Automated Weather Observing System Awos Cloud Algorithm Study
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Automated Weather Observing System (AWOS) Cloud Algorithm Study
Author: Federal Aviation Administration Technical Center (U.S.)
language: en
Publisher:
Release Date: 1985
The Federal Plan for Meteorological Services and Supporting Research
Author: United States. Office of Federal Coordinator for Meteorological Services and Supporting Research
language: en
Publisher:
Release Date: 1993
An Automated Cloud Observation System (ACOS)
Analysis of cloud base height data collected during a seven-month period from a three Rotating Beam Ceilometer (RBC) network on Otis AFB, Massachusetts, demonstrated the accuracy of an automated cloud observation system. The high degree of correspondence between the automated and human observations of cloud height, low cloud amount, multiple cloud layers, and ceiling confirms the accuracy of the hierarchical clustering technique when applied to a network of RBC's confined to the immediate environs of an airfield. Tests demonstrated only slight improvements in automated cloud observation are realized by incorporating additional information from a second and third RBC on or near an airfield.