Forecasting atmospheric visibility over the summer North Atlantic using the Principal Discriminant Method.

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dc.contributor.advisorRenard, Robert J.
dc.contributor.authorElias, Kristine C.
dc.contributor.corporateNaval Postgraduate School (U.S.)
dc.contributor.departmentMeteorology
dc.contributor.secondreaderPreisendorfer, Rudolph W.
dc.dateMarch 1985
dc.date.accessioned2012-11-27T00:01:30Z
dc.date.available2012-11-27T00:01:30Z
dc.date.issued1985-03
dc.description.abstractThis report describes the application and evaluation of the Principal Discriminant Method (PDM) in the forecasting of horizontal visibility over selected physically homogeneous areas of the North Atlantic Ocean. The main focus of this study is to propose a possible model output statistics (MOS) approach to operationally forecast visibility at the 00-hour model initialization time and the 24-hour and 48-hour model forecast projections, using as data the period 15 May-7 July 1983. The technique utilized involves the manipulation of observed visibility and that Fleet Numerical Oceanography Center's Navy Operational Global Atmospheric Prediction System (NOGAPS) model output parameters. Both two-and three-category visibility models were examined. The resulting zero-and one-class errors as well as the threat scores from the PDM model were compared with those obtained from maximum probability and natural regression studies. For the majority of the experiments performed, PDM was outperformed by the other techniques, although one trial run of an adjusted PDM technique gave results very similar to those of the maximum probability techniques.en_US
dc.description.distributionstatementApproved for public release; distribution is unlimited.
dc.description.serviceLieutenant Commander, United States Navyen_US
dc.description.urihttp://archive.org/details/forecastingtmosp1094521346
dc.identifier.urihttps://hdl.handle.net/10945/21346
dc.language.isoen_US
dc.publisherMonterey, California. Naval Postgraduate Schoolen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.subject.authormodel output statisticsen_US
dc.subject.authorvisibilityen_US
dc.subject.authorNorth Atlantic Ocean visibilityen_US
dc.subject.authormarine visibilityen_US
dc.subject.authorvisibility forecastingen_US
dc.subject.authorprincipal discriminant methoden_US
dc.subject.authorcategorical forecastingen_US
dc.subject.authorocean areasen_US
dc.subject.authorhomogeneous ocean areasen_US
dc.subject.lcshMeteorologyen_US
dc.titleForecasting atmospheric visibility over the summer North Atlantic using the Principal Discriminant Method.en_US
dc.typeThesisen_US
dspace.entity.typePublication
etd.thesisdegree.disciplineMeteorologyen_US
etd.thesisdegree.disciplineOceangraphyen_US
etd.thesisdegree.grantorNaval Postgraduate Schoolen_US
etd.thesisdegree.levelMastersen_US
etd.thesisdegree.nameM.S. in Meteorology and Oceanographyen_US
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