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Author: Wilbur H. Paulsen Publisher: ISBN: Category : Backscattering Languages : en Pages : 20
Book Description
A review is made of the assumptions that must be made in using a weather radar set for quantitative measurements of weather echoes. A simplified derivation is provided showing the relationship between the purely meteorological 'radar reflectivity factor' Z and the radar received power for any weather radar set when the assumptions are fulfilled. A nomogram furnished for use with the AN/FPS-77 enables a simple conversion of receiver power to Z values. (Author).
Author: Wilbur H. Paulsen Publisher: ISBN: Category : Backscattering Languages : en Pages : 20
Book Description
A review is made of the assumptions that must be made in using a weather radar set for quantitative measurements of weather echoes. A simplified derivation is provided showing the relationship between the purely meteorological 'radar reflectivity factor' Z and the radar received power for any weather radar set when the assumptions are fulfilled. A nomogram furnished for use with the AN/FPS-77 enables a simple conversion of receiver power to Z values. (Author).
Author: Wilbur H. Paulsen Publisher: ISBN: Category : Backscattering Languages : en Pages : 0
Book Description
A review is made of the assumptions that must be made in using a weather radar set for quantitative measurements of weather echoes. A simplified derivation is provided showing the relationship between the purely meteorological 'radar reflectivity factor' Z and the radar received power for any weather radar set when the assumptions are fulfilled. A nomogram furnished for use with the AN/FPS-77 enables a simple conversion of receiver power to Z values. (Author)
Author: Charles Melson Publisher: ISBN: Category : Languages : en Pages : 21
Book Description
The note discusses the AN/FPS-77 weather radar, its scopes, controls, and the radar operating procedures used at Hahn AB, Germany. The RAMET code is considered as well as the use of scope photography. The purpose of the note is to inform using agencies of the uses and limitations of the information received from a radar station. (Author).
Author: H. Stuart Muench Publisher: ISBN: Category : Mesometeorology Languages : en Pages : 40
Book Description
Field experiments were conducted with the AFGL Mesonet and FPS-77 digital radar during snowstorms for evaluation of the use of radar to observe and predict snow. Simultaneous measurements of optical extinction coefficient, radar reflectivity, and snow depth were made, together with determinations of visual range. The measurements verify both the calibration of the visibility instruments and the relationship between visual range and extinction coefficient. A relationship found between extinction coefficient and snowfall rate compares well with relationships found by other investigators. Radar reflectivity is found to be related to extinction coefficient, with the correlation being improved by time averaging and by allowance for velocity of snowflakes from the radar beam to the ground. However, the specification errors are of the order of + or - 42 percent to + or - 65 percent, and with the small spatial and temporal variability of extinction coefficient in snow, the radar is of marginal use where observations are available from the airways network. (Author).
Author: Wilbur H. Paulsen
Author: Wilbur H. Paulsen
Author: Wilbur H. Paulsen
Author: Charles Melson
Author: United States. Air Weather Service
Author: 
Author: James I. Metcalf
Author: 
Author: 
Author: H. Stuart Muench
Author: United States. Superintendent of Documents