Short-term forecasting of airport surface visibility using radar and ASOS

Michael Dixon, Roy M. Rasmussen, Scott Landolt

Research output: AbstractPaperpeer-review

3 Scopus citations

Abstract

Surface visibility is important for airport operations, since it affects the VFR/IFR status and category. This study demonstrates a method of making short-term visibility forecasts using an approach similar to that employed in the Weather Support to Deicing Decision Making (WSDDM) snow rate forecast. The ASOS installations at each major airport include sensors which measure visibility. This study uses those visibility measurements, along with radar observations and other ASOS data, to determine a relationship between radar reflectivity and visibility during snow conditions. This relationship is used together with an extrapolation forecast of radar reflectivity to determine forecast visibility during snow conditions out to one hour. The paper will present an evaluation of the technique at airports in the New York area.

Original languageEnglish
Pages605-618
Number of pages14
StatePublished - 2004
Event11th Conference on Aviation, Range, and Aerospace Meterology - Hyannis, MA, United States
Duration: Oct 4 2004Oct 8 2004

Conference

Conference11th Conference on Aviation, Range, and Aerospace Meterology
Country/TerritoryUnited States
CityHyannis, MA
Period10/4/0410/8/04

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