farther away from the actual observed values to test the validity of the prediction measures.
Library of Congress Subject Headings
Long-range weather forecasting
Long-range weather forecasting -- South Dakota
Neural networks (Computer science)
Includes bibliographic references (pages 44-45)
Number of Pages
South Dakota State University
In Copyright - Non-Commercial Use Permitted
Robertson, Joseph Carver, "A Comparative Verfication Study of Seasonal Outlooks Using Neural Networking and Historical Analog Strength Tools in South Dakota and Neighboring Climate Divisions" (2014). Electronic Theses and Dissertations. 2078.