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A synoptic climatology of eastern North America with mesoscale resolution

dc.contributor.authorMoran, Michael D., author
dc.contributor.authorWesley, Douglas Alan, author
dc.contributor.authorPielke, Roger A., author
dc.contributor.authorDepartment of Atmospheric Science, Colorado State University, publisher
dc.coverage.spatialEast (U.S.)
dc.coverage.spatialNorth America
dc.coverage.spatialGreat Lakes (North America)
dc.coverage.spatialOhio River Valley
dc.coverage.spatialAppalachian Mountains
dc.coverage.spatialAtlantic Ocean
dc.coverage.spatialPiedmont (U.S. : Region)
dc.coverage.spatialLaurentian Uplands
dc.coverage.temporal1975-1979
dc.date.accessioned2015-11-11T18:34:31Z
dc.date.available2015-11-11T18:34:31Z
dc.date.issued1990-12-11
dc.descriptionDecember 11, 1990.
dc.descriptionIncludes bibliographical references (pages 98-101).
dc.description.abstractA subjective synoptic classification scheme has been used to categorize the dominant daily synoptic weather pattern for each grid square in a 5-square X 7-square grid placed over eastern North America for the five-year period from 1975 to 1979. Seven synoptic categories were used in the classification scheme: (1) warm sector of an extratropical cyclone; (2) region of overrunning north of a warm front; (3) region of cyclonic isobaric curvature behind a cold front; (4) polar anticyclone; (5) subtropical anticyclone or ridge; (6) tropical cyclone; and (7) unclassifiable pattern. The grid extends from 36°N to 48.5°N and from 68°W to 89°W; this area includes much of the Great Lakes region, Ohio Valley, St. Lawrence Valley, central and northern Appalachians, and U.S. northeastern seaboard. One of four surface geostrophic wind-speed classes was also assigned to each grid cell for each of the 1,826 study days. A variety of statistics have been calculated for this climatological data set, including joint frequency tables, category persistence probabilities, and category transition probabilities. A comparison of statistics for different grid squares, rows, or columns reveals mesoscale variations in the synoptic climatology with latitude, longitude, and season. For instance, the seasonal movement of the polar front and its mean position over this region can be identified, as can the northward and westward extent of the Bermuda High. Climatic modifications due to the presence of the Great Lakes and the Appalachian Mountains are also evident in the statistics. This climatology was prepared in order to determine the frequency of occurrence of synoptic conditions which favor the generation of terrain-forced mesoscale circulations such as lake-land breezes and mountain-valley winds, as part of a larger investigation into the impact of mesoscale atmospheric circulations on the long-range transport of air pollutants. However, this climatology can also be applied to such areas as air pollution potential evaluations, wind energy 'prospecting', and environmental impact assessments.
dc.description.sponsorshipResearch supported by the Electric Power Research Institute, Inc., under grant no. RP-1630-53.
dc.format.mediumreports
dc.identifier.urihttp://hdl.handle.net/10217/169966
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relationCatalog record number (MMS ID): 991025938649703361
dc.relationQC852.C6 no.476
dc.relation.ispartofAtmospheric Science Papers (Blue Books)
dc.relation.ispartofAtmospheric science paper, no. 476
dc.rights©1990 by Department of Atmospheric Science, Colorado State University.
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subject.lcshSynoptic climatology -- East (U.S.)
dc.subject.lcshMesometeorology -- East (U.S.)
dc.subject.lcshWeather forecasting -- East (U.S.)
dc.subject.lcshSynoptic climatology -- North America
dc.subject.lcshMesometeorology -- North America
dc.subject.lcshWeather forecasting -- North America
dc.subject.lcshClimatology
dc.titleA synoptic climatology of eastern North America with mesoscale resolution
dc.typeText
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