Downdraft velocity estimator for a microburst precursor detectio

Details Downdraft velocity estimator for a microburst precursor detectio Downdraft velocity estimator for a microburst precursor detectio

1991-12-18

1992-12-29

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

Radar for meteorological use

G01S 1395

Patent

active

051755513

ABSTRACT:
A weather surveillance apparatus utilizes a set of beams in an elevation angular sector, one beam being offset from the other by a predetermined offset angle. Radar signal returns in each beam are processed to establish an average doppler frequency shift for the signals in the respective beams. An average of the averages and a difference of the averages are determined which are utilized to establish horizontal and vertical wind velocities. These velocities are further processed to determine whether a microburst precursor exists and the location, magnitude, time to impact, and track of any resulting windshear.

REFERENCES:
patent: Re33152 (1990-01-01), Atlas
patent: 4965573 (1990-10-01), Gallagher et al.
patent: 5077558 (1991-12-01), Kuntman
patent: 5093662 (1992-03-01), Weber

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