ACARS

Aeronautical Radio Inc. (ARINC) Communications and Reporting System

AFSS

Automated Flight Service Station

ARTCC

Air Route Traffic Control Center

ASOS

Automated Surface Observing System

AWOS

Automated Weather Observing System

COMET

Cooperative Program for Operational Meteorological Training

CWSU

Center Weather Service Unit

DoD

Department of Defense

DUATS

Direct User Access Terminal Service

FAA

Federal Aviation Administration

FAR

Federal Aviation Regulation

FSL

Forecast Systems Laboratory

FSS

Flight Service Station

GAO

General Accounting Office

IFR

Instrument Flight Rules

MDCRS

Meteorological Data Collection and Reporting System

MIT

Massachusetts Institute of Technology

NASA

National Aeronautics and Space Administration

NCAR

National Center for Atmospheric Research

NOAA

National Oceanic and Atmospheric Administration

NTSB

National Transportation Safety Board

NWS

National Weather Service

OFCM

Office of the Federal Coordinator for Meteorology

OMB

Office of Management and Budget

PDT

Prospectus Development Team

RE&D

Research, Engineering and Development

RVR

Runway Visual Range

TDWR

Terminal Doppler Weather Radar

TRACON

Terminal Radar Approach Control

USWRP

U.S. Weather Research Program

VFR

Visual Flight Rules