Windshear detection for aircraft using temperature lapse rate

Details Windshear detection for aircraft using temperature lapse rate Windshear detection for aircraft using temperature lapse rate

1989-09-20

1990-08-07

Orsino, Joseph A.

Communications: electrical

Aircraft alarm or indicating systems

Flight alarm

244181, 340963, 364434, G08B 2300

Patent

active

049471651

ABSTRACT:
An apparatus for measuring the temperature lapse rate of the environment surrounding an aircraft in flight is described. The measured temperature lapse rate is compared with the dry adiabatic temperature lapse rate. If the measured temperature lapse rate is less than the dry adiabatic temperature lapse rate, a cautionary message is issued to the flight crew alerting them of the probability of microburst windshears. In addition, if the cautionary message has been issued and a rapid reversal of the measured temperature lapse rate occurs, a warning message is issued to the flight crew advising them of the probable penetration of a microburst windshear.

REFERENCES:
patent: 3427581 (1969-02-01), Hartman
patent: 3618002 (1971-11-01), Stinson
patent: 3935460 (1976-01-01), Flint
patent: 4282753 (1981-08-01), Davidson
patent: 4318076 (1982-03-01), Whitfield
patent: 4586140 (1986-04-01), Millen
patent: 4589070 (1986-05-01), Kyrazis
patent: 4593285 (1986-06-01), Miller et al.
patent: 4725811 (1988-02-01), Muller et al.
patent: 4728951 (1988-03-01), Johnson et al.
The Crash of Delta Flight 191 at Dallas-Fort Worth International Airport on 2 Aug. 1985: Multiscale Analysis of Weather Conditions, NOAA Technical Report ERL 430-ESG 2, Dec. 1986.

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