Accession Number:

ADA123876

Title:

FAA Weather Surveillance Requirements in the Context on NEXRAD.

Descriptive Note:

Project rept.,

Corporate Author:

MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB

Personal Author(s):

Report Date:

1982-11-19

Pagination or Media Count:

184.0

Abstract:

The Federal Aviation Administration FAA, National Weather Service and Air Force Weather Service are currently engaged in a program to develop a next generation of weather radars NEXRAD capable of satisfying to the greatest extent possible the common weather information needs of these agencies. This report identifies the unique FAA weather radar surveillance requirements and examines the technical issues that arise in attempting to meet these requirements with the NEXRAD strawman radar sensors and siting. Current air traffic control ATC weather data usage and statistics of aviation weather hazards and system efficiency are used to prioritize products needed for ATC. The strawman NEXRAD capability is then reviewed in the context of the identified weather products and factors such as 1 effects of front end noise and weather return statistics, 2 resolution and low altitude coverage constraints, 3 the clutter environment associated with various siting options, and 4 data quality required for real time automated display of hazardous weather regions to ATC controllers. It is concluded that significant problems will arise in attempting to simultaneously provide terminal and en route weather surveillance by a single radar as envisioned in the NEXRAD strawman. An analyticalexperimental research and development program is described to resolve the identified technical uncertainties in the NEXRAD strawman design for FAA applications.

Subject Categories:

  • Terminal Flight Facilities
  • Atmospheric Physics
  • Active and Passive Radar Detection and Equipment
  • Non-Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE