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Accession Number PB2013-105498
Title Mapping Weather Severity Zones.
Publication Date Jul 2011
Media Count 20p
Personal Author J. J. Mewes
Abstract The goals of this project were to develop a methodology to map winter severity from a winter maintenance perspective, and to create electronic maps and associated geospatial data depicting winter weather severity across the country. Work performed under the project examined the advantages and disadvantages of various approaches to mapping winter weather severity. The research team settled on an approach that utilized computer weather prediction model data to define the structure of spatial variations in various aspects of winter weather conditions across the country, and observational data to calibrate these model fields to match actual observed weather conditions. Four significant component measures of winter severity were selected for mapping during the project. These measures included average annual snowfall amounts and average annual duration of each of snowfall, freezing rain, and blowing/drifting snow. The maps were developed following the general approach identified above, although the specific methodologies and datasets used in the development of each map varied. In addition to maps of these component winter severity measures, a composite map illustrating an overall winter severity index was also developed through mathematical combination of the component measure data. Geospatial representations of the data, in the form of ESRI shapefiles, were also developed and provided for each of the component datasets as well as the overall winter severity index.
Keywords Calibration
Geospatial data
Highway maintenance
Spatial variations
Traffic safety
Weather conditions
Weather forecasting
Winter operations

Source Agency Department of Transportation
NTIS Subject Category 50A - Highway Engineering
55C - Meteorological Data Collection, Analysis, & Weather Forecast
85H - Road Transportation
43G - Transportation
Corporate Author Meridian Environmental Technology, Inc., Grand Forks, ND.
Document Type Technical report
Title Note Final rept.
NTIS Issue Number 1313
Contract Number N/A

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